amazon product statistics

As an illustration, look at the success and growth of the Amazon Prime subscription. 70% of Americans with incomes of $150,000 or more who shop online have Amazon Prime memberships. (Digital Commerce 360, 2020), During the fourth quarter of 2020, 67% of people planned to make a purchase on Amazon Prime Day. Hallo Lieferadresse wählen Alle Hallo, Anmelden. This dataset consists of reviews from amazon. They run a marketplace on all of their websites allowing third-party sellers to sell products, totaling to 50% of total sales. Started as just an online book store, Amazon is now one of the global leaders in eCommerce. 9 out of 10 consumer price check a product on Amazon. From reading these statistics, it is clear that Amazon is a monopoly and must be forcibly broken up into a number of smaller companies. Kats, R. (2020, March 1). (Verto, 2020), 63.5% of Amazon traffic comes from the U.S. (Amazon, 2021), Amazon usage statistics have shown that, in December 2020, Amazon had close to 3.1 billion desktop and mobile visits. It is followed by Walmart (5.3%) and eBay (4.7%). 15 Amazon Statistics You Need to Know in 2021. Amazon sales comprised 36.9% of all U.S. e-commerce sales during this year. (RetailMeNot, 2020), On the first day of Prime Day, Amazon saw a lift of 700% in units sold. The Prime subscription program is a supreme example of Amazon’s innovation prowess. But if you go broader and look at all the items that Marketplace sellers list, that number expands to about 350 million. Professional Services Automation Software - PSA, Project Portfolio Management Software - PPM, 74 Amazon Statistics You Must Know: 2020/2021 Market Share Analysis & Data, Third-Party Seller and Fulfillment By Amazon Statistics, rise of personalized products in eCommerce, increased income from the third-party seller services, Amazon saw a boost in revenue of 35% in the first three quarters of 2020. (Feedvisor, 2019), Statistics show that 65% of all Amazon customers are Amazon Prime Members, which translates to about 72.8 million Prime members. (Feedvisor, 2019), Amazon statistics show that in Q3 2020 alone, the firm gained $6.58 billion in revenue from the subscription services category. The 2019 Amazon Consumer Behavior Report. (Feedvisor, 2019), Also, according to Amazon Prime members statistics, the following are the favorite Prime subscription benefits. Amazon is the largest online retailer in the world. (Digital Commerce 360, 2020), In 2020, Amazon ranked as the top U.S. company in retail ecommerce sales, capturing 38.7% of the market. According to Amazon’s reports, there were 200,000 sellers worldwide with over $100,000 in sales in 2018 which increased by 12% to 225,000 in 2019. Actually, Amazon reports have shown that many customers start their product search and price comparison on the Amazon website. Malen, G. (2020, October 19). Above that other offers in other conditions are listed. (JungleScout, 2020), In 2020, there were 53.9 million Amazon Echo shipments around the world. As a result, the firm has maintained a constant upward trajectory, reaching heights never before imagined. Prime Day 2020: Crowning the Winners of Amazon’s Biggest Shopping Event in History. (Feedvisor, 2019), The top product category for Amazon sellers is home and kitchen, which accounts for 45% of products listed on the platform. What is the Best Amazon Seller Scanner App? He, A. Amazon’s Move to One-Day Shipping Propels Sales. Consequently, the global giant has delivered remarkable solutions like Alexa and Echo devices. One of the biggest changes in shopping behaviour is the home improvement industry. All B2B Directory Rights Reserved. It’s a lot of competition, yes, but it’s also a lot of visibility and sales. RepricerExpress will show you the top Amazon statistics you should know about so you can use them to your advantage and excel at sales. Klebnikov, S. (2020, July 23). Try free for 14 days, no credit card needed. Canalys (2020, October 29). Clearly, owing to Amazon’s monstrous market size, the going is tough for competitors. Top cloud trends for 2021: Forrester predicts spike in cloud-native tech, public cloud, and more. There would be a light blue shaded background “Amazon Product Summary” rectangular box at the top of the page and at the right side of that box, at the bottom it shows “Amazon Sales Rank”. $1.4K is the average spent by Amazon Prime members each year. (eMarketer, 2020), Better still, 55% of U.S. consumers are current Amazon Prime members, 15% are former Prime members, and 31% are not Amazon Prime members. Clearly, with its extensive reach, selling on Amazon is an irresistible opportunity. As it stands, the retail behemoth controls the most significant eCommerce market share. If you’re looking for a massive boost in sales, Prime Day is the one to circle on your calendar. Millennials might get a bad rap in some areas, but not when it comes to using Amazon. The Most Interesting Amazon Statistics This Year [Infographic] If you want to skip straight to the infographic, click here. Customers don’t just flock to the platform for the products, but also Amazon’s stellar services. Chiefly, Amazon is a reliable resource that has evolved to become an integral component of customers’ broader shopping mindset. (Digital Commerce 360, 2020), In the U.S., electronics was the most purchased product category on Amazon Prime Day at 32%, followed by household essentials (22%), health and beauty (21%), and toys and video games (21%). Amazon Prime Day 2020. Levin, M. & Lowitz, J. The best product-research tool and in-depth Amazon education included in this option . This might be an extra incentive to fulfil with Amazon, or at least make your items Prime-eligible. (Amazon, 2020), Prime Day 2020 was a record-breaker for the third-party seller as they exceeded $3.5 billion in sales. Amazon is live in the US, UK, Canada, Germany, France, Italy, Spain, Japan, India, China, and Mexico. Annual net revenue of Amazon from 2004 to 2020. This is a significant increase from 2.909 billion visits registered since November 2020. On the contrary, 10% of consumers go to search engines, brand websites (5%), retailer websites (4%), and social media (1% ). Quality (23%) comes second followed by reviews (12%) and shipping (1%). Register a free business account; Editorial Reviews Review "Gonick is so consistently witty and clever that the reader is barely aware of being given a thorough grounding."" (jumpshot) Amazon is releasing the Amazon Marketplace Appstore in 2019 to help sellers optimize and automize their store. RetailMeNot (2020, September 28). (BuiltWith, 2021), AWS is one of the biggest revenue generators for Amazon. It signifies Amazon’s relentless endeavor to extend its reach and command all facets of the customer purchase journey. A growing number of sellers on Amazon marketplace are based in … Jeff Bezos founded Amazon in 1994 out of his garage in Seattle and fast-forward 24 years, in 2018 Amazon made $230 billion in revenue. (Feedvisor, 2019), Besides, 89% of U.S. consumers are more likely to buy a product from Amazon than other online stores. Learn about the product detail page including how to list items and create variations. According to Statista, Amazon was responsible for 45% of US ecommerce spending in 2019 — a figure which is expected to rise to 47% in 2020. US Amazon Prime Members – Slow, Steady Growth. Amazon continues to shock sellers and shoppers alike by its ever-growing statistics. (JungleScout, 2020), There is no doubt, Amazon’s market size will continue to grow. Marketplace Pulse (2021, April 5). This number does not factor in households with multiple Prime memberships. (RepricerExpress, 2021), The Amazon product category with the most number of global keywords is electronics (70 keywords) followed by home (12), media (7), miscellaneous (6), clothing (4), and food (1). Over the last couple of years, online retail culture has evolved rapidly, and eCommerce dominance has continued to grow. SUMO Heavy (2019). Secondly, its ability to stay at the forefront of the shifting trends has made it easy to deliver on the expectations of customers. The program is a no-brainer for its free shipping. eBay. In 2015, the split was 54/46 in favor of Google. What are the main differences among Amazon product categories? They are ages 18 to 80+, as well as all genders and levels of education. The company has formulated an extensive moat for itself, and its dominance in the eCommerce arena is far from waning. Notably, having these stats at your fingertips will help you to not only run targeted marketing campaigns but also make smarter decisions and keep pace with global eCommerce titans. However, with innovations such as Alexa and Amazon Prime Air, Amazon remains an incredible option for many vendors. However, these applications have had a hand in the process as statistics have revealed. For example, cookware, puzzles, kids’ games, home exercise equipment, and home office products have appealed to the families and workers stuck at home and looking to cook more, entertain their kids, etc. (2020, September 29). The State of the Amazon Seller 2020. Who Shops on Amazon. In August 2013, Amazon was down for 40 minutes. Seit November 2017 steht Konsumenten in Deutschland der Dienst Amazon Prime zur Verfügung. DigitalCommerce 360 (2019, July 11). That said, you must strategize proactively and borrow a leaf from the Amazon market model. (eMarketer, 2020), Also, 93% of Amazon Prime members renew their membership after one year. When consumers do that, it’s because they’re looking for the best all-around package of price, customer service and shipping speed. In recent years, the company has seen a monumental shift, driving the online retail industry to incredible heights. (Statista) Amazon has over 100 million Amazon Prime members. LIGHT. Amazon Prime is an exciting membership service that gives subscribers free two-day shipping. (Amazon, 2021), Around 94% of Amazon sellers use Fulfillment by Amazon or FBA. Besides, the affiliate program has been a reliable income generator for Amazon. Amazon surpassed Google in product searches. By 2021, Amazon is projected to reach 39.7% in market share or $302.36 billion in U.S retail e-commerce sales (eMarketer, 2020). More importantly, they provide an in-depth look into customer experiences with the Amazon platform. Find helpful customer reviews and review ratings for Statistics for Absolute Beginners (Second Edition) at Amazon.com. 89 percent of buyers agree that they are more likely to buy products from Amazon than other ecommerce sites (Feedvisor, 2019). Amazon’s product count stands at 353 million products in its entirety. Fulfilment by Amazon (FBA) is an Amazon solution that helps you reach more customers with benefits like fast Prime delivery and easier selling across Europe.Increased customer reach generally means more sales. Amazon FBA vs FBM Comparison Guide. The rest were Alibaba (59%), Microsoft Azure (47%), and Google Cloud (43%). eine Übersicht zu den Bestsellern und Neuerscheinungen, sowie Aufsteiger des Tages usw. On the other hand, 32% trust search engines like Google, 25% rely on a retailer website, 11% of consumers go to other marketplaces, whereas 7% trust social media channels. The shopping holiday is reminiscent of Cyber Monday or Black Friday. On the other hand, 63% compared prices on Walmart, 50% discovered new products or brands on Google, and 50% search for inspiration on Instagram. Conçu par Amazon pour protéger et s'adapter parfaitement à votre Fire 7 (compatible uniquement avec les appareils de 9ème génération, modèle 2019. (Amazon, 2020), Besides, in the most recent years, Amazon has recorded steady growth in net revenue. The growth rate was the same for Q2 2020. The Amazon case study is an open book to brands and retailers, and there is plenty to learn from the growth of this lucrative firm. Amazon reports revenues as per the following product groups: Online stores, Physical stores, Third-party seller services, Subscription services, AWS, Other. With top brands like AOL, Reddit, Netflix, and Pinterest now running on the Amazon Web Services (AWS), the future looks bright for Amazon cloud services. Since its inception, Amazon Prime Day has maintained an upward trend. Amazon is, without a doubt, the trailblazer of the eCommerce industry. Check out these 10 unbelievable Amazon stats. Delfino, D. (2020, February 7). Heutzutage verwenden Unternehmen alles Mögliche, von einfachen Tabellenblättern bis hin zu komplexer Software zur Finanzplanung, um präzise Prognosen zu zukünftigen Unternehmensergebnissen zu stellen, wie z. RetailMeNot Confirms Holiday Season Will Start Earlier and See More Online Shopping Than Ever Before. This dataset includes reviews (ratings, text, helpfulness votes), product metadata (descriptions, category information, price, brand, and image features), and links (also viewed/also bought graphs). Net product sales—revenue from merchandise Amazon owned and sold to consumers—of $215.92 billion, up 34.6% from $160.41 billion in 2019. You will immediately see the product’s sales volume, rank, price history, competition, and other statistics that let you know if this product can bring profit. For those without a Prime membership, they tend to spend a little less freely than their Prime counterparts. Amazon Statistiken und wichtigste Handelsplattform - In: News, ... Recht schnell wurden aber auch andere Produkte in die Verkaufspalette aufgenommen, und mittlerweile dominiert Amazon nicht nur den deutschen Online-Handel sondern gehört weltweit zu den führenden Unternehmen in diesem Bereich. Paid Units Growth. Amazon owns more than 90% market share in 5 product categories; It’s clear, then. Amazon Maintains Convincing Lead in US Smart Speaker Market. FBA gives sellers a 30-50% increase in sales. Better still, with a big chunk of the top sellers on Amazon using the FBA service, one thing is evident. Amazon product statistics indicate that those who subscribe to this program tend to spend a lot more. Consequently, you’ll use the insights to create befitting innovations to connect with your loyal customers and high-value prospects. The company has distinctively managed to stay abreast of changes in the eCommerce industry, bulldozing its way to the crest. Even worse, things are poised to get tougher because of the rise of personalized products in eCommerce pioneered by Amazon. Percentage of paid units sold by third-party sellers on Amazon platform as of 4th quarter 2020. Konto und Listen Konto Warenrücksendungen und Bestellungen. Target Cracks Top 10 US Ecommerce Ranking. Cloud Market Growth Rate Nudges Up as Amazon and Microsoft Solidify Leadership. Clearly, the Amazon associates program and the FBA provide insights into Amazon’s growing dominance. This is because unlike Black Friday and Cyber Monday, which are enjoyed across all divides in the eCommerce world, Prime Day is exclusively meant for Amazon users. On account of convenience, the FBA has been a revelation that saves time and money. 15 Amazon Statistics You Need to Know in 2021, 5 Most Profitable Product Categories for Amazon FBA Sellers, How to Sell on Amazon for Beginners in 2021 (Ultimate Guide). (Amazon, 2020), 54% of Amazon sellers have jobs outside of their Amazon business. The following statistics offer a window into the needs, wants, and behavior of today’s customers. Amazon.de Bestseller: Die beliebtesten Artikel auf Amazon. Learn to sell with the detailed video course. Prime membership will give you a bigger incentive to keep buying things, which can trigger a spiraling shopping addiction. A senior FinancesOnline writer on SaaS and B2B topics, James Anthony passion is keeping abreast of the industry’s cutting-edge practices (other than writing personal blog posts on why Firefly needs to be renewed). There is no doubt Amazon provides an established customer base, but for increased acquisition, you should advertise strategically, implementing new technologies, and price more dynamically. This guest post is by Erik Mathes, former Content Marketing Manager at Informed.co. Most popular online marketplaces worldwide in 2019, based on gross merchandise value. Im Millward-Brown-Ranking 2020 der 100 wertvollsten Marken lag Amazon mit einem Markenwert von rund 415,9 Milliarden US-Dollar auf dem ersten Platz. Here’s what you should know about the latest Amazon statistics and facts for 2021.. Amazon averages more than 200 million unique visitors per month. Amazon sells more than 12 million products. Amazon (2020, October 29). They outpace Baby Boomers by a ratio of two to one for using Amazon as a shopping tool. He has written extensively on these two subjects, being a firm believer in SaaS to PaaS migration and how this inevitable transition would impact economies of scale. And in that short time-span, they had almost $5 million in lost sales ($15.7 billion in the previous quarter for an average of $120,000 each minute). Even better, the amount of traffic recorded by Amazon gives you access to a significant pool of established customers. The data was collected by crawling Amazon website and contains product metadata and review information about 548,552 different products (Books, music CDs, DVDs and VHS video tapes). There are over 5 million marketplace sellers across all Amazon marketplaces. (RepricerExpress, 2021), Factoring in the Amazon Marketplace, there are 353 million products available on Amazon. Try now. (CivicScience, 2019), More importantly, before making a purchase, 82% of consumers check prices from Amazon. --Discover" From the Back Cover. It has delivered the killer blow to the traditional Cyber Mondays and Black Fridays. IO for Amazon is a product research tool that works as a Chrome extension. Over the years, Amazon has expanded its product portfolio from books to absolutely everything and its no surprise that almost half the products sold on Amazon are Books (44.2M).. Electronics is the second largest category in Amazon with 10.1M products listed. It had 150.6 million mobile users accessing the Amazon app in September 2019 (Statista, 2019). But that’s not all. Amazon’s net revenue increased by over $47 billion year-on-year, from $232.9 billion in 2018 to $280.5 billion in 2019. Lipsman, A. Total number of smart home devices that are compatible with Amazon’s Alexa as of July 2020. The company generated most of its revenue from online sales of electronics and other products on the Amazon marketplace. In recent years, Amazon has made gigantic strides to become only the second $1 trillion business, after Apple. However, less than 10% of active sellers were able to generate over $100,000 in annual sales. Amazon itself has an inventory of about 12 million items across all its categories and services. The idea here is a dataset is more than a toy - real business data on a reasonable scale - but can be trained in minutes on a modest laptop. This also includes Amazon market sellers products. Visit the website… 5. Amazon Statistics 2021 (Revenue, History, Growth & More!) In a nutshell, the statistics show that Amazon’s dominance is not waning anytime soon. There are more than 300 million active users on Amazon.com; Of all of the shoppers online, about half of these consumers turn to Amazon to search for a product. Amazon makes 50 cents on every dollar spent online in the U.S. Is that too much market dominance? ‘Does Amazon ship internationally?’: Yes, it does — here’s how to navigate and use Amazon international shipping. Kroger had the highest percent change in PC share of sessions at 65%, followed by Target (56%), Amazon (15%), and Walmart (11%). And in an hour, that averages more than $17 million. Having generated $26 billion in revenue in 2018 alone, AWS is proving to be yet another dominant force unleashed by Amazon. (Amazon, 2020), Furthermore, statistics show that in Q3 2020, AWS registered a 29% year-on-year growth in net sales. Summary: Amazon Statistics. It also offers the most extensive product catalog (at 353 million products) and has an enormous market value of $993 billion. General Amazon statistics; Amazon Prime statistics; Amazon seller statistics. These figures will make you intimately familiar with Amazon and illuminate your path to success. See a variety of other datasets for recommender systems research on our lab's dataset webpage. Description. More than both Black Friday and Cyber Monday. (Statista, 2021), Moreover, as of 2020, Amazon controlled 69.7% of the U.S. smart speaker market. Top Amazon Product Categories. (Marketplace Pulse, 2021), Interestingly, 6,264 sellers join the eCommerce giant every day. Profit margins can vary wildly depending on how much products cost you to source and how much you can sell them for (less cost of doing business — see more on fees here). Adobe (2019, May 15). Our Amazon Product Database with over 35 million products and counting is the best place for you to kick off product research. Content . Reviews include product and user information, ratings, and a plaintext review. Of those that click on an Amazon ad on the internet, Google contributes 76%, Facebook (49%), Instagram (21%), Twitter (14%), Pinterest (12%), and Snapchat (7%). The combined visits to Amazon.com from both mobile and desktop devices from February 2018 to January 2019 were 2.63 billion. On the other hand, a whopping 89% of U.S. consumers visit Amazon at least once a month. But if you go broader and look at all the items that Marketplace sellers list, that number expands to about 350 million. Currently, the retailer ships products to more than 100 countries outside the United States. With that said, getting down to the nitty-gritty of Amazon can be a high starting point. This legendary Amazon product research tool is often called the most accurate tool, by Amazon sellers. Note: this dataset contains potential duplicates, due to products whose reviews Amazon merges. (Amazon, 2020), AWS accounted for 33% of enterprise spending on cloud infrastructure services, followed by Microsoft (18%). EU Office: Grojecka 70/13 Warsaw, 02-359 Poland, US Office: 120 St James Ave Floor 6, Boston, MA 02116. Ne convient pas aux appareils de générations précédentes). While these types of products might not surprise you, other product categories have also seen spikes in interest during this pandemic, and savvy Amazon sellers follow and react to that demand. Consumers purchased over 100 million products on Prime Day 2018. : See our updated (2018) version of the Amazon data here New! Dalton, R., Szahun, T., Curran, K., & Lavin, M. (2021). Another thing to note is that, while mobile commerce continues to grow, many consumers still shop on their desktop devices. (jumpshot) Amazon generated $22.9 billion in third-party service revenues. Amazon Product Groups Revenue 2018. Net services sales of $170.42 billion, an increase of 41.9% from $120.11 a year earlier. This dataset consists of a few million Amazon customer reviews (input text) and star ratings (output labels) for learning how to train fastText for sentiment analysis. Ang, C. (2020, October 12). Speaking to the rest of the points, most of the customers are quite happy with the service on Amazon, and also they are truly spoiled for choice. What’s intriguing is that Amazon Prime has quashed one of the most prevalent eCommerce challenges, shipping, besides its other inimitable benefits. Sellers want to assure themselves of a steady income, so they’re diversifying on other platforms and not putting all their eggs in one Amazon basket. Amazon product data. there are 9.6 million sellers (including inactive sellers) using the platform. (MarketWatch, 2019), 34% of current Prime members always buy Prime-eligible products, whereas 53% frequently buy Prime-eligible products. Please note, that FinancesOnline lists all vendors, we’re not limited only to the ones that pay us, and all software providers have an equal opportunity to get featured in our rankings and comparisons, win awards, gather user reviews, all in our effort to give you reliable advice that will enable you to make well-informed purchase decisions. They make up close to two-thirds of Amazon’s total US audience. The service has caught the attention of many consumers, and its popularity is set to continue to snowball. In den Amazon-Bestsellern finden Kunden die Produkte, die aktuell am meisten auf Amazon verkauft werden. See full report for more details. Stay on topic. Another one of Amazon’s ingenious creations is Prime Day. Projected retail e-commerce GMV share of Amazon in the United States from 2016 to 2021. Design fin avec support intégré afin que vous puissiez profiter de votre contenu les mains libres. This dataset contains product reviews and metadata from Amazon, including 142.8 million reviews spanning May 1996 - July … US ecommerce grows 44.0% in 2020. Primarily, it has enabled sellers to deliver remarkable customer experience savored by Amazon users. (Jeff Bezos in a letter to shareholders) Other sources estimate that there are over 95 million Amazon Prime members in the United States. Amazon CloudFront is massively scaled and globally distributed. 1. eMarketer (2020, February 28). Protalinski, E. (2020, October 29). Amazon is live in the US, UK, Canada, Germany, France, Italy, Spain, Japan, India, China, and Mexico. Digital Commerce 360 (2021, January 29). 2% of Echo owners have purchased a product via Alexa. Amazon Remains the Undisputed No. Amazon PPC is an auction, so the price you pay is just a penny more than what the next highest bidder is willing to pay for that keyword. Buchholz, K. (2021, January 15). yearly. Read honest and unbiased product reviews from our users. Besides, it provides numerous perks such as access to exclusive deals on Prime Day, access to Prime Video, and a collection of other benefits. On the one hand, 74% buy a product online at least every few weeks. Studying these statistics will help you understand online consumers’ needs. This is followed by Google Assistant (62%), Siri (39%), Cortana (30%), Bixby (16%), and other smart speakers (1%). Although some 50 million Amazon Echos have been sold since they were released in 2015, they’re not yet being widely used for purchases. Copyright © 2021 FinancesOnline. (Adobe, 2019), By the end of Q3 2020, Amazon Web Services (AWS) controlled 32% of the global cloud infrastructure services market. The increased income from the third-party seller services doesn’t tell the whole story. This shopping holiday was first held on July 15, 2015, in celebration of Amazon’s 20th anniversary. Net services sales of $170.42 billion, an increase of 41.9% from $120.11 a year earlier. Each minute, those sales amount to $283,000. (The Philadelphia Inquirer, 2019), As of January 2021, Amazon ranked 9th in global internet traffic engagement. (Loup Ventures, 2019), Also, Amazon Alexa is available on more than 100,000 devices. The Resellers Guide to FBA: February 2021, 8 Ways to Improve Your Ecommerce Customer Service in 2021. The average CPC on Amazon Ads is … (2021, January 6). Amazon Prime has 126 million members in the US. Before, buyers would head to their local hardware store and have a pro help them pick out products in person, but Amazon’s 1.1 million home improvement items display a clear shift away from offline shopping in that area. Find elusive niches and products with the best sales, highly profitable and low competition. Find helpful customer reviews and review ratings for Statistics at Amazon.com. One of the top ways you can stay competitive on Amazon is by aggressively pricing your products to compete with other sellers. (Feedvisor, 2019), Also, Amazon has a large market share across different categories. There you have it, our comprehensive compilation of Amazon statistics. Even with the postponement of Prime Day to October in 2020, Amazon still amassed record sales for its products, cloud services, and even ramped up hiring in the midst of the COVID-19 pandemic. She’s also steadily improving her English language skills at an astronomical rate each year, registering a 25% leap in just the last year. Die Listen werden auf Basis von Bestellungen generiert und stündlich aktualisiert . Amazon Usage Statistics. (Canalys, 2020), As of January 2021, AWS is used in over 16 million websites around the world. (Visual Capitalist, 2020), Getting down to the finer details, electronics (44%) are the most frequently bought product on Amazon. (If you’ve been thinking about dialing the Amazon Prime number and becoming a member to save a few bucks, you might want to reconsider.)
amazon product statistics 2021