The Bureau of Census has a section called E-Stats that provide data on the broad categories of products and services sold on the Internet. However, their data is not that new and their latest is 2004 (they do have quarterly data, but these are too general and not product specific)
If you want the more recent numbers including sales of each top ecommerce sites such as Amazon.com to Dell.com to Bluefly.com, you buy the Internet Retailer’s Top 500 report
the best thing is to use the search engine and search for the product you are interested in. eBay is a good site to check out.
The Bureau of Census has a section called E-Stats that provide data on the broad categories of products and services sold on the Internet. However, their data is not that new and their latest is 2004 (they do have quarterly data, but these are too general and not product specific)
If you want the more recent numbers including sales of each top ecommerce sites such as Amazon.com to Dell.com to Bluefly.com, you buy the Internet Retailer’s Top 500 report