NEW YORK ( TheStreet) -- Amazon (AMZN) - Get Report is famously known as the "Everything Store," and it certainly runs the gamut, offering products you haven't even heard of. This breadth of categories is part of the reason Amazon generates almost $89 billion in annual sales and is a clear leader in e-commerce.

Every month, Cowen and Company surveys 2,500 U.S. consumers to learn what people are buying online. In February, Amazon was right in line with the sector's performance, with visitors to its site decreasing 4.1% over January and 0.5% over 2014, and purchasers decreasing 7.9% over January and 0.4% over 2014. The e-commerce sector overall dropped in visits 4% over January and stayed flat over 2014. Purchasers in the sector overall declined 3% over January and 0.6% over 2014. 

Beyond looking at overall visits and purchases on the sites, Cowen also tracks individual categories on Amazon, showing yearly trends, which paint an interesting picture of people's buying habits. While books remains the most popular category for Amazon, it is quickly growing its other categories and diversifying into new areas.

Here's the top 10 things people bought in February of 2015, ranked according to the number of purchasers in each category.

10. Cosmetics and fragrances

This category wins for largest gains in purchasers over 2014, increasing 95.8% from February 2014, meaning that almost double the amount of respondents on Cowen's survey bought cosmetics and fragrances on Amazon's site in February of 2015 compared to the previous year. Nonetheless, the category remained in tenth place relative to other categories, with 10% of respondents deciding to buy some perfume or makeup on the site. Last year only 5.2% of purchasers bought from this category.

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9. Vitamins or food supplements

Got to get some Vitamin D. Close to 12% of Amazon purchasers went to the site for this category. This was a 37% increase from 2014, but the category remained in 9th place overall.

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8. Personal care products

This category increased its number of purchasers 26.9% over 2014, with 12.1% of Amazon purchasers buying themselves shampoo or the like. This is the second year in a row that personal care products ranked 8th overall in Cowen's survey.

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Gamers seem to like Amazon. Almost 21% more purchasers bought in this category compared to February 2014, with 13.3% of all Amazon purchasers buying video games. Last year the category ranked in sixth place, but this year it got bumped down a notch.

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6. Electronics above $50

This category attracted 1.1% more purchasers in February 2015 compared to 2014, with 13.4% of Amazon purchasers buying electronics that were more expensive than $50. Last year the category ranked in 5th place.

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Apparently there are some Kindle fans out there (or at least Kindle app fans), despite IDC Worldwide reporting that they made up 5% of all tablets shipped in the U.S. in the fourth quarter of 2014. Nearly 14% of Amazon purchasers bought an e-book in February, down 12.4% from 2014, shifting the category down from its 4th place ranking in 2014.

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Toys had a great year on Amazon, increasing 33.1% year-over-year with more than 14% of all Amazon purchasers buying in this category. Toys jumped significantly from 7th place in 2014, thanks to the increased interest.

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3. CDs, DVDs, or Blu-ray discs

Apparently not everyone has replaced their discman with Spotify just yet. Though this category dropped 16.1% since 2014 (the highest drop in the top 20 categories on Amazon), it remains in third place for the second consecutive year, as nearly 15% of Amazon purchasers bought a CD, DVD, or Blu-ray disc in February 2015.

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This category dropped 1.1% since 2014 with nearly 20% of Amazon purchasers having bought an electronic that was cheaper than $50. The category also finished in second place in 2014.

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Despite declining 5.4% year-over-year, physical books have maintained the top spot over the past year, with 20% of all Amazon purchasers having bought a book in February of 2015. Perhaps print is not yet dead.

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