| Category | Users | Items | Ratings | |||
|---|---|---|---|---|---|---|
| Arts Crafts and Sewing | 85 | 23 | 86 | ratings | reviews | metadata |
| Automotive | 0 | 0 | 0 | ratings | reviews | metadata |
| Books | 19,987 | 10,663 | 31,348 | ratings | reviews | metadata |
| CDs and Vinyl | 0 | 0 | 0 | ratings | reviews | metadata |
| Cell Phones and Accessories | 113 | 54 | 138 | ratings | reviews | metadata |
| Digital Music | 3 | 3 | 3 | ratings | reviews | metadata |
| Electronics | 4,053 | 335 | 4,476 | ratings | reviews | metadata |
| Grocery and Gourmet Food | 1 | 1 | 1 | ratings | reviews | metadata |
| Home and Kitchen | 382 | 58 | 384 | ratings | reviews | metadata |
| Industrial and Scientific | 10 | 5 | 10 | ratings | reviews | metadata |
| Kindle Store | 0 | 0 | 0 | ratings | reviews | metadata |
| Movies and TV | 50 | 37 | 54 | ratings | reviews | metadata |
| Musical Instruments | 90 | 29 | 90 | ratings | reviews | metadata |
| Office Products | 358 | 75 | 377 | ratings | reviews | metadata |
| Sports and Outdoors | 52 | 33 | 54 | ratings | reviews | metadata |
| Toys and Games | 51 | 11 | 51 | ratings | reviews | metadata |
| Overall | 25,059 | 11,327 | 37,072 |