U.S. Periodical Prices 2002, Table 4
| Number of Titles | Average Price | Percent Increase | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Subcategory | 2000 | 2001 | 2002 | 2000 | 2001 | 2002 | 2000 | 2001 | 2002 |
| Mathematics | 89 | 88 | 89 | 682.31 | 738.81 | 779.36 | 9.8 | 8.3 | 5.5 |
| Earth Sciences (including Geography titles) |
58 | 58 | 58 | 260.57 | 279.64 | 299.37 | 8.3 | 7.3 | 7.1 |
| Life Sciences | 41 | 41 | 41 | 831.88 | 906.12 | 980.85 | 14.9 | 8.9 | 8.2 |
| Botanical Sciences | 26 | 26 | 26 | 244.92 | 265.27 | 291.19 | 9.4 | 8.3 | 9.8 |
| General Sciences (including Astronomy titles) |
24 | 25 | 24 | 277.52 | 312.54 | 376.14 | 6.4 | 12.6 | 20.3 |
| Total | 238 | 238 | 238 | 516.70 | 559.23 | 603.11 | 10.7 | 8.2 | 7.8 |