| 时段 | 单词 | 缩略语 | 合成词 | 来源论文数 |
|---|---|---|---|---|
| 汇总 | 38 | 216 | 797 | 4378 (12 mons) |
| 199912 | 3 | 37 | 61 | 383 (1 mons) |
| 199911 | 4 | 45 | 80 | 393 (1 mons) |
| 199910 | 2 | 44 | 94 | 429 (1 mons) |
| 199909 | 4 | 52 | 61 | 369 (1 mons) |
| 199908 | 4 | 41 | 72 | 396 (1 mons) |
| 199907 | 1 | 48 | 70 | 385 (1 mons) |
| 199906 | 5 | 45 | 63 | 374 (1 mons) |
| 199905 | 3 | 52 | 69 | 347 (1 mons) |
| 199904 | 2 | 44 | 64 | 352 (1 mons) |
| 199903 | 2 | 49 | 70 | 368 (1 mons) |
| 199902 | 3 | 43 | 50 | 303 (1 mons) |
| 199901 | 1 | 32 | 46 | 279 (1 mons) |