| 时段 | 单词 | 缩略语 | 合成词 | 来源论文数 |
|---|---|---|---|---|
| 汇总 | 306 | 14 | 55 | 679 (12 mons) |
| 199912 | 28 | 1 | 1 | 52 (1 mons) |
| 199911 | 30 | 2 | 0 | 71 (1 mons) |
| 199910 | 16 | 0 | 2 | 46 (1 mons) |
| 199909 | 23 | 3 | 1 | 57 (1 mons) |
| 199908 | 20 | 0 | 0 | 59 (1 mons) |
| 199907 | 22 | 0 | 0 | 45 (1 mons) |
| 199906 | 29 | 2 | 3 | 60 (1 mons) |
| 199905 | 26 | 0 | 4 | 57 (1 mons) |
| 199904 | 13 | 0 | 0 | 62 (1 mons) |
| 199903 | 24 | 0 | 0 | 46 (1 mons) |
| 199902 | 47 | 0 | 3 | 65 (1 mons) |
| 199901 | 35 | 5 | 4 | 59 (1 mons) |