| 时段 | 单词 | 缩略语 | 合成词 | 来源论文数 |
|---|---|---|---|---|
| 汇总 | 3930 | 7337 | 26745 | 260534 (348 mons) |
| 2021 | 2193 | 2699 | 6168 | 15523 (12 mons) |
| 2020 | 2191 | 2600 | 6296 | 15795 (12 mons) |
| 2019 | 2070 | 2317 | 5639 | 15181 (12 mons) |
| 2018 | 1985 | 2176 | 5296 | 14539 (12 mons) |
| 2017 | 1954 | 2010 | 5089 | 13851 (12 mons) |
| 2016 | 1954 | 1968 | 5122 | 13935 (12 mons) |
| 2015 | 1929 | 1776 | 4949 | 13593 (12 mons) |
| 2014 | 1889 | 1651 | 4780 | 13147 (12 mons) |
| 2013 | 1848 | 1618 | 4489 | 12957 (12 mons) |
| 2012 | 1805 | 1485 | 4535 | 12506 (12 mons) |
| 2011 | 1743 | 1425 | 4094 | 12297 (12 mons) |
| 2010 | 1677 | 1347 | 4008 | 11780 (12 mons) |
| 2009 | 1629 | 1220 | 3811 | 11166 (12 mons) |
| 2008 | 1556 | 1047 | 3289 | 10126 (12 mons) |
| 2007 | 1505 | 969 | 3026 | 9994 (12 mons) |
| 2006 | 1346 | 818 | 2734 | 8419 (12 mons) |
| 2005 | 1311 | 735 | 2645 | 8026 (12 mons) |
| 2004 | 1259 | 720 | 2324 | 7639 (12 mons) |
| 2003 | 1218 | 625 | 2281 | 7263 (12 mons) |
| 2002 | 1159 | 539 | 2025 | 6493 (12 mons) |
| 2001 | 1125 | 528 | 1909 | 6252 (12 mons) |
| 2000 | 1053 | 460 | 1711 | 5769 (12 mons) |
| 1999 | 987 | 393 | 1589 | 4975 (12 mons) |
| 1998 | 909 | 309 | 1363 | 4132 (12 mons) |
| 1997 | 812 | 236 | 1065 | 3050 (12 mons) |
| 1996 | 635 | 135 | 613 | 1708 (12 mons) |
| 1995 | 203 | 6 | 32 | 251 (12 mons) |
| 1994 | 83 | 5 | 11 | 121 (12 mons) |
| 1993 | 24 | 1 | 0 | 46 (12 mons) |