分面浏览：发表日期 |
| 当前检索式 | ((ALL：trees)) |
| 限定条件 | 无 |
| 2024 7 | 2023 13 | 2022 83 |
| 2021 134 | 2020 225 | 2019 339 |
| 2018 390 | 2017 406 | 2016 522 |
| 2015 450 | 2014 341 | 2013 326 |
| 2012 298 | 2011 220 | 2010 384 |
| 2009 257 | 2008 245 | 2007 221 |
| 2006 186 | 2005 139 | 2004 111 |
| 2003 62 | 2002 48 | 2001 34 |
| 2000 40 | 1999 34 | 1998 19 |
| 1997 26 | 1996 10 | 1995 9 |
| 1994 11 | 1993 11 | 1992 8 |
| 1991 5 | 1990 7 | 1989 9 |
| 1988 4 | 1987 2 | 1986 1 |
| 1985 2 | 1984 1 | 1983 3 |
| 1981 2 | 1978 2 | 1970 1 |
| 1942 1 |
