分面浏览：发表日期 |
| 当前检索式 | ((ALL：Conservation)) |
| 限定条件 | 无 |
| 2024 26 | 2023 121 | 2022 241 |
| 2021 462 | 2020 690 | 2019 1037 |
| 2018 1035 | 2017 957 | 2016 1105 |
| 2015 810 | 2014 804 | 2013 723 |
| 2012 772 | 2011 612 | 2010 1053 |
| 2009 622 | 2008 539 | 2007 406 |
| 2006 371 | 2005 262 | 2004 239 |
| 2003 178 | 2002 118 | 2001 139 |
| 2000 120 | 1999 96 | 1998 68 |
| 1997 58 | 1996 49 | 1995 37 |
| 1994 43 | 1993 19 | 1992 18 |
| 1991 15 | 1990 10 | 1989 9 |
| 1988 5 | 1987 5 | 1986 1 |
| 1985 2 | 1984 2 | 1983 2 |
| 1982 4 | 1981 2 | 1966 1 |
| 1958 2 |
