分面浏览：发表日期 |
| 当前检索式 | ((ALL：Gradients)) |
| 限定条件 | 无 |
| 2024 7 | 2023 44 | 2022 82 |
| 2021 145 | 2020 228 | 2019 306 |
| 2018 319 | 2017 341 | 2016 357 |
| 2015 275 | 2014 207 | 2013 220 |
| 2012 211 | 2011 134 | 2010 270 |
| 2009 122 | 2008 135 | 2007 84 |
| 2006 94 | 2005 60 | 2004 55 |
| 2003 41 | 2002 32 | 2001 35 |
| 2000 23 | 1999 9 | 1998 14 |
| 1997 7 | 1996 5 | 1995 9 |
| 1994 5 | 1993 4 | 1992 9 |
| 1991 3 | 1990 4 | 1989 3 |
| 1988 1 | 1986 1 | 1985 2 |
| 1984 1 | 1983 1 | 1982 2 |
| 1981 1 | 1976 1 | 1964 1 |
