分面浏览：发表日期 |
| 当前检索式 | ((ALL：preparation)) |
| 限定条件 | 无 |
| 2024 8 | 2023 93 | 2022 267 |
| 2021 425 | 2020 602 | 2019 1661 |
| 2018 1998 | 2017 2151 | 2016 2433 |
| 2015 2208 | 2014 2436 | 2013 2381 |
| 2012 2407 | 2011 2178 | 2010 3574 |
| 2009 1756 | 2008 1603 | 2007 1360 |
| 2006 1230 | 2005 1002 | 2004 866 |
| 2003 652 | 2002 587 | 2001 435 |
| 2000 355 | 1999 335 | 1998 275 |
| 1997 219 | 1996 154 | 1995 125 |
| 1994 107 | 1993 92 | 1992 87 |
| 1991 78 | 1990 44 | 1989 49 |
| 1988 27 | 1987 26 | 1986 26 |
| 1985 20 | 1984 15 | 1983 17 |
| 1982 16 | 1981 16 | 1980 14 |
| 1979 4 | 1978 6 | 1977 4 |
| 1976 7 | 1975 2 | 1973 1 |
| 1971 17 | 1970 1 | 1969 1 |
| 1965 3 | 1964 3 | 1963 2 |
| 1959 1 | 1958 1 | 1957 1 |
| 1950 1 |
