分面浏览：发表日期 |
| 当前检索式 | ((ALL：Concentration)) |
| 限定条件 | 无 |
| 2024 58 | 2023 208 | 2022 613 |
| 2021 1124 | 2020 1739 | 2019 2460 |
| 2018 3142 | 2017 2959 | 2016 3399 |
| 2015 3002 | 2014 2981 | 2013 2785 |
| 2012 2920 | 2011 2439 | 2010 5270 |
| 2009 2288 | 2008 1974 | 2007 1828 |
| 2006 1622 | 2005 1330 | 2004 1067 |
| 2003 948 | 2002 830 | 2001 673 |
| 2000 564 | 1999 487 | 1998 448 |
| 1997 283 | 1996 232 | 1995 209 |
| 1994 157 | 1993 136 | 1992 161 |
| 1991 111 | 1990 79 | 1989 78 |
| 1988 67 | 1987 60 | 1986 50 |
| 1985 49 | 1984 37 | 1983 14 |
| 1982 21 | 1981 4 | 1980 5 |
| 1979 3 | 1978 3 | 1977 5 |
| 1976 2 | 1975 1 | 1974 2 |
| 1973 2 | 1972 1 | 1970 2 |
| 1969 1 | 1967 1 | 1966 1 |
| 1965 1 | 1964 1 | 1961 1 |
| 1959 1 | 1936 1 |
