分面浏览：发表日期 |
| 当前检索式 | ((ALL：productivity)) |
| 限定条件 | 无 |
| 2024 11 | 2023 71 | 2022 169 |
| 2021 294 | 2020 413 | 2019 573 |
| 2018 679 | 2017 632 | 2016 779 |
| 2015 649 | 2014 497 | 2013 511 |
| 2012 430 | 2011 318 | 2010 509 |
| 2009 322 | 2008 220 | 2007 227 |
| 2006 168 | 2005 163 | 2004 100 |
| 2003 88 | 2002 83 | 2001 35 |
| 2000 28 | 1999 25 | 1998 25 |
| 1997 14 | 1996 12 | 1995 11 |
| 1994 16 | 1993 5 | 1992 11 |
| 1991 7 | 1990 13 | 1989 15 |
| 1988 13 | 1987 8 | 1986 13 |
| 1985 11 | 1984 6 | 1983 3 |
