分面浏览：发表日期 |
| 当前检索式 | ((ALL：north china)) |
| 限定条件 | 无 |
| 2024 57 | 2023 149 | 2022 226 |
| 2021 419 | 2020 602 | 2019 1506 |
| 2018 1775 | 2017 1614 | 2016 1822 |
| 2015 1409 | 2014 1487 | 2013 1358 |
| 2012 985 | 2011 855 | 2010 2107 |
| 2009 785 | 2008 680 | 2007 665 |
| 2006 530 | 2005 463 | 2004 411 |
| 2003 322 | 2002 236 | 2001 205 |
| 2000 136 | 1999 91 | 1998 92 |
| 1997 56 | 1996 38 | 1995 21 |
| 1994 11 | 1993 19 | 1992 25 |
| 1991 21 | 1990 12 | 1989 8 |
| 1988 18 | 1987 8 | 1986 21 |
| 1985 8 | 1984 12 | 1983 8 |
| 1981 3 | 1980 2 | 1979 1 |
| 1973 1 | 1963 1 | 1959 1 |
| 1927 1 | 1922 1 |
