分面浏览：发表日期 |
| 当前检索式 | ((ALL：statistical)) |
| 限定条件 | ((专题：北京大学)) |
| 2017 108 | 2016 136 | 2015 121 |
| 2014 100 | 2013 108 | 2012 95 |
| 2011 83 | 2010 103 | 2009 70 |
| 2008 68 | 2007 84 | 2006 54 |
| 2005 49 | 2004 41 | 2003 33 |
| 2002 28 | 2001 22 | 2000 21 |
| 1999 15 | 1998 12 | 1997 9 |
| 1996 5 | 1995 8 | 1994 5 |
| 1993 7 | 1992 5 | 1991 4 |
| 1989 1 | 1987 1 | 1986 3 |
| 1985 1 | 1984 5 | 1983 1 |
| 1982 1 | 1980 1 |
