| 年度 | 实际值 |
|---|---|
| 1992 | 38099 |
| 1993 | |
| 1994 | |
| 1995 | 45279 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 42194 |
| 2000 | 39790 |
| 2001 | 36369 |
| 2002 | 42823 |
| 2003 | 38074 |
| 2004 | 35676 |
| 2005 | 36175 |
| 2006 | 36634 |
| 2007 | 26739 |
| 2008 | 42782 |
| 2009 | 40932 |
| 2010 | 41030 |
| 2011 | 33715 |
| 2012 | 37083 |
| 2013 | 36614 |
| 2014 | 37235 |
| 2015 | 36322 |
| 2016 | 35047 |