| 年度 | 实际值 |
|---|---|
| 1992 | 97229 |
| 1993 | |
| 1994 | |
| 1995 | 83973 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 36100 |
| 2000 | 36000 |
| 2001 | 82000 |
| 2002 | 40637 |
| 2003 | 28016 |
| 2004 | 45358 |
| 2005 | 45696 |
| 2006 | 46325 |
| 2007 | 48165 |
| 2008 | 48260 |
| 2009 | 39841 |
| 2010 | 38009 |
| 2011 | 40465 |
| 2012 | 35341 |
| 2013 | 33156 |
| 2014 | 30013 |
| 2015 | 31034 |
| 2016 | 33256 |