| 年度 | 实际值 |
|---|---|
| 1993 | 35000 |
| 1994 | 236900 |
| 1995 | 236500 |
| 1996 | 240000 |
| 1997 | 234500 |
| 1998 | 226400 |
| 1999 | 210000 |
| 2000 | 200215 |
| 2001 | 181758 |
| 2002 | 164780 |
| 2003 | 148183 |
| 2004 | 139662 |
| 2005 | 129137 |
| 2006 | 126084 |
| 2007 | 130357 |
| 2008 | 129665 |
| 2009 | 131849 |
| 2010 | 131112 |
| 2011 | 132187 |
| 2012 | 128597 |
| 2013 | 121210 |
| 2014 | 93325 |
| 2015 | 93024 |