| 年度 | 实际值 |
|---|---|
| 1992 | 42328 |
| 1993 | |
| 1994 | |
| 1995 | 43553 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 42066 |
| 2000 | 42610 |
| 2001 | 40523 |
| 2002 | 38447 |
| 2003 | 36241 |
| 2004 | 39431 |
| 2005 | 40057 |
| 2006 | 40693 |
| 2007 | 39041 |
| 2008 | 34760 |
| 2009 | 35483 |
| 2010 | 35727 |
| 2011 | 36000 |
| 2012 | 36000 |
| 2013 | 36635 |
| 2014 | 34870 |
| 2015 | 34130 |
| 2016 | 34180 |