| 年度 | 实际值 |
|---|---|
| 1992 | 25299 |
| 1993 | |
| 1994 | |
| 1995 | 28540 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 34671 |
| 2000 | 33480 |
| 2001 | 34030 |
| 2002 | 34012 |
| 2003 | 32502 |
| 2004 | 33322 |
| 2005 | 36180 |
| 2006 | 36117 |
| 2007 | 35251 |
| 2008 | 32884 |
| 2009 | 33176 |
| 2010 | 32721 |
| 2011 | 34306 |
| 2012 | 34828 |
| 2013 | 35654 |
| 2014 | 35524 |
| 2015 | 36695 |
| 2016 | 37051 |