| 年度 | 实际值 |
|---|---|
| 1992 | 175224 |
| 1993 | |
| 1994 | |
| 1995 | 120059 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 126473 |
| 2000 | 112714 |
| 2001 | 107445 |
| 2002 | 56542 |
| 2003 | 42906 |
| 2004 | 43253 |
| 2005 | 40643 |
| 2006 | 40474 |
| 2007 | 40799 |
| 2008 | 35003 |
| 2009 | 35135 |
| 2010 | 35195 |
| 2011 | 35119 |
| 2012 | 35088 |
| 2013 | 35223 |
| 2014 | 35491 |
| 2015 | 35224 |
| 2016 | 35391 |