| 年度 | 实际值 |
|---|---|
| 1992 | 14010 |
| 1993 | 17751 |
| 1994 | 6832 |
| 1995 | 6564 |
| 1996 | 11260 |
| 1997 | 11121 |
| 1998 | 12230 |
| 1999 | 13742 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 32646 |
| 2004 | 31180 |
| 2005 | 39465 |
| 2006 | 63451 |
| 2007 | 83633 |
| 2008 | 116744 |
| 2009 | |
| 2010 | 170623 |
| 2011 | 188644 |
| 2012 | 238670 |
| 2013 | 255080 |
| 2014 | 268211 |
| 2015 | 281179 |
| 2016 | 242097 |
| 2017 | 183442 |
| 2018 | 178365 |