| 年度 | 实际值 |
|---|---|
| 1992 | 7007 |
| 1993 | |
| 1994 | |
| 1995 | 18735 |
| 1996 | 19174 |
| 1997 | |
| 1998 | |
| 1999 | 22719 |
| 2000 | 23239 |
| 2001 | 26526 |
| 2002 | 29027 |
| 2003 | 42761 |
| 2004 | 71700 |
| 2005 | 105754 |
| 2006 | 138430 |
| 2007 | 181420 |
| 2008 | 200988 |
| 2009 | 223852 |
| 2010 | 217338 |
| 2011 | 308239 |
| 2012 | 390400 |
| 2013 | 371587 |
| 2014 | 350861 |
| 2015 | 351694 |