| 年度 | 实际值 |
|---|---|
| 1992 | 5654 |
| 1993 | |
| 1994 | 4631 |
| 1995 | 5298 |
| 1996 | 9689 |
| 1997 | |
| 1998 | |
| 1999 | 12084 |
| 2000 | 12988 |
| 2001 | 16037 |
| 2002 | 19252 |
| 2003 | 19249 |
| 2004 | 11296 |
| 2005 | 13834 |
| 2006 | 16338 |
| 2007 | 22954 |
| 2008 | 31550 |
| 2009 | 41078 |
| 2010 | 62603 |
| 2011 | 87354 |
| 2012 | 117731 |
| 2013 | 120397 |
| 2014 | 137613 |
| 2015 | 111189 |