| 年度 | 实际值 |
|---|---|
| 1992 | 8693 |
| 1993 | |
| 1994 | 6372 |
| 1995 | 9071 |
| 1996 | 12013 |
| 1997 | |
| 1998 | |
| 1999 | 17716 |
| 2000 | 17236 |
| 2001 | 17598 |
| 2002 | 15032 |
| 2003 | 16591 |
| 2004 | 13420 |
| 2005 | 22382 |
| 2006 | 26430 |
| 2007 | 33123 |
| 2008 | 36877 |
| 2009 | 49482 |
| 2010 | 52813 |
| 2011 | 70551 |
| 2012 | 84901 |
| 2013 | 98072 |
| 2014 | 115658 |
| 2015 | 121893 |