| 年度 | 实际值 |
|---|---|
| 1992 | 9917 |
| 1993 | |
| 1994 | |
| 1995 | 14199 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 18918 |
| 2000 | 17547 |
| 2001 | 22955 |
| 2002 | 29689 |
| 2003 | 47815 |
| 2004 | 58397 |
| 2005 | 69721 |
| 2006 | 59290 |
| 2007 | 132996 |
| 2008 | 130871 |
| 2009 | 129559 |
| 2010 | 174963 |
| 2011 | 252693 |
| 2012 | 194028 |
| 2013 | 106769 |
| 2014 | 107096 |
| 2015 | 104980 |
| 2016 | 123555 |
| 2017 | 114875 |