| 年度 | 实际值 |
|---|---|
| 1992 | 5837 |
| 1993 | |
| 1994 | 6770 |
| 1995 | 16599 |
| 1996 | 11798 |
| 1997 | |
| 1998 | |
| 1999 | 12628 |
| 2000 | 10734 |
| 2001 | 10197 |
| 2002 | 12336 |
| 2003 | 20516 |
| 2004 | 8849 |
| 2005 | 11578 |
| 2006 | 20079 |
| 2007 | 25753 |
| 2008 | 30484 |
| 2009 | 40050 |
| 2010 | 50142 |
| 2011 | 74840 |
| 2012 | 100206 |
| 2013 | 107000 |
| 2014 | 141178 |
| 2015 | 88403 |