| 年度 | 实际值 |
|---|---|
| 1992 | 10561 |
| 1993 | |
| 1994 | 15927 |
| 1995 | 18467 |
| 1996 | 20564 |
| 1997 | |
| 1998 | |
| 1999 | 28828 |
| 2000 | 32988 |
| 2001 | 38588 |
| 2002 | 50690 |
| 2003 | 56280 |
| 2004 | 61785 |
| 2005 | 75000 |
| 2006 | 91709 |
| 2007 | 120877 |
| 2008 | 140903 |
| 2009 | 158118 |
| 2010 | 183500 |
| 2011 | 289688 |
| 2012 | 289688 |
| 2013 | 404300 |
| 2014 | 446395 |
| 2015 | 568829 |