| 年度 | 实际值 |
|---|---|
| 1992 | 550 |
| 1993 | |
| 1994 | 6949 |
| 1995 | 5327 |
| 1996 | 8962 |
| 1997 | |
| 1998 | |
| 1999 | 11143 |
| 2000 | 14968 |
| 2001 | 15928 |
| 2002 | 23785 |
| 2003 | 30220 |
| 2004 | 35194 |
| 2005 | 42796 |
| 2006 | 55881 |
| 2007 | 68798 |
| 2008 | 87366 |
| 2009 | 107419 |
| 2010 | 165633 |
| 2011 | 167573 |
| 2012 | 195577 |
| 2013 | 209331 |
| 2014 | 242547 |
| 2015 | 253118 |