| 年度 | 实际值 |
|---|---|
| 1992 | 3399 |
| 1993 | |
| 1994 | 8527 |
| 1995 | 5614 |
| 1996 | 9242 |
| 1997 | |
| 1998 | |
| 1999 | 13432 |
| 2000 | 14644 |
| 2001 | 22353 |
| 2002 | 25214 |
| 2003 | 33502 |
| 2004 | 49240 |
| 2005 | 66362 |
| 2006 | 67283 |
| 2007 | 82063 |
| 2008 | 129444 |
| 2009 | 157157 |
| 2010 | 169957 |
| 2011 | 195267 |
| 2012 | 204559 |
| 2013 | 236874 |
| 2014 | 253912 |
| 2015 | 296299 |