| 年度 | 实际值 |
|---|---|
| 1992 | 1899 |
| 1993 | |
| 1994 | |
| 1995 | 3891 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 11292 |
| 2000 | 11939 |
| 2001 | 12302 |
| 2002 | 15876 |
| 2003 | 16768 |
| 2004 | 17542 |
| 2005 | 21345 |
| 2006 | 29353 |
| 2007 | 39912 |
| 2008 | 55766 |
| 2009 | 85622 |
| 2010 | 106758 |
| 2011 | 123056 |
| 2012 | 140863 |
| 2013 | 171179 |
| 2014 | 176210 |
| 2015 | 212688 |
| 2016 | 236199 |