| 年度 | 实际值 |
|---|---|
| 1992 | 2386 |
| 1993 | 3010 |
| 1994 | 4209 |
| 1995 | 5147 |
| 1996 | 6219 |
| 1997 | 5543 |
| 1998 | 6097 |
| 1999 | 6887 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 34097 |
| 2004 | 38649 |
| 2005 | 43264 |
| 2006 | 57854 |
| 2007 | 89626 |
| 2008 | 135986 |
| 2009 | |
| 2010 | 194797 |
| 2011 | 236616 |
| 2012 | 308581 |
| 2013 | 323123 |
| 2014 | 344655 |
| 2015 | 420165 |
| 2016 | 455154 |
| 2017 | 498434 |
| 2018 | 535609 |