| 年度 | 实际值 |
|---|---|
| 1992 | 15645 |
| 1993 | |
| 1994 | |
| 1995 | 20085 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 30562 |
| 2000 | 23739 |
| 2001 | 23394 |
| 2002 | 24580 |
| 2003 | 26865 |
| 2004 | 30302 |
| 2005 | 48473 |
| 2006 | 43169 |
| 2007 | 52548 |
| 2008 | 54523 |
| 2009 | 63807 |
| 2010 | 123406 |
| 2011 | 131931 |
| 2012 | 149976 |
| 2013 | 369898 |
| 2014 | 434949 |
| 2015 | 477612 |
| 2016 | 452829 |
| 2017 | 402747 |