| 年度 | 实际值 |
|---|---|
| 1992 | 10523 |
| 1993 | |
| 1994 | |
| 1995 | 24483 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 34798 |
| 2000 | 35796 |
| 2001 | 30976 |
| 2002 | 29010 |
| 2003 | 32355 |
| 2004 | 28729 |
| 2005 | 27863 |
| 2006 | 29209 |
| 2007 | 32230 |
| 2008 | 35359 |
| 2009 | 70300 |
| 2010 | 78063 |
| 2011 | 78063 |
| 2012 | 97787 |
| 2013 | 110865 |
| 2014 | 138897 |
| 2015 | 151368 |
| 2016 | 161903 |
| 2017 | 199597 |