| 年度 | 实际值 |
|---|---|
| 1992 | 2191 |
| 1993 | 2429 |
| 1994 | 2521 |
| 1995 | 2646 |
| 1996 | 3140 |
| 1997 | 3791 |
| 1998 | 3934 |
| 1999 | 5058 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 17348 |
| 2004 | 18358 |
| 2005 | 21948 |
| 2006 | 33049 |
| 2007 | 34321 |
| 2008 | 49724 |
| 2009 | |
| 2010 | 72774 |
| 2011 | 87842 |
| 2012 | 116705 |
| 2013 | 104165 |
| 2014 | 88660 |
| 2015 | 92242 |
| 2016 | 73493 |
| 2017 | 74585 |
| 2018 | 72629 |