| 年度 | 实际值 |
|---|---|
| 1992 | 8184 |
| 1993 | |
| 1994 | |
| 1995 | 9135 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 17607 |
| 2000 | 15094 |
| 2001 | 12376 |
| 2002 | 17824 |
| 2003 | 33981 |
| 2004 | 29984 |
| 2005 | 33729 |
| 2006 | 30106 |
| 2007 | 44558 |
| 2008 | 52967 |
| 2009 | 60283 |
| 2010 | 68513 |
| 2011 | 83891 |
| 2012 | 88546 |
| 2013 | 109665 |
| 2014 | 107541 |
| 2015 | 103319 |
| 2016 | 118747 |
| 2017 | 139781 |