| 年度 | 实际值 |
|---|---|
| 1992 | 178563 |
| 1993 | |
| 1994 | |
| 1995 | 165886 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 168143 |
| 2000 | 150505 |
| 2001 | 136337 |
| 2002 | 136071 |
| 2003 | 131635 |
| 2004 | 150522 |
| 2005 | 144977 |
| 2006 | 25045 |
| 2007 | 148016 |
| 2008 | 153121 |
| 2009 | 155028 |
| 2010 | 151575 |
| 2011 | 149342 |
| 2012 | 149383 |
| 2013 | 151428 |
| 2014 | 112813 |
| 2015 | 109164 |
| 2016 | 98759 |