| 年度 | 实际值 |
|---|---|
| 1992 | 172001 |
| 1993 | |
| 1994 | |
| 1995 | 168732 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 179391 |
| 2000 | 172536 |
| 2001 | 152355 |
| 2002 | 134706 |
| 2003 | 116548 |
| 2004 | 130959 |
| 2005 | 122202 |
| 2006 | 27005 |
| 2007 | 123139 |
| 2008 | 129189 |
| 2009 | 121970 |
| 2010 | 122499 |
| 2011 | 117751 |
| 2012 | 120379 |
| 2013 | 120666 |
| 2014 | 76111 |
| 2015 | 83628 |
| 2016 | 83628 |