| 年度 | 实际值 |
|---|---|
| 1992 | 347585 |
| 1993 | |
| 1994 | |
| 1995 | 339782 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 351851 |
| 2000 | 291872 |
| 2001 | 240021 |
| 2002 | 195156 |
| 2003 | 160779 |
| 2004 | 156373 |
| 2005 | 171532 |
| 2006 | 35354 |
| 2007 | 182504 |
| 2008 | 203125 |
| 2009 | 181250 |
| 2010 | 179222 |
| 2011 | 161879 |
| 2012 | 167187 |
| 2013 | 168609 |
| 2014 | 122628 |
| 2015 | 136630 |
| 2016 | 139734 |