| 年度 | 实际值 |
|---|---|
| 1992 | 54060 |
| 1993 | |
| 1994 | |
| 1995 | 51370 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 45360 |
| 2000 | 42450 |
| 2001 | 40690 |
| 2002 | 40550 |
| 2003 | 38120 |
| 2004 | 38930 |
| 2005 | 38770 |
| 2006 | 38070 |
| 2007 | 38680 |
| 2008 | 39780 |
| 2009 | 40180 |
| 2010 | 38130 |
| 2011 | 37380 |
| 2012 | 36100 |
| 2013 | 35800 |
| 2014 | 30830 |
| 2015 | 33180 |
| 2016 | 34640 |