| 年度 | 实际值 |
|---|---|
| 1992 | 65420 |
| 1993 | |
| 1994 | |
| 1995 | 59630 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 57258 |
| 2000 | 53280 |
| 2001 | 48620 |
| 2002 | 48470 |
| 2003 | 45800 |
| 2004 | 46640 |
| 2005 | 48380 |
| 2006 | 49580 |
| 2007 | 51210 |
| 2008 | 52370 |
| 2009 | 52650 |
| 2010 | 51650 |
| 2011 | 50600 |
| 2012 | 50470 |
| 2013 | 50060 |
| 2014 | 44090 |
| 2015 | 44090 |
| 2016 | 44280 |