| 年度 | 实际值 |
|---|---|
| 1992 | 77320 |
| 1993 | |
| 1994 | |
| 1995 | 67530 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 69508 |
| 2000 | 61020 |
| 2001 | 55480 |
| 2002 | 49630 |
| 2003 | 44190 |
| 2004 | 42790 |
| 2005 | 44430 |
| 2006 | 42660 |
| 2007 | 41190 |
| 2008 | 46430 |
| 2009 | 46680 |
| 2010 | 47800 |
| 2011 | 48100 |
| 2012 | 47820 |
| 2013 | 47070 |
| 2014 | 45140 |
| 2015 | 43230 |
| 2016 | 43290 |