| 年度 | 实际值 |
|---|---|
| 1992 | 67770 |
| 1993 | |
| 1994 | |
| 1995 | 59810 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 56396 |
| 2000 | 44620 |
| 2001 | 38220 |
| 2002 | 38380 |
| 2003 | 37430 |
| 2004 | 39250 |
| 2005 | 39600 |
| 2006 | 41610 |
| 2007 | 44450 |
| 2008 | 47680 |
| 2009 | 42380 |
| 2010 | 43420 |
| 2011 | 42930 |
| 2012 | 45680 |
| 2013 | 46240 |
| 2014 | 37990 |
| 2015 | 35250 |
| 2016 | 33450 |