| 年度 | 实际值 |
|---|---|
| 1992 | 46242 |
| 1993 | |
| 1994 | |
| 1995 | 49583 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 47153 |
| 2000 | 45750 |
| 2001 | 43391 |
| 2002 | 41956 |
| 2003 | 38673 |
| 2004 | 41095 |
| 2005 | 43774 |
| 2006 | 41456 |
| 2007 | 42244 |
| 2008 | 35491 |
| 2009 | 37231 |
| 2010 | 36755 |
| 2011 | 33645 |
| 2012 | 33975 |
| 2013 | 34327 |
| 2014 | 32510 |
| 2015 | 32578 |
| 2016 | 32640 |