| 年度 | 实际值 |
|---|---|
| 1992 | 41825 |
| 1993 | |
| 1994 | |
| 1995 | 52153 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 57767 |
| 2000 | 57390 |
| 2001 | 51765 |
| 2002 | 51035 |
| 2003 | 50432 |
| 2004 | 51291 |
| 2005 | 51756 |
| 2006 | 53393 |
| 2007 | 53963 |
| 2008 | 43739 |
| 2009 | 46695 |
| 2010 | 48236 |
| 2011 | 47009 |
| 2012 | 47624 |
| 2013 | 48074 |
| 2014 | 47804 |
| 2015 | 45001 |
| 2016 | 44462 |