| 年度 | 实际值 |
|---|---|
| 1992 | 56590 |
| 1993 | |
| 1994 | |
| 1995 | 57182 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 61366 |
| 2000 | 54367 |
| 2001 | 54167 |
| 2002 | 46059 |
| 2003 | 48525 |
| 2004 | 45890 |
| 2005 | 45745 |
| 2006 | 49913 |
| 2007 | 49809 |
| 2008 | 41421 |
| 2009 | 43550 |
| 2010 | 42260 |
| 2011 | 43303 |
| 2012 | 45478 |
| 2013 | 47122 |
| 2014 | 48015 |
| 2015 | 47861 |
| 2016 | 47815 |