| 年度 | 实际值 |
|---|---|
| 1992 | 33887 |
| 1993 | |
| 1994 | |
| 1995 | 39340 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 43472 |
| 2000 | 43982 |
| 2001 | 44519 |
| 2002 | 45015 |
| 2003 | 45067 |
| 2004 | 45167 |
| 2005 | 46873 |
| 2006 | 45918 |
| 2007 | 46774 |
| 2008 | 43823 |
| 2009 | 44907 |
| 2010 | 42639 |
| 2011 | 45877 |
| 2012 | 48171 |
| 2013 | 52530 |
| 2014 | 53072 |
| 2015 | 53775 |
| 2016 | 52632 |