| 年度 | 实际值 |
|---|---|
| 1992 | 38703 |
| 1993 | |
| 1994 | |
| 1995 | 41723 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 47511 |
| 2000 | 48001 |
| 2001 | 48797 |
| 2002 | 41284 |
| 2003 | 37104 |
| 2004 | 35492 |
| 2005 | 37663 |
| 2006 | 37403 |
| 2007 | 37356 |
| 2008 | 38135 |
| 2009 | 38058 |
| 2010 | 37276 |
| 2011 | 40079 |
| 2012 | 41405 |
| 2013 | 43638 |
| 2014 | 42821 |
| 2015 | 42848 |
| 2016 | 43117 |