| 年度 | 实际值 |
|---|---|
| 1993 | 3522 |
| 1994 | 3624 |
| 1995 | 3759 |
| 1996 | 3947 |
| 1997 | 3256 |
| 1998 | 3421 |
| 1999 | 3546 |
| 2000 | 4346 |
| 2001 | 3714 |
| 2002 | 3670 |
| 2003 | 3916 |
| 2004 | 3831 |
| 2005 | 3861 |
| 2006 | 3833 |
| 2007 | 4020 |
| 2008 | 4516 |
| 2009 | |
| 2010 | 4824 |
| 2011 | 3931 |
| 2012 | 5321 |
| 2013 | 5813 |
| 2014 | 6013 |
| 2015 | 6134 |
| 2016 | 6314 |
| 2017 | 6625 |
| 2018 | 6840 |