| 年度 | 实际值 |
|---|---|
| 1993 | 8666 |
| 1994 | 8818 |
| 1995 | 8907 |
| 1996 | 8831 |
| 1997 | 8999 |
| 1998 | 8886 |
| 1999 | 8993 |
| 2000 | 8931 |
| 2001 | 9006 |
| 2002 | 7714 |
| 2003 | 7566 |
| 2004 | 7709 |
| 2005 | 7267 |
| 2006 | 7530 |
| 2007 | 8127 |
| 2008 | 7064 |
| 2009 | |
| 2010 | 7788 |
| 2011 | 7619 |
| 2012 | 8345 |
| 2013 | 8751 |
| 2014 | 9219 |
| 2015 | 9677 |
| 2016 | 13813 |
| 2017 | 14298 |
| 2018 | 14987 |