| 年度 | 实际值 |
|---|---|
| 1992 | 10981 |
| 1993 | |
| 1994 | |
| 1995 | 10838 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 14463 |
| 2000 | 14787 |
| 2001 | 14124 |
| 2002 | 13982 |
| 2003 | 13842 |
| 2004 | 13704 |
| 2005 | 13567 |
| 2006 | 13432 |
| 2007 | 13297 |
| 2008 | 13164 |
| 2009 | 13032 |
| 2010 | 12901 |
| 2011 | 12934 |
| 2012 | 12998 |
| 2013 | 12421 |
| 2014 | 11688 |
| 2015 | 10560 |
| 2016 | 10350 |