| 年度 | 实际值 |
|---|---|
| 1993 | 9716 |
| 1994 | 9647 |
| 1995 | 9935 |
| 1996 | 10240 |
| 1997 | 10117 |
| 1998 | 10188 |
| 1999 | 9481 |
| 2000 | 10232 |
| 2001 | 9084 |
| 2002 | 8638 |
| 2003 | 8537 |
| 2004 | 10445 |
| 2005 | 11146 |
| 2006 | 11591 |
| 2007 | 10674 |
| 2008 | 10598 |
| 2009 | |
| 2010 | 11593 |
| 2011 | 10194 |
| 2012 | 10496 |
| 2013 | 10590 |
| 2014 | 10976 |
| 2015 | 11499 |
| 2016 | 12236 |
| 2017 | 12862 |
| 2018 | 13368 |