| 年度 | 实际值 |
|---|---|
| 1993 | 2802 |
| 1994 | 2892 |
| 1995 | 3002 |
| 1996 | 3025 |
| 1997 | 3071 |
| 1998 | 3071 |
| 1999 | 3131 |
| 2000 | 3211 |
| 2001 | 3627 |
| 2002 | 3785 |
| 2003 | 4001 |
| 2004 | 4565 |
| 2005 | 4853 |
| 2006 | 5779 |
| 2007 | 5950 |
| 2008 | 6864 |
| 2009 | |
| 2010 | 7563 |
| 2011 | 8554 |
| 2012 | 8664 |
| 2013 | 8669 |
| 2014 | 9185 |
| 2015 | 9953 |
| 2016 | 11119 |
| 2017 | 12705 |
| 2018 | 13830 |