| 年度 | 实际值 |
|---|---|
| 1992 | 3336 |
| 1993 | 2653 |
| 1994 | 8721 |
| 1995 | 8935 |
| 1996 | 9353 |
| 1997 | 8200 |
| 1998 | 8393 |
| 1999 | 8706 |
| 2000 | 9052 |
| 2001 | 8578 |
| 2002 | 10032 |
| 2003 | 10609 |
| 2004 | 11580 |
| 2005 | 10895 |
| 2006 | 11863.94 |
| 2007 | 11918.7 |
| 2008 | 13429.9 |
| 2009 | |
| 2010 | 33983.92 |
| 2011 | 35524 |
| 2012 | 36441 |
| 2013 | 37922 |
| 2014 | 12745 |