| 年度 | 实际值 |
|---|---|
| 1992 | 3408 |
| 1993 | 6720 |
| 1994 | 6949 |
| 1995 | 12117 |
| 1996 | 13291 |
| 1997 | 10864 |
| 1998 | 11298 |
| 1999 | 10367 |
| 2000 | 9952 |
| 2001 | 10021 |
| 2002 | 10397 |
| 2003 | 9706 |
| 2004 | 10505 |
| 2005 | 10673 |
| 2006 | 11649 |
| 2007 | 12616.01 |
| 2008 | 17403.04 |
| 2009 | |
| 2010 | 25506.06 |
| 2011 | 29266 |
| 2012 | 34384 |
| 2013 | 36956 |
| 2014 | 37209 |