| 年度 | 实际值 |
|---|---|
| 1992 | 10507 |
| 1993 | 11074 |
| 1994 | 11584 |
| 1995 | 11659 |
| 1996 | 13074 |
| 1997 | 14342 |
| 1998 | 16409 |
| 1999 | 19632 |
| 2000 | 21496 |
| 2001 | 23724 |
| 2002 | 25944 |
| 2003 | 28798 |
| 2004 | 18174 |
| 2005 | 26718 |
| 2006 | 28143 |
| 2007 | 30025.9 |
| 2008 | 35461.97 |
| 2009 | |
| 2010 | 44087 |
| 2011 | 34368 |
| 2012 | 39542 |
| 2013 | 43328 |
| 2014 | 28051 |