| 年度 | 实际值 |
|---|---|
| 1993 | 7072 |
| 1994 | 7955 |
| 1995 | 10407 |
| 1996 | 11909 |
| 1997 | 6909 |
| 1998 | 6425 |
| 1999 | 7083 |
| 2000 | 7469 |
| 2001 | 7620 |
| 2002 | 5648 |
| 2003 | 5456 |
| 2004 | 6533 |
| 2005 | 8154 |
| 2006 | 7299 |
| 2007 | 10628 |
| 2008 | 14096 |
| 2009 | |
| 2010 | 14534 |
| 2011 | 12550 |
| 2012 | 13431 |
| 2013 | 13873 |
| 2014 | 17727 |
| 2015 | 3058 |
| 2016 | 3058 |
| 2017 | 22680 |
| 2018 | 24330 |