| 年度 | 实际值 |
|---|---|
| 1993 | 5724 |
| 1994 | 6130 |
| 1995 | 5020 |
| 1996 | 7982 |
| 1997 | 5906 |
| 1998 | 5764 |
| 1999 | 5900 |
| 2000 | 5968 |
| 2001 | 6027 |
| 2002 | 5285 |
| 2003 | 6215 |
| 2004 | 6416 |
| 2005 | 6454 |
| 2006 | 6476 |
| 2007 | 6511 |
| 2008 | 6727 |
| 2009 | |
| 2010 | 7132 |
| 2011 | 7259 |
| 2012 | 7473 |
| 2013 | 8104 |
| 2014 | 9524 |
| 2015 | 7752 |
| 2016 | 8264 |
| 2017 | 8588 |
| 2018 | 8809 |