| 年度 | 实际值 |
|---|---|
| 1993 | 6078 |
| 1994 | 6030 |
| 1995 | 5931 |
| 1996 | 8189 |
| 1997 | 6372 |
| 1998 | 4748 |
| 1999 | 6778 |
| 2000 | 8050 |
| 2001 | 8460 |
| 2002 | 5778 |
| 2003 | 5808 |
| 2004 | 6134 |
| 2005 | 6040 |
| 2006 | 5881 |
| 2007 | 5925 |
| 2008 | 5486 |
| 2009 | |
| 2010 | 5989 |
| 2011 | 6643 |
| 2012 | 6643 |
| 2013 | 7393 |
| 2014 | 7808 |
| 2015 | 8203 |
| 2016 | 8485 |
| 2017 | 8781 |
| 2018 | 9263 |