| 年度 | 实际值 |
|---|---|
| 1993 | 5000 |
| 1994 | 5700 |
| 1995 | 6200 |
| 1996 | 10000 |
| 1997 | 6600 |
| 1998 | 6600 |
| 1999 | |
| 2000 | 6505 |
| 2001 | 6663 |
| 2002 | 6696 |
| 2003 | 6838 |
| 2004 | 6924 |
| 2005 | 6964 |
| 2006 | 7163 |
| 2007 | 7104 |
| 2008 | 7017 |
| 2009 | 6706 |
| 2010 | 6468 |
| 2011 | 6260 |
| 2012 | 6133 |
| 2013 | 6037 |
| 2014 | 6132 |
| 2015 | 6231 |
| 2016 | 6283 |
| 2017 | 6310 |