| 年度 | 实际值 |
|---|---|
| 1992 | 6727 |
| 1993 | |
| 1994 | |
| 1995 | 9808 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 11062 |
| 2000 | 10803.6 |
| 2001 | 12263.63 |
| 2002 | 11668.47 |
| 2003 | 12490.21 |
| 2004 | 13648.58 |
| 2005 | 14172.53 |
| 2006 | 14912.91 |
| 2007 | 15193.78 |
| 2008 | 14865 |
| 2009 | 14579 |
| 2010 | 14661 |
| 2011 | 14291.87 |
| 2012 | 14212 |
| 2013 | 14078 |
| 2014 | 13770.47 |
| 2015 | 13499.04 |