| 年度 | 实际值 |
|---|---|
| 1992 | 12161 |
| 1993 | |
| 1994 | |
| 1995 | 12298 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 14412 |
| 2000 | 16790.43 |
| 2001 | 14577 |
| 2002 | 13722.2 |
| 2003 | 15745.66 |
| 2004 | 16650 |
| 2005 | 17782.75 |
| 2006 | 16514.87 |
| 2007 | 16419.54 |
| 2008 | 12125 |
| 2009 | 7992 |
| 2010 | 9870 |
| 2011 | 10483.18 |
| 2012 | 13336 |
| 2013 | 11951 |
| 2014 | 11943.41 |
| 2015 | 12384.14 |