| 年度 | 实际值 |
|---|---|
| 1992 | 4562 |
| 1993 | |
| 1994 | |
| 1995 | 5023 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 6597 |
| 2000 | 6133 |
| 2001 | 5655.3 |
| 2002 | 6549.2 |
| 2003 | 8155.26 |
| 2004 | 7648.32 |
| 2005 | 8076.29 |
| 2006 | 8793.57 |
| 2007 | 10505.34 |
| 2008 | 12763 |
| 2009 | 13841 |
| 2010 | 13230 |
| 2011 | 13497.9 |
| 2012 | 15851 |
| 2013 | 15990 |
| 2014 | 17108.88 |
| 2015 | 15958 |