| 年度 | 实际值 |
|---|---|
| 1992 | 5686 |
| 1993 | |
| 1994 | |
| 1995 | 6912 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 9540 |
| 2000 | 9364.12 |
| 2001 | 8662.9 |
| 2002 | 9587.25 |
| 2003 | 5432.42 |
| 2004 | 5811.89 |
| 2005 | 6269.41 |
| 2006 | 6489.11 |
| 2007 | 6489.28 |
| 2008 | 7279 |
| 2009 | 7587 |
| 2010 | 7331 |
| 2011 | 8538.87 |
| 2012 | 18225 |
| 2013 | 12801 |
| 2014 | 17394.83 |
| 2015 | 17773.01 |