| 年度 | 实际值 |
|---|---|
| 1992 | 5847 |
| 1993 | |
| 1994 | |
| 1995 | 8522 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 7441 |
| 2000 | 8320.13 |
| 2001 | 9871.75 |
| 2002 | 8410.89 |
| 2003 | 11195.77 |
| 2004 | 11070.16 |
| 2005 | 15052.95 |
| 2006 | 15912.95 |
| 2007 | 16769.8 |
| 2008 | 16384 |
| 2009 | 14872 |
| 2010 | 14247 |
| 2011 | 14930.42 |
| 2012 | 14000 |
| 2013 | 13617 |
| 2014 | 13915.48 |
| 2015 | 13876.65 |