| 年度 | 实际值 |
|---|---|
| 1992 | 10527 |
| 1993 | |
| 1994 | |
| 1995 | 12833 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 15946 |
| 2000 | 16172.28 |
| 2001 | 15636.55 |
| 2002 | 15607.99 |
| 2003 | 16499.09 |
| 2004 | 17171.58 |
| 2005 | 17339.91 |
| 2006 | 17504.92 |
| 2007 | 18094.26 |
| 2008 | 18894 |
| 2009 | 19714 |
| 2010 | 19924 |
| 2011 | 20882.05 |
| 2012 | 22150 |
| 2013 | 22398 |
| 2014 | 22413.17 |
| 2015 | 22391.45 |