| 年度 | 实际值 |
|---|---|
| 1992 | 19000 |
| 1993 | |
| 1994 | |
| 1995 | 20000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 23000 |
| 2000 | 23761 |
| 2001 | 25357 |
| 2002 | 29430 |
| 2003 | 32659 |
| 2004 | 33148 |
| 2005 | 36147 |
| 2006 | 36589 |
| 2007 | 36907 |
| 2008 | 39221 |
| 2009 | 50000 |
| 2010 | 40000 |
| 2011 | 69800 |
| 2012 | 73000 |
| 2013 | 53260 |
| 2014 | 77500 |
| 2015 | 79800 |
| 2016 | 80000 |
| 2017 | 70000 |