| 年度 | 实际值 |
|---|---|
| 1992 | 8000 |
| 1993 | |
| 1994 | |
| 1995 | 9000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 4000 |
| 2000 | 28000 |
| 2001 | 27000 |
| 2002 | 24000 |
| 2003 | 25000 |
| 2004 | 44000 |
| 2005 | 43000 |
| 2006 | 51000 |
| 2007 | 59000 |
| 2008 | 69000 |
| 2009 | 76000 |
| 2010 | 80000 |
| 2011 | 80000 |
| 2012 | 90000 |
| 2013 | 40000 |
| 2014 | 40000 |
| 2015 | 50000 |
| 2016 | 50000 |
| 2017 | 50000 |