| 年度 | 实际值 |
|---|---|
| 1992 | 29000 |
| 1993 | |
| 1994 | |
| 1995 | 35000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 67000 |
| 2000 | 70000 |
| 2001 | 70000 |
| 2002 | 70000 |
| 2003 | 9 |
| 2004 | 110000 |
| 2005 | 130000 |
| 2006 | 140000 |
| 2007 | 140000 |
| 2008 | 150000 |
| 2009 | 160000 |
| 2010 | 170000 |
| 2011 | 180000 |
| 2012 | 190000 |
| 2013 | 254000 |
| 2014 | 266000 |
| 2015 | 280000 |
| 2016 | 290000 |
| 2017 | 290000 |