| 年度 | 实际值 |
|---|---|
| 1992 | 23000 |
| 1993 | |
| 1994 | |
| 1995 | 25000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 32000 |
| 2000 | 34000 |
| 2001 | 40000 |
| 2002 | 41000 |
| 2003 | 50000 |
| 2004 | 50000 |
| 2005 | 50000 |
| 2006 | |
| 2007 | 80000 |
| 2008 | 80000 |
| 2009 | 100000 |
| 2010 | 100000 |
| 2011 | 130000 |
| 2012 | 130000 |
| 2013 | 150000 |
| 2014 | 180000 |
| 2015 | 230000 |
| 2016 | 250000 |
| 2017 | 260000 |