| 年度 | 实际值 |
|---|---|
| 1992 | 38000 |
| 1993 | |
| 1994 | |
| 1995 | 57000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 89000 |
| 2000 | 99200 |
| 2001 | 106000 |
| 2002 | 113000 |
| 2003 | 118000 |
| 2004 | 128000 |
| 2005 | 132000 |
| 2006 | |
| 2007 | 150000 |
| 2008 | 180000 |
| 2009 | 200000 |
| 2010 | 200000 |
| 2011 | 210000 |
| 2012 | 230000 |
| 2013 | 230000 |
| 2014 | 240000 |
| 2015 | 250000 |
| 2016 | 230000 |
| 2017 | 230000 |