| 年度 | 实际值 |
|---|---|
| 1992 | 348000 |
| 1993 | |
| 1994 | |
| 1995 | 407000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 421000 |
| 2000 | 421000 |
| 2001 | 440000 |
| 2002 | 441000 |
| 2003 | 350000 |
| 2004 | 300000 |
| 2005 | 310000 |
| 2006 | 370000 |
| 2007 | 330000 |
| 2008 | 330000 |
| 2009 | 340000 |
| 2010 | 340000 |
| 2011 | 340000 |
| 2012 | 350000 |
| 2013 | 350000 |
| 2014 | 360000 |
| 2015 | 370000 |
| 2016 | 280000 |
| 2017 | 290000 |