| 年度 | 实际值 |
|---|---|
| 1992 | 67000 |
| 1993 | |
| 1994 | |
| 1995 | 65000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 75000 |
| 2000 | 115500 |
| 2001 | 127700 |
| 2002 | 130500 |
| 2003 | 139400 |
| 2004 | 160000 |
| 2005 | 165300 |
| 2006 | 171500 |
| 2007 | 171500 |
| 2008 | 259900 |
| 2009 | 264500 |
| 2010 | 231100 |
| 2011 | 378000 |
| 2012 | 303000 |
| 2013 | 424200 |
| 2014 | 470200 |
| 2015 | 484700 |
| 2016 | 470000 |
| 2017 | 490000 |