| 年度 | 实际值 |
|---|---|
| 1997 | 220800 |
| 1998 | 190500 |
| 1999 | 180000 |
| 2000 | 170900 |
| 2001 | 159100 |
| 2002 | 141600 |
| 2003 | 135500 |
| 2004 | 137100 |
| 2005 | 134400 |
| 2006 | 139900 |
| 2007 | 138300 |
| 2008 | 133600 |
| 2009 | |
| 2010 | 132900 |
| 2011 | 133800 |
| 2012 | 151400 |
| 2013 | 163000 |
| 2014 | 161000 |
| 2015 | 15.69 |
| 2016 | 160000 |
| 2017 | 130000 |
| 2018 | 130000 |