| 年度 | 实际值 |
|---|---|
| 1997 | 313600 |
| 1998 | 228500 |
| 1999 | 200000 |
| 2000 | 177800 |
| 2001 | 165200 |
| 2002 | 143500 |
| 2003 | 141900 |
| 2004 | 147200 |
| 2005 | 140300 |
| 2006 | 143900 |
| 2007 | 137000 |
| 2008 | 139700 |
| 2009 | |
| 2010 | 128000 |
| 2011 | 135000 |
| 2012 | 136500 |
| 2013 | 136500 |
| 2014 | 141800 |
| 2015 | 14.37 |
| 2016 | 130000 |
| 2017 | 130000 |
| 2018 | 120000 |