| 年度 | 实际值 |
|---|---|
| 1997 | 147500 |
| 1998 | 138000 |
| 1999 | 140000 |
| 2000 | 141600 |
| 2001 | 137500 |
| 2002 | 137200 |
| 2003 | 136100 |
| 2004 | 140900 |
| 2005 | 144600 |
| 2006 | 151900 |
| 2007 | 68400 |
| 2008 | 148600 |
| 2009 | |
| 2010 | 161200 |
| 2011 | 186200 |
| 2012 | 200200 |
| 2013 | 200000 |
| 2014 | 203900 |
| 2015 | 20.9 |
| 2016 | 220000 |
| 2017 | 210000 |
| 2018 | 210000 |