| 年度 | 实际值 |
|---|---|
| 1997 | 31900 |
| 1998 | 33100 |
| 1999 | |
| 2000 | 247200 |
| 2001 | 265700 |
| 2002 | 264800 |
| 2003 | 250000 |
| 2004 | 24 |
| 2005 | 229300 |
| 2006 | 213600 |
| 2007 | 195100 |
| 2008 | 185500 |
| 2009 | |
| 2010 | 191400 |
| 2011 | 193800 |
| 2012 | 198200 |
| 2013 | 198100 |
| 2014 | 196700 |
| 2015 | 191100 |
| 2016 | 190000 |
| 2017 | 190000 |
| 2018 | 200000 |