| 年度 | 实际值 |
|---|---|
| 1997 | 247700 |
| 1998 | 188800 |
| 1999 | 190000 |
| 2000 | 178300 |
| 2001 | 178700 |
| 2002 | 185100 |
| 2003 | 229700 |
| 2004 | 241000 |
| 2005 | 250500 |
| 2006 | 260900 |
| 2007 | 265900 |
| 2008 | 291500 |
| 2009 | |
| 2010 | 307900 |
| 2011 | 432300 |
| 2012 | 449800 |
| 2013 | 486200 |
| 2014 | 500200 |
| 2015 | 49.13 |
| 2016 | 490000 |
| 2017 | 490000 |
| 2018 | 490000 |