| 年度 | 实际值 |
|---|---|
| 1997 | 292700 |
| 1998 | 296700 |
| 1999 | 310000 |
| 2000 | 334100 |
| 2001 | 339200 |
| 2002 | 331400 |
| 2003 | 320000 |
| 2004 | 30 |
| 2005 | 284000 |
| 2006 | 280300 |
| 2007 | 287500 |
| 2008 | 293100 |
| 2009 | |
| 2010 | 286800 |
| 2011 | 283100 |
| 2012 | 281100 |
| 2013 | 282600 |
| 2014 | 63900 |
| 2015 | 285000 |
| 2016 | 294900 |
| 2017 | 310000 |
| 2018 | 310000 |