| 年度 | 实际值 |
|---|---|
| 1997 | 576000 |
| 1998 | 492400 |
| 1999 | 450000 |
| 2000 | 434200 |
| 2001 | 444600 |
| 2002 | 420700 |
| 2003 | 399600 |
| 2004 | 428400 |
| 2005 | 381500 |
| 2006 | 388000 |
| 2007 | 377700 |
| 2008 | 386600 |
| 2009 | |
| 2010 | 341000 |
| 2011 | 335900 |
| 2012 | 348900 |
| 2013 | 352800 |
| 2014 | 313400 |
| 2015 | 31.43 |
| 2016 | 310000 |
| 2017 | 300000 |
| 2018 | 320000 |