| 年度 | 实际值 |
|---|---|
| 1997 | 33500 |
| 1998 | 33500 |
| 1999 | |
| 2000 | 311000 |
| 2001 | 329100 |
| 2002 | 348000 |
| 2003 | 390000 |
| 2004 | 41 |
| 2005 | 423700 |
| 2006 | 493000 |
| 2007 | 429800 |
| 2008 | 408500 |
| 2009 | |
| 2010 | 397400 |
| 2011 | 399800 |
| 2012 | 368800 |
| 2013 | 314200 |
| 2014 | 299900 |
| 2015 | 276300 |
| 2016 | 260000 |
| 2017 | 250000 |
| 2018 | 250000 |