| 年度 | 实际值 |
|---|---|
| 1997 | 281300 |
| 1998 | 222700 |
| 1999 | 210000 |
| 2000 | 202700 |
| 2001 | 195000 |
| 2002 | 195000 |
| 2003 | 173200 |
| 2004 | 173900 |
| 2005 | 167200 |
| 2006 | 160900 |
| 2007 | 175200 |
| 2008 | 184500 |
| 2009 | |
| 2010 | 191800 |
| 2011 | 235700 |
| 2012 | 225000 |
| 2013 | 243400 |
| 2014 | 239900 |
| 2015 | 25.15 |
| 2016 | 250000 |
| 2017 | 230000 |
| 2018 | 220000 |