| 年度 | 实际值 |
|---|---|
| 1997 | 298200 |
| 1998 | 270000 |
| 1999 | 260000 |
| 2000 | 239400 |
| 2001 | 223000 |
| 2002 | 212800 |
| 2003 | 207100 |
| 2004 | 220000 |
| 2005 | 265800 |
| 2006 | 281000 |
| 2007 | 258000 |
| 2008 | 253600 |
| 2009 | |
| 2010 | 256700 |
| 2011 | 209700 |
| 2012 | 302000 |
| 2013 | 357700 |
| 2014 | 96300 |
| 2015 | 32.07 |
| 2016 | 330000 |
| 2017 | 340000 |
| 2018 | 340000 |