| 年度 | 实际值 |
|---|---|
| 1997 | 281300 |
| 1998 | 229200 |
| 1999 | 200000 |
| 2000 | 202000 |
| 2001 | 183700 |
| 2002 | 177400 |
| 2003 | 168800 |
| 2004 | 160700 |
| 2005 | 156100 |
| 2006 | 158100 |
| 2007 | 153200 |
| 2008 | 152900 |
| 2009 | |
| 2010 | 146200 |
| 2011 | 163900 |
| 2012 | 174000 |
| 2013 | 169100 |
| 2014 | 182000 |
| 2015 | 23.48 |
| 2016 | 270000 |
| 2017 | 170000 |
| 2018 | 190000 |