| 年度 | 实际值 |
|---|---|
| 1997 | 236900 |
| 1998 | 204900 |
| 1999 | 190000 |
| 2000 | 170100 |
| 2001 | 165000 |
| 2002 | 155700 |
| 2003 | 180900 |
| 2004 | 181200 |
| 2005 | 176200 |
| 2006 | 177500 |
| 2007 | 178600 |
| 2008 | 176600 |
| 2009 | |
| 2010 | 172700 |
| 2011 | 116600 |
| 2012 | 114600 |
| 2013 | 156000 |
| 2014 | 150000 |
| 2015 | 16.23 |
| 2016 | 130000 |
| 2017 | 120000 |
| 2018 | 40000 |