| 年度 | 实际值 |
|---|---|
| 1997 | 256900 |
| 1998 | 230300 |
| 1999 | 220000 |
| 2000 | 229000 |
| 2001 | 209400 |
| 2002 | 201100 |
| 2003 | 196600 |
| 2004 | 187800 |
| 2005 | 192900 |
| 2006 | 194300 |
| 2007 | 180300 |
| 2008 | 168200 |
| 2009 | |
| 2010 | 187400 |
| 2011 | 182100 |
| 2012 | 178200 |
| 2013 | 187300 |
| 2014 | 198500 |
| 2015 | 19.47 |
| 2016 | 180000 |
| 2017 | 170000 |
| 2018 | 150000 |