| 年度 | 实际值 |
|---|---|
| 1997 | 201900 |
| 1998 | 184000 |
| 1999 | 170000 |
| 2000 | 168700 |
| 2001 | 162200 |
| 2002 | 145600 |
| 2003 | 144200 |
| 2004 | 144200 |
| 2005 | 147700 |
| 2006 | 145900 |
| 2007 | 145600 |
| 2008 | 141400 |
| 2009 | |
| 2010 | 135100 |
| 2011 | 136500 |
| 2012 | 137000 |
| 2013 | 180100 |
| 2014 | 193700 |
| 2015 | 170900 |
| 2016 | 180000 |
| 2017 | 190000 |
| 2018 | 160000 |