| 年度 | 实际值 |
|---|---|
| 1997 | 35500 |
| 1998 | 36900 |
| 1999 | 40000 |
| 2000 | 46100 |
| 2001 | 52000 |
| 2002 | 80800 |
| 2003 | 90000 |
| 2004 | 90000 |
| 2005 | 130700 |
| 2006 | 101100 |
| 2007 | 102200 |
| 2008 | 103900 |
| 2009 | |
| 2010 | 106100 |
| 2011 | 100300 |
| 2012 | 94100 |
| 2013 | 87000 |
| 2014 | 84800 |
| 2015 | 153200 |
| 2016 | 160000 |
| 2017 | 160000 |
| 2018 | 150000 |