| 年度 | 实际值 |
|---|---|
| 1997 | 49300 |
| 1998 | 48100 |
| 1999 | 50000 |
| 2000 | 59477 |
| 2001 | 122600 |
| 2002 | 134000 |
| 2003 | 140000 |
| 2004 | 140000 |
| 2005 | 126100 |
| 2006 | 120800 |
| 2007 | 117800 |
| 2008 | 112400 |
| 2009 | |
| 2010 | 107100 |
| 2011 | 98900 |
| 2012 | 131900 |
| 2013 | 134100 |
| 2014 | 138500 |
| 2015 | 145700 |
| 2016 | 150000 |
| 2017 | 170000 |
| 2018 | 180000 |