| 年度 | 实际值 |
|---|---|
| 1992 | 131794 |
| 1993 | |
| 1994 | |
| 1995 | 150319 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 120577 |
| 2000 | 79575 |
| 2001 | 55288 |
| 2002 | 30638 |
| 2003 | 33407 |
| 2004 | 34788 |
| 2005 | 46366 |
| 2006 | 53293 |
| 2007 | 55535 |
| 2008 | 56893 |
| 2009 | 70844 |
| 2010 | 73863 |
| 2011 | 74073 |
| 2012 | 63162 |
| 2013 | 51397.8 |
| 2014 | 27475.3 |
| 2015 | 24000.3 |
| 2016 | 16688 |