| 年度 | 实际值 |
|---|---|
| 1992 | 33264 |
| 1993 | |
| 1994 | |
| 1995 | 15124 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 8143 |
| 2000 | 38909 |
| 2001 | 3782 |
| 2002 | 3782 |
| 2003 | 31964 |
| 2004 | 36034 |
| 2005 | 35828 |
| 2006 | 35826 |
| 2007 | 40399 |
| 2008 | 33724 |
| 2009 | 34643 |
| 2010 | 39035 |
| 2011 | 38366.3 |
| 2012 | 38865 |
| 2013 | 44970 |
| 2014 | 50465 |
| 2015 | 55358.6 |
| 2016 | 57820 |