| 年度 | 实际值 |
|---|---|
| 1992 | 32568 |
| 1993 | |
| 1994 | |
| 1995 | 12517 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 18230 |
| 2000 | 57550 |
| 2001 | 2459 |
| 2002 | 2459 |
| 2003 | 42243 |
| 2004 | 40063 |
| 2005 | 29534 |
| 2006 | 40055 |
| 2007 | 12124 |
| 2008 | 24852 |
| 2009 | 20863 |
| 2010 | 29769 |
| 2011 | 30514.7 |
| 2012 | 31721.53 |
| 2013 | 37236 |
| 2014 | 33639 |
| 2015 | 33689.6 |
| 2016 | 35183 |