| 年度 | 实际值 |
|---|---|
| 1992 | 40925 |
| 1993 | |
| 1994 | |
| 1995 | 44249 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 26849 |
| 2000 | 29619 |
| 2001 | 24237 |
| 2002 | 24237 |
| 2003 | 29977 |
| 2004 | 39842 |
| 2005 | 26831 |
| 2006 | 33088 |
| 2007 | 36089 |
| 2008 | 21866 |
| 2009 | 37912 |
| 2010 | 48338 |
| 2011 | 52199.9 |
| 2012 | 56646 |
| 2013 | 60123 |
| 2014 | 73600 |
| 2015 | 39853.1 |
| 2016 | 82507 |