| 年度 | 实际值 |
|---|---|
| 1992 | 41670 |
| 1993 | |
| 1994 | |
| 1995 | 35102 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 41016 |
| 2000 | 45150 |
| 2001 | 41420 |
| 2002 | 37980 |
| 2003 | 31940 |
| 2004 | 30920 |
| 2005 | 34120 |
| 2006 | 44520 |
| 2007 | 43506.3498148967 |
| 2008 | 44210 |
| 2009 | 44422 |
| 2010 | 4454.8 |
| 2011 | 44770 |
| 2012 | 45040 |
| 2013 | 45380 |
| 2014 | 44590 |
| 2015 | 44518 |