| 年度 | 实际值 |
|---|---|
| 1992 | 84.6 |
| 1993 | |
| 1994 | |
| 1995 | 87 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 87.52 |
| 2000 | 884879 |
| 2001 | 884502 |
| 2002 | 72.46 |
| 2003 | 84.1178 |
| 2004 | 66.5243 |
| 2005 | 66.7569 |
| 2006 | 67.05 |
| 2007 | 67.4 |
| 2008 | 67.89 |
| 2009 | 69.0996 |
| 2010 | 69.8995 |
| 2011 | 70.2921 |
| 2012 | 70.62 |
| 2013 | 71.61 |
| 2014 | 72.84 |
| 2015 | 52.06 |
| 2016 | 52.32 |