| 年度 | 实际值 |
|---|---|
| 1992 | 108.9 |
| 1993 | |
| 1994 | |
| 1995 | 110 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 111 |
| 2000 | 107.9 |
| 2001 | 104.5 |
| 2002 | 104.32 |
| 2003 | 104.06 |
| 2004 | 104.29 |
| 2005 | 106.73 |
| 2006 | 107.47 |
| 2007 | 108.05 |
| 2008 | 108.98 |
| 2009 | 109.48 |
| 2010 | 109.96 |
| 2011 | 109.94 |
| 2012 | 110.06 |
| 2013 | 107.03 |
| 2014 | 107.17 |
| 2015 | 102.26 |