| 年度 | 实际值 |
|---|---|
| 1992 | 100.5 |
| 1993 | |
| 1994 | |
| 1995 | 104.2 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 108.5 |
| 2000 | 108.1 |
| 2001 | 107 |
| 2002 | 106.8 |
| 2003 | 107 |
| 2004 | 108 |
| 2005 | 109 |
| 2006 | 109 |
| 2007 | 110 |
| 2008 | 111 |
| 2009 | 112 |
| 2010 | 113 |
| 2011 | 113 |
| 2012 | 111 |
| 2013 | 112 |
| 2014 | 112 |
| 2015 | 111.7 |
| 2016 | 109.2667 |
| 2017 | 108.6 |
| 2018 | 107.8115 |