| 年度 | 实际值 |
|---|---|
| 1992 | 125.15 |
| 1993 | 126.31 |
| 1994 | 127.65 |
| 1995 | 129.04 |
| 1996 | 130.56 |
| 1997 | 131.68 |
| 1998 | 131.67 |
| 1999 | 132.34 |
| 2000 | 133.1 |
| 2001 | 132.7 |
| 2002 | 132.98 |
| 2003 | 132.92 |
| 2004 | 130.66 |
| 2005 | 130.3 |
| 2006 | 129.97 |
| 2007 | 129.92 |
| 2008 | 129.68 |
| 2009 | 129.72 |
| 2010 | 128.7 |
| 2011 | 128.51 |
| 2012 | 127.87 |
| 2013 | 127.13 |
| 2014 | 126.26 |
| 2015 | 125.37 |
| 2016 | 122 |
| 2017 | 120 |
| 2018 | 118 |