| 年度 | 实际值 |
|---|---|
| 1992 | 130.2 |
| 1993 | 131.41 |
| 1994 | 133.61 |
| 1995 | 135.09 |
| 1996 | 136.59 |
| 1997 | 137.95 |
| 1998 | 139.12 |
| 1999 | 141.05 |
| 2000 | 140.95 |
| 2001 | 142.14 |
| 2002 | 143.18 |
| 2003 | 146.53 |
| 2004 | 145.62 |
| 2005 | 145.81 |
| 2006 | 146.41 |
| 2007 | 150.22 |
| 2008 | 149.6 |
| 2009 | |
| 2010 | 150.84 |
| 2011 | 151.8 |
| 2012 | 150 |
| 2013 | 151.6 |
| 2014 | 152.3 |
| 2015 | 152.09 |
| 2016 | 152 |
| 2017 | 149 |
| 2018 | 147 |