| 年度 | 实际值 |
|---|---|
| 1992 | 124.56 |
| 1993 | 126.27 |
| 1994 | 126.86 |
| 1995 | 129.21 |
| 1996 | 130.68 |
| 1997 | 132.42 |
| 1998 | 134.86 |
| 1999 | 136.85 |
| 2000 | 142.42 |
| 2001 | 144.22 |
| 2002 | 144.92 |
| 2003 | 146.31 |
| 2004 | 148.83 |
| 2005 | 150.5 |
| 2006 | 151.04 |
| 2007 | 154.1 |
| 2008 | 157.74 |
| 2009 | |
| 2010 | 162.05 |
| 2011 | 164.1 |
| 2012 | 163.1 |
| 2013 | 165.9 |
| 2014 | |
| 2015 | 168.74 |
| 2016 | 170 |
| 2017 | 170 |
| 2018 | 171 |