| 年度 | 实际值 |
|---|---|
| 1992 | 133.86 |
| 1993 | 135.78 |
| 1994 | 136.59 |
| 1995 | 137.64 |
| 1996 | 139.38 |
| 1997 | 140.47 |
| 1998 | 142.3 |
| 1999 | 142.23 |
| 2000 | 143.78 |
| 2001 | 145.61 |
| 2002 | 147.3 |
| 2003 | 148.3 |
| 2004 | 150.57 |
| 2005 | 150.82 |
| 2006 | 153.62 |
| 2007 | 156.18 |
| 2008 | 158.23 |
| 2009 | |
| 2010 | 163.16 |
| 2011 | 164.6 |
| 2012 | 166.7 |
| 2013 | 166.3 |
| 2014 | |
| 2015 | 166.73 |
| 2016 | 169 |
| 2017 | 169 |
| 2018 | 170 |