| 年度 | 实际值 |
|---|---|
| 1992 | 120.7 |
| 1993 | |
| 1994 | |
| 1995 | 124.5 |
| 1996 | 126.54 |
| 1997 | |
| 1998 | |
| 1999 | 131.3 |
| 2000 | 131 |
| 2001 | 135 |
| 2002 | 135 |
| 2003 | 137 |
| 2004 | 133 |
| 2005 | 134 |
| 2006 | 144 |
| 2007 | 146 |
| 2008 | 147 |
| 2009 | 149 |
| 2010 | 150 |
| 2011 | 151 |
| 2012 | 152 |
| 2013 | 153 |
| 2014 | 155 |
| 2015 | 157.5 |
| 2016 | 160.7 |
| 2017 | 163 |
| 2018 | 167.4051 |