| 年度 | 实际值 |
|---|---|
| 1992 | 133.18 |
| 1993 | 145.88 |
| 1994 | 146.1 |
| 1995 | 146.68 |
| 1996 | 148.39 |
| 1997 | 148.78 |
| 1998 | 147.3 |
| 1999 | 148.3 |
| 2000 | 150.51 |
| 2001 | 150.13 |
| 2002 | 150.93 |
| 2003 | 150.84 |
| 2004 | 151.21 |
| 2005 | 150.22 |
| 2006 | 149.95 |
| 2007 | 150.44 |
| 2008 | 150.46 |
| 2009 | |
| 2010 | 151.58 |
| 2011 | 151.2 |
| 2012 | 150.4 |
| 2013 | 149.8 |
| 2014 | |
| 2015 | 147.43 |
| 2016 | 145 |
| 2017 | 94 |
| 2018 | 141 |