| 年度 | 实际值 |
|---|---|
| 1992 | 65.78 |
| 1993 | 125.78 |
| 1994 | 128.47 |
| 1995 | 130.55 |
| 1996 | 131.75 |
| 1997 | 132.59 |
| 1998 | 133.59 |
| 1999 | 134.89 |
| 2000 | 138.94 |
| 2001 | 140.04 |
| 2002 | 141.05 |
| 2003 | 141.96 |
| 2004 | 143.77 |
| 2005 | 145.68 |
| 2006 | 148.85 |
| 2007 | 152.9 |
| 2008 | 155.17 |
| 2009 | |
| 2010 | 159.07 |
| 2011 | 172.6 |
| 2012 | 173.5 |
| 2013 | 174.4 |
| 2014 | |
| 2015 | 161.51 |
| 2016 | 163 |
| 2017 | 164 |
| 2018 | 163 |