| 年度 | 实际值 |
|---|---|
| 1992 | 30.99 |
| 1993 | 32.5 |
| 1994 | 38.92 |
| 1995 | 40.15 |
| 1996 | 41.23 |
| 1997 | 41.97 |
| 1998 | 42.79 |
| 1999 | 43.21 |
| 2000 | 43.54 |
| 2001 | 43.8535 |
| 2002 | 57.9724 |
| 2003 | 132.4511 |
| 2004 | 133.0761 |
| 2005 | 133.828 |
| 2006 | 134.7027 |
| 2007 | 135.5782 |
| 2008 | 136.5841 |
| 2009 | 137.5667 |
| 2010 | 137.57 |
| 2011 | 139 |
| 2012 | 139 |
| 2013 | 139.5 |
| 2014 | 139.9 |
| 2015 | 140.39 |
| 2016 | 142 |
| 2017 | 143 |
| 2018 | 145 |