| 年度 | 实际值 |
|---|---|
| 1992 | 63.49 |
| 1993 | 64.57 |
| 1994 | 66.92 |
| 1995 | 68.28 |
| 1996 | 69.74 |
| 1997 | 71.44 |
| 1998 | 72.13 |
| 1999 | 72.4 |
| 2000 | 75.37 |
| 2001 | 77.25 |
| 2002 | 78.64 |
| 2003 | 79.86 |
| 2004 | 92.44 |
| 2005 | 87.78 |
| 2006 | 99 |
| 2007 | 100.17 |
| 2008 | 100.68 |
| 2009 | |
| 2010 | 101.4 |
| 2011 | 102.8 |
| 2012 | 103.1 |
| 2013 | 103.9 |
| 2014 | 114.4 |
| 2015 | 105.24 |
| 2016 | 107 |
| 2017 | 108 |
| 2018 | 109 |