| 年度 | 实际值 |
|---|---|
| 1992 | 89.2 |
| 1993 | 90.02 |
| 1994 | 90.81 |
| 1995 | 90.99 |
| 1996 | 91.38 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | 93.12 |
| 2001 | 93.52 |
| 2002 | 93.93 |
| 2003 | 94.57 |
| 2004 | 94.78 |
| 2005 | 94.96 |
| 2006 | 96.23 |
| 2007 | 97.92 |
| 2008 | 98.88 |
| 2009 | |
| 2010 | 99.89 |
| 2011 | 101.3 |
| 2012 | 101.9 |
| 2013 | 102.5 |
| 2014 | 102.6 |
| 2015 | 100.84 |
| 2016 | 101 |
| 2017 | 101 |
| 2018 | 101 |