| 年度 | 实际值 |
|---|---|
| 1992 | 71.6 |
| 1993 | |
| 1994 | |
| 1995 | 75.5 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 89.4 |
| 2000 | 88.2 |
| 2001 | 88.6457 |
| 2002 | 89.2708 |
| 2003 | 90.2563 |
| 2004 | 90.797 |
| 2005 | 91.5696 |
| 2006 | 93.2617 |
| 2007 | 93.8933 |
| 2008 | 94.9605 |
| 2009 | 96.2621 |
| 2010 | 98 |
| 2011 | 98 |
| 2012 | 98 |
| 2013 | 99 |
| 2014 | 99 |
| 2015 | 101 |
| 2016 | 99 |
| 2017 | 99 |