| 年度 | 实际值 |
|---|---|
| 1992 | 55.73 |
| 1993 | 56.43 |
| 1994 | 66.98 |
| 1995 | 103.83 |
| 1996 | 104.17 |
| 1997 | 103.28 |
| 1998 | 104.04 |
| 1999 | 104.49 |
| 2000 | 105.35 |
| 2001 | 107.58 |
| 2002 | 108.16 |
| 2003 | 108.4 |
| 2004 | 107.01 |
| 2005 | 107.4 |
| 2006 | 107.88 |
| 2007 | 108.38 |
| 2008 | 108.95 |
| 2009 | |
| 2010 | 109.59 |
| 2011 | 116.5 |
| 2012 | 115.9 |
| 2013 | 114.7 |
| 2014 | 115.7 |
| 2015 | 116.37 |
| 2016 | 118 |
| 2017 | 117 |
| 2018 | 118 |