| 年度 | 实际值 |
|---|---|
| 1983 | 109 |
| 1984 | 134.3 |
| 1985 | 122.8 |
| 1986 | 114.7 |
| 1987 | 113.6 |
| 1988 | 120.8 |
| 1989 | 105.8 |
| 1990 | 104.8 |
| 1991 | 111.3 |
| 1992 | 129.6 |
| 1993 | 176.2 |
| 1994 | 122.2 |
| 1995 | 119.8 |
| 1996 | 118.8 |
| 1997 | 121.1 |
| 1998 | 111.1 |
| 1999 | 115.2 |
| 2000 | 113.1 |
| 2001 | 113.8 |
| 2002 | 116.6 |
| 2003 | 117 |
| 2004 | 113.4 |
| 2005 | 112.3 |
| 2006 | 114.6 |
| 2007 | 115.3 |
| 2008 | 108 |
| 2009 | 108 |
| 2010 | 112.8 |
| 2011 | 109.1 |
| 2012 | 105.7 |
| 2013 | 108.7 |
| 2014 | 108.6 |
| 2015 | 108.5 |