| 年度 | 实际值 |
|---|---|
| 1978 | 121.9 |
| 1979 | 113.6 |
| 1980 | 116.4 |
| 1981 | 111.5 |
| 1982 | 111.4 |
| 1983 | 108 |
| 1984 | 121.7 |
| 1985 | 121.7 |
| 1986 | 112.1 |
| 1987 | 111.8 |
| 1988 | 111.2 |
| 1989 | 99.4 |
| 1990 | 103.9 |
| 1991 | 117.8 |
| 1992 | 119 |
| 1993 | 122 |
| 1994 | 120 |
| 1995 | 116.8 |
| 1996 | 112.7 |
| 1997 | 111.1 |
| 1998 | 110.2 |
| 1999 | 110 |
| 2000 | 111 |
| 2001 | 110.6 |
| 2002 | 112.6 |
| 2003 | 114.7 |
| 2004 | 114.5 |
| 2005 | 112.8 |
| 2006 | 113.9 |
| 2007 | 114.7 |
| 2008 | 110.1 |
| 2009 | 108.9 |
| 2010 | 111.8 |
| 2011 | 109 |
| 2012 | 108 |
| 2013 | 108.2 |
| 2014 | 107.6 |
| 2015 | 108 |