| 年度 | 实际值 |
|---|---|
| 1978 | 120.2 |
| 1979 | 112.3 |
| 1980 | 115.1 |
| 1981 | 110.5 |
| 1982 | 109.9 |
| 1983 | 106.8 |
| 1984 | 120.6 |
| 1985 | 120.8 |
| 1986 | 110.9 |
| 1987 | 110.6 |
| 1988 | 109.9 |
| 1989 | 98.4 |
| 1990 | 103.1 |
| 1991 | 117.1 |
| 1992 | 118.3 |
| 1993 | 121.3 |
| 1994 | 119.2 |
| 1995 | 116 |
| 1996 | 112.2 |
| 1997 | 110.4 |
| 1998 | 109.6 |
| 1999 | 109.5 |
| 2000 | 108.1 |
| 2001 | 108 |
| 2002 | 112 |
| 2003 | 113.9 |
| 2004 | 113.6 |
| 2005 | 111.2 |
| 2006 | 111.9 |
| 2007 | 112.9 |
| 2008 | 108.6 |
| 2009 | 107.6 |
| 2010 | 109.4 |
| 2011 | 107.1 |
| 2012 | 107.7 |
| 2013 | 107.8 |
| 2014 | 107.3 |
| 2015 | 107.6 |