| 年度 | 实际值 |
|---|---|
| 1978 | 118.7 |
| 1979 | 110.8 |
| 1980 | 97.3 |
| 1981 | 104.7 |
| 1982 | 116.5 |
| 1983 | 93.9 |
| 1984 | 119.3 |
| 1985 | 101.9 |
| 1986 | 104 |
| 1987 | 101 |
| 1988 | 99 |
| 1989 | 100.2 |
| 1990 | 102.7 |
| 1991 | 107.9 |
| 1992 | 100.6 |
| 1993 | 104.8 |
| 1994 | 104.4 |
| 1995 | 107.5 |
| 1996 | 104.4 |
| 1997 | 104.5 |
| 1998 | 103.2 |
| 1999 | 103.3 |
| 2000 | 104.5 |
| 2001 | 104.8 |
| 2002 | 104.5 |
| 2003 | 103.6 |
| 2004 | 103.7 |
| 2005 | 101.5 |
| 2006 | 103.2 |
| 2007 | 102.3 |
| 2008 | 103.9 |
| 2009 | 102.3 |
| 2010 | 103.2 |
| 2011 | 103.6 |
| 2012 | 102 |
| 2013 | 100.4 |
| 2014 | 101.4 |
| 2015 | 101.5 |