| 年度 | 实际值 |
|---|---|
| 1986 | 115.6 |
| 1987 | 126.5 |
| 1988 | 133.9 |
| 1989 | 106.4 |
| 1990 | 104.2 |
| 1991 | 128.7 |
| 1992 | 125.4 |
| 1993 | 172.7 |
| 1994 | 114.7 |
| 1995 | 131.1 |
| 1996 | 127.7 |
| 1997 | 115.9 |
| 1998 | 114.7 |
| 1999 | 113 |
| 2000 | 109.9 |
| 2001 | 111.7 |
| 2002 | 110.9 |
| 2003 | 113.3 |
| 2004 | 111.3 |
| 2005 | 112 |
| 2006 | 113.5 |
| 2007 | 111 |
| 2008 | 106.3 |
| 2009 | 107.6 |
| 2010 | 108.2 |
| 2011 | 107.7 |
| 2012 | 103.7 |
| 2013 | 104.7 |
| 2014 | 105 |
| 2015 | 107.5 |