年度 | 实际值 |
---|---|
1978 | 7 |
1979 | |
1980 | 7.4 |
1981 | |
1982 | |
1983 | |
1984 | |
1985 | 6.8 |
1986 | |
1987 | |
1988 | |
1989 | |
1990 | 7 |
1991 | |
1992 | |
1993 | |
1994 | |
1995 | 7.6 |
1996 | |
1997 | |
1998 | |
1999 | 7.8 |
2000 | 7.7 |
2001 | 7.6 |
2002 | 7.7 |
2003 | 7.8 |
2004 | 7.9 |
2005 | 10.2 |
2006 | 10.3 |
2007 | 10.3 |
2008 | 10.4 |
2009 | 10.4 |
2010 | 10.5 |
2011 | 10.52 |
2012 | 10.56 |
2013 | 10.61 |
2014 | 10.71 |