Year 2004-2006 = 100 1961 16.38 1962 17.55 1963 18.16 1964 18.29 1965 20.05 1966 22.23 1967 23.19 1968 26.46 1969 29.54 1970 31.85 1971 34.74 1972 34.86 1973 37.48 1974 34.71 1975 37.08 1976 36.54 1977 37.4 1978 39.32 1979 39.38 1980 39.11 1981 40.29 1982 38.96 1983 41.68 1984 43.42 1985 40.69 1986 42.8 1987 44.08 1988 46.76 1989 57.01 1990 62.1 1991 63.66 1992 69.23 1993 69.56 1994 70.88 1995 74.39 1996 79.93 1997 81.2 1998 86.51 1999 88.94 2000 89.45 2001 90.01 2002 85.44 2003 89.56 2004 91.85 2005 96.64 2006 111.51 2007 106.81 2008 103 2009 103.66 2010 109.69 2011 115.64 2012 122.66 2013 124.8 2014 129.95 2015 124.98 2016 130.32