Year 2004-2006 = 100 1961 25.56 1962 26.82 1963 29.79 1964 31.78 1965 32.74 1966 34.47 1967 36.33 1968 37.09 1969 39.03 1970 39.66 1971 39.94 1972 41.82 1973 42.45 1974 45.51 1975 48.96 1976 50.68 1977 50.64 1978 53.06 1979 54.8 1980 58.48 1981 59.88 1982 63.68 1983 70.51 1984 75 1985 80.13 1986 70.14 1987 68.35 1988 64.52 1989 61.38 1990 62.76 1991 69.55 1992 71.52 1993 72.48 1994 77.69 1995 74.02 1996 77.96 1997 78.67 1998 82.97 1999 81.89 2000 81.45 2001 86.35 2002 90.33 2003 89.69 2004 97.41 2005 100.57 2006 102.02 2007 104.87 2008 103.16 2009 111.81 2010 119.56 2011 127.27 2012 129.95 2013 132.87 2014 133.91 2015 135.42 2016 136.32