Year 2004-2006 = 100 1961 35.51 1962 36.2 1963 37.3 1964 37.45 1965 37.11 1966 40.12 1967 40.79 1968 42.81 1969 42.16 1970 45.19 1971 46.66 1972 48.17 1973 44.72 1974 48.86 1975 52.27 1976 55.61 1977 55.15 1978 58.48 1979 58.78 1980 61.24 1981 62.31 1982 65.23 1983 63.19 1984 67.17 1985 67.54 1986 75.45 1987 73.82 1988 78.84 1989 74.77 1990 79.54 1991 80.74 1992 81.13 1993 81.08 1994 82.66 1995 82.12 1996 87.33 1997 84.56 1998 94.19 1999 89.88 2000 94.23 2001 86.92 2002 92.46 2003 93.7 2004 94.3 2005 101.67 2006 104.03 2007 100.4 2008 105.36 2009 108.82 2010 113.44 2011 119.05 2012 126.46 2013 129.73 2014 126.42 2015 133.66 2016 134.45