Year 2004-2006 = 100 1961 39.58 1962 42.59 1963 40.66 1964 39.61 1965 39.88 1966 46.98 1967 51.82 1968 44.43 1969 56.38 1970 53.82 1971 68.46 1972 78.53 1973 63.91 1974 77.26 1975 71.39 1976 77.82 1977 79.33 1978 78.61 1979 66.88 1980 67.04 1981 82.04 1982 74.33 1983 61.61 1984 67.57 1985 91.27 1986 87.47 1987 73.37 1988 94.66 1989 87.41 1990 88.83 1991 83.63 1992 56.97 1993 77.94 1994 85.83 1995 66.92 1996 84.09 1997 84.48 1998 82.36 1999 90.18 2000 94.53 2001 99.91 2002 77.81 2003 88.49 2004 109.29 2005 89.34 2006 101.37 2007 99.22 2008 84.22 2009 84.03 2010 91.92 2011 88.43 2012 94.08 2013 92.05 2014 91.23 2015 83.42 2016 88.75