Year 2004-2006 = 100 1961 38.86 1962 36.48 1963 39.7 1964 46.48 1965 46.77 1966 51.35 1967 48.27 1968 48.5 1969 55.14 1970 54.38 1971 55.74 1972 57.02 1973 58.38 1974 61.02 1975 69.01 1976 77.75 1977 83.96 1978 89.97 1979 90.2 1980 72.2 1981 82.04 1982 85.37 1983 85.57 1984 85.7 1985 85.9 1986 88.83 1987 87.17 1988 93.13 1989 96.01 1990 91.89 1991 88.68 1992 92.79 1993 91.5 1994 90.8 1995 96.69 1996 99.25 1997 99.59 1998 95.27 1999 100.85 2000 105.51 2001 106.61 2002 98.82 2003 93.54 2004 101.28 2005 100.41 2006 98.31 2007 97.05 2008 100.71 2009 101.8 2010 91.92 2011 92.54 2012 88.54 2013 93.26 2014 96.47 2015 92.3 2016 92.51