Year 2004-2006 = 100 1961 44.72 1962 43.36 1963 46.1 1964 45.26 1965 46.33 1966 43.98 1967 45.94 1968 52.88 1969 57.62 1970 55.29 1971 59.34 1972 61.2 1973 63.63 1974 62.48 1975 63.81 1976 66.57 1977 70.55 1978 67.5 1979 64.68 1980 64.29 1981 63.83 1982 62.95 1983 70.07 1984 70.26 1985 74.73 1986 75.85 1987 76.12 1988 77.24 1989 79.61 1990 79.33 1991 84.19 1992 91.97 1993 91.85 1994 98.87 1995 95.93 1996 112.25 1997 103.56 1998 112.34 1999 111.39 2000 107.76 2001 107.14 2002 105.53 2003 104.12 2004 100.72 2005 97.02 2006 102.26 2007 98.22 2008 105.74 2009 96.53 2010 97.95 2011 94.98 2012 90.74 2013 91.96 2014 95.25 2015 92.85 2016 90.31