Year 2004-2006 = 100 1961 69.91 1962 70.68 1963 69.82 1964 69.82 1965 72.26 1966 71.59 1967 71.07 1968 70.06 1969 67.35 1970 65.37 1971 65.81 1972 65.42 1973 67.22 1974 69.64 1975 69.68 1976 70.28 1977 71.75 1978 74.46 1979 77.66 1980 78.72 1981 78.38 1982 79.07 1983 82.72 1984 81.46 1985 81.63 1986 83.96 1987 81.9 1988 80.92 1989 80.57 1990 81.86 1991 83.98 1992 86.75 1993 91 1994 91.1 1995 91.45 1996 91.48 1997 92.42 1998 95.82 1999 96.06 2000 95.25 2001 97.12 2002 99.05 2003 99.18 2004 100.52 2005 100.44 2006 99.04 2007 101.98 2008 100.63 2009 98.66 2010 102.15 2011 103.16 2012 102.55 2013 98.69 2014 99.23 2015 100.3 2016 100.31