Year 2004-2006 = 100 1961 20.22 1962 20.74 1963 21.66 1964 21.55 1965 21.49 1966 22.06 1967 23.82 1968 23.02 1969 24.37 1970 25.96 1971 28.99 1972 29.51 1973 31.37 1974 31.15 1975 37.43 1976 41.73 1977 42.95 1978 41.96 1979 41.14 1980 45.87 1981 47.69 1982 48.9 1983 48.3 1984 47.71 1985 52.02 1986 52.61 1987 51.41 1988 53.41 1989 54.76 1990 55.21 1991 61.15 1992 60 1993 58.43 1994 55.8 1995 50.01 1996 55.2 1997 56.94 1998 63.42 1999 70.92 2000 71.95 2001 78.38 2002 80.08 2003 87.18 2004 94.07 2005 96.66 2006 109.27 2007 115.63 2008 124.48 2009 125.9 2010 134.02 2011 131.69 2012 134.38 2013 139.83 2014 132.89 2015 134.66 2016 137.1