Year 2004-2006 = 100 1961 23.31 1962 24.67 1963 24.82 1964 24.47 1965 29.29 1966 26.84 1967 29.56 1968 29.61 1969 30.41 1970 31.12 1971 33.58 1972 34.71 1973 32.75 1974 36.25 1975 36.6 1976 37.55 1977 41.21 1978 39.41 1979 41.11 1980 45.45 1981 47.54 1982 48.78 1983 47.47 1984 52.22 1985 58.65 1986 53.93 1987 59.99 1988 60.94 1989 63.55 1990 59.02 1991 60.09 1992 64.06 1993 62.89 1994 68.28 1995 70.17 1996 65.71 1997 70.41 1998 71.17 1999 75.81 2000 77.55 2001 82.35 2002 87.29 2003 95.49 2004 98.99 2005 97.95 2006 103.06 2007 112.28 2008 121.77 2009 118.93 2010 126.69 2011 135.56 2012 130.91 2013 140.64 2014 142.82 2015 148.49 2016 142.65