Year 2004-2006 = 100 1961 35.73 1962 36.2 1963 33.88 1964 35.46 1965 34.68 1966 37.67 1967 39.53 1968 40.64 1969 40.25 1970 41.81 1971 43.27 1972 41.2 1973 41.58 1974 41.9 1975 42.71 1976 44.55 1977 44.98 1978 45.14 1979 46.56 1980 47.02 1981 47.31 1982 47.87 1983 48.24 1984 50.76 1985 51.78 1986 52.2 1987 52.77 1988 54.18 1989 57.6 1990 60.72 1991 64.32 1992 68.03 1993 69.06 1994 72.97 1995 73.04 1996 74.01 1997 76.04 1998 78.86 1999 81.6 2000 86.59 2001 85.21 2002 89.21 2003 93.26 2004 96.93 2005 100.64 2006 102.43 2007 106.53 2008 111.3 2009 110.12 2010 117.39 2011 123.26 2012 125.98 2013 131.01 2014 128.2 2015 131.11 2016 133.94