Year 2004-2006 = 100 1961 20.58 1962 21.57 1963 20.81 1964 21.27 1965 21.64 1966 21.59 1967 22.8 1968 23.56 1969 24.43 1970 25.39 1971 25.91 1972 26.9 1973 27.94 1974 28.86 1975 29.23 1976 31.21 1977 32.42 1978 34.58 1979 35.29 1980 35.25 1981 36.76 1982 38.75 1983 39.94 1984 41.21 1985 42.23 1986 44.86 1987 45.7 1988 46.09 1989 49.38 1990 52.83 1991 55.48 1992 59.41 1993 62.59 1994 66.53 1995 67.7 1996 71.18 1997 73.85 1998 76.28 1999 76.64 2000 81.39 2001 83.87 2002 84.16 2003 90.11 2004 94.95 2005 101.41 2006 103.64 2007 107.94 2008 99.03 2009 105.16 2010 101.7 2011 104.21 2012 110.25 2013 111.72 2014 112.68 2015 106.37 2016 108.9