Year 2004-2006 = 100 1961 21.26 1962 23.92 1963 24.44 1964 24.98 1965 26.7 1966 29.03 1967 29.06 1968 29.69 1969 32.18 1970 32.71 1971 35.91 1972 37.71 1973 36.67 1974 37.93 1975 41.35 1976 44.75 1977 45.15 1978 42.61 1979 41.48 1980 45.72 1981 49.97 1982 54.63 1983 56.36 1984 58.27 1985 59.7 1986 61.87 1987 61.79 1988 56.86 1989 59.52 1990 65.12 1991 67.8 1992 65.78 1993 71.7 1994 71.2 1995 77.85 1996 80.91 1997 89.47 1998 97 1999 92.6 2000 95.14 2001 98.45 2002 96.46 2003 93.32 2004 95.75 2005 100.75 2006 103.5 2007 109.93 2008 112.09 2009 116.4 2010 121.66 2011 130.45 2012 140.27 2013 136.71 2014 137.64 2015 137.35 2016 136.76