Year 2004-2006 = 100 1961 2.61 1962 2.61 1963 2.61 1964 2.88 1965 3.56 1966 3.75 1967 3.97 1968 4.2 1969 4.2 1970 4.47 1971 4.47 1972 4.93 1973 5.24 1974 5.83 1975 5.96 1976 6.59 1977 7.12 1978 7.82 1979 11.14 1980 38.74 1981 39.84 1982 42.99 1983 43.19 1984 49.16 1985 52.04 1986 56.63 1987 56.09 1988 51.06 1989 56.35 1990 77.13 1991 77.24 1992 80.21 1993 80.94 1994 83.3 1995 85.42 1996 86.45 1997 89.03 1998 90.38 1999 93.55 2000 96.25 2001 99.52 2002 103.52 2003 96.54 2004 100.79 2005 102.13 2006 97.08 2007 103.33 2008 106.91 2009 111.86 2010 112.78 2011 118.52 2012 133.3 2013 127.15 2014 125.72 2015 127.41 2016 129.32