Year 2004-2006 = 100 1961 1.15 1962 1.32 1963 1.47 1964 1.73 1965 1.98 1966 2.29 1967 2.55 1968 3.05 1969 3.64 1970 3.86 1971 4.98 1972 4.34 1973 6.15 1974 8.25 1975 6.81 1976 7.82 1977 8.92 1978 9.83 1979 10.54 1980 11.71 1981 13.47 1982 12.65 1983 12.65 1984 14.02 1985 24.92 1986 33.24 1987 37.91 1988 45.87 1989 43.9 1990 33.74 1991 10 1992 10.15 1993 24.34 1994 32.05 1995 41.32 1996 45.91 1997 51.33 1998 54.95 1999 58.8 2000 67.07 2001 64.77 2002 70.12 2003 86.27 2004 88.88 2005 98.82 2006 112.29 2007 121.88 2008 121.83 2009 126.76 2010 133.44 2011 178.57 2012 165.73 2013 204.52 2014 183.73 2015 173.77 2016 185.62