Year 2004-2006 = 100 1961 20.12 1962 20.84 1963 22.16 1964 22.73 1965 23.72 1966 24.76 1967 25.5 1968 27.32 1969 27.29 1970 29.64 1971 30.51 1972 33.27 1973 35.24 1974 36.33 1975 38.94 1976 40.12 1977 39.62 1978 39.58 1979 39.86 1980 43.91 1981 44.28 1982 45.37 1983 38.08 1984 43.76 1985 47.86 1986 48.2 1987 50.18 1988 52.5 1989 54.62 1990 58.54 1991 59.8 1992 57.22 1993 59.97 1994 65.24 1995 70.87 1996 72.79 1997 74.6 1998 77.39 1999 77.57 2000 83.05 2001 84.58 2002 89.43 2003 94.41 2004 93.75 2005 99.79 2006 106.46 2007 112.67 2008 112.97 2009 121.21 2010 120.7 2011 123.07 2012 135.44 2013 138.27 2014 142.03 2015 147.55 2016 146.43