Year 2004-2006 = 100 1961 20.36 1962 18.45 1963 18.3 1964 19.25 1965 20.1 1966 18.95 1967 21.27 1968 23.52 1969 22.45 1970 23.88 1971 24.45 1972 24.64 1973 25.08 1974 22.43 1975 21.55 1976 25.71 1977 24.56 1978 27.47 1979 29.22 1980 26.66 1981 25.71 1982 26.2 1983 26.18 1984 35.9 1985 35.41 1986 40.09 1987 33.19 1988 42.52 1989 44.41 1990 47.18 1991 54.12 1992 52.16 1993 59.07 1994 60.37 1995 66.7 1996 75.56 1997 79.91 1998 81.78 1999 84.86 2000 91.55 2001 91.16 2002 111.31 2003 103.07 2004 109.26 2005 104.36 2006 86.38 2007 89.63 2008 115.48 2009 115.84 2010 119.62 2011 131.93 2012 140.04 2013 154.38 2014 161.42 2015 150.96 2016 157.59