Year 2004-2006 = 100 1961 9.58 1962 10.94 1963 12.64 1964 15.06 1965 18.98 1966 20.54 1967 14.02 1968 14.96 1969 15.04 1970 14.81 1971 20.06 1972 19.3 1973 21.62 1974 17.66 1975 20.61 1976 18.84 1977 20.86 1978 21.63 1979 22.35 1980 23.61 1981 24.44 1982 25.53 1983 32.52 1984 39.88 1985 45.33 1986 45.83 1987 45.7 1988 43.99 1989 38.02 1990 44.91 1991 56.21 1992 68.81 1993 79.44 1994 74.17 1995 78.27 1996 80.2 1997 84.31 1998 81.45 1999 83.79 2000 83.81 2001 85.31 2002 82.85 2003 93.87 2004 99.53 2005 100.55 2006 99.92 2007 114.91 2008 128.93 2009 128.14 2010 139.9 2011 140.08 2012 144.93 2013 147.44 2014 153.86 2015 156.39 2016 152.42