Year 2004-2006 = 100 1961 37.91 1962 28.58 1963 31.6 1964 44.66 1965 40 1966 33.25 1967 38.62 1968 20.11 1969 21.08 1970 16.74 1971 21.51 1972 24.74 1973 16.07 1974 25.75 1975 18.58 1976 17.73 1977 19.92 1978 29.07 1979 22.44 1980 30.1 1981 29.15 1982 30.29 1983 34.28 1984 36.45 1985 43.36 1986 40.34 1987 43.85 1988 49.06 1989 42.93 1990 57.17 1991 52.12 1992 68.71 1993 59.73 1994 69.25 1995 70.43 1996 66.02 1997 67.23 1998 74.78 1999 64.18 2000 77.15 2001 70.9 2002 89.29 2003 86.3 2004 97.95 2005 100.77 2006 101.28 2007 102.07 2008 105.81 2009 112.66 2010 126.88 2011 129.53 2012 128 2013 133.02 2014 134.89 2015 150.33 2016 145.5