Year 2004-2006 = 100 1961 22.26 1962 26.62 1963 26.96 1964 30.52 1965 25.78 1966 35.79 1967 27.77 1968 40.1 1969 33.53 1970 32.83 1971 35.34 1972 31.87 1973 38.97 1974 37.75 1975 40.88 1976 39.92 1977 36.3 1978 50.61 1979 48.65 1980 41.57 1981 51.68 1982 40.28 1983 60.38 1984 59.84 1985 58.66 1986 58.41 1987 51.95 1988 57.51 1989 58.71 1990 59.46 1991 56.17 1992 67.34 1993 69.05 1994 54.3 1995 72.52 1996 87.13 1997 85.51 1998 92.93 1999 100.81 2000 96.4 2001 97.6 2002 100.63 2003 64.65 2004 100.44 2005 96.5 2006 103.06 2007 62.79 2008 74.79 2009 88.68 2010 90.97 2011 107.76 2012 120.76 2013 110.85 2014 109.06 2015 110.24 2016 107.12