Year Per Capita 1965 0.31887 1966 0.32081 1967 0.33277 1968 0.3537 1969 0.36116 1970 0.37673 1971 0.38551 1972 0.41793 1973 0.43046 1974 0.48084 1975 0.52488 1976 0.566 1977 0.5684 1978 0.62918 1979 0.65952 1980 0.71216 1981 0.76094 1982 0.76793 1983 0.73316 1984 0.76575 1985 0.78218 1986 0.76988 1987 0.79166 1988 0.77428 1989 0.81059 1990 0.83189 1991 0.85012 1992 0.84233 1993 0.82283 1994 0.88156 1995 0.79483 1996 0.80305 1997 0.82122 1998 0.85154 1999 0.83835 2000 0.86647 2001 0.84031 2002 0.79335 2003 0.80422 2004 0.82682 2005 0.83741 2006 0.81446 2007 0.82287 2008 0.80621 2009 0.7665 2010 0.75496 2011 0.75829 2012 0.7638 2013 0.73304 2014 0.68763 2015 0.67034 2016 0.64952