Year Per Capita 1965 0.28111 1966 0.29742 1967 0.31469 1968 0.33303 1969 0.35639 1970 0.37575 1971 0.39978 1972 0.42405 1973 0.45522 1974 0.43147 1975 0.44574 1976 0.439 1977 0.42385 1978 0.4342 1979 0.40149 1980 0.40265 1981 0.42508 1982 0.41956 1983 0.41285 1984 0.43857 1985 0.4185 1986 0.39498 1987 0.40877 1988 0.44131 1989 0.4477 1990 0.44177 1991 0.43504 1992 0.43892 1993 0.44672 1994 0.45569 1995 0.476 1996 0.48181 1997 0.48105 1998 0.48037 1999 0.47973 2000 0.48091 2001 0.48434 2002 0.49017 2003 0.50123 2004 0.5134 2005 0.50856 2006 0.51162 2007 0.51653 2008 0.48457 2009 0.47355 2010 0.49664 2011 0.49247 2012 0.50041 2013 0.50705 2014 0.49546 2015 0.50402 2016 0.48096