Year Per Capita 1965 0.03573 1966 0.03687 1967 0.03563 1968 0.02823 1969 0.03708 1970 0.04087 1971 0.03313 1972 0.02906 1973 0.03014 1974 0.03799 1975 0.04036 1976 0.04056 1977 0.03165 1978 0.04455 1979 0.03468 1980 0.03324 1981 0.02972 1982 0.02906 1983 0.02604 1984 0.01726 1985 0.01978 1986 0.029 1987 0.03171 1988 0.03243 1989 0.03201 1990 0.0287 1991 0.02211 1992 0.01931 1993 0.02254 1994 0.03135 1995 0.02775 1996 0.02577 1997 0.02361 1998 0.02016 1999 0.02008 2000 0.01658 2001 0.01773 2002 0.0148 2003 0.01777 2004 0.02774 2005 0.0288 2006 0.02667 2007 0.03053 2008 0.03447 2009 0.0234 2010 0.03079 2011 0.03716 2012 0.03111 2013 0.02945 2014 0.03464 2015 0.03132 2016 0.02411