Year Per Capita 1965 0.00846 1966 0.00905 1967 0.00973 1968 0.01043 1969 0.0112 1970 0.01203 1971 0.00825 1972 0.01255 1973 0.02054 1974 0.02187 1975 0.03935 1976 0.03773 1977 0.03699 1978 0.02187 1979 0.03049 1980 0.03093 1981 0.02484 1982 0.03217 1983 0.02913 1984 0.02161 1985 0.02042 1986 0.01933 1987 0.0183 1988 0.01821 1989 0.01296 1990 0.01263 1991 0.01767 1992 0.01533 1993 0.01861 1994 0.01845 1995 0.01704 1996 0.01753 1997 0.01765 1998 0.02017 1999 0.01885 2000 0.01971 2001 0.01905 2002 0.01781 2003 0.01906 2004 0.01973 2005 0.0221 2006 0.02109 2007 0.02174 2008 0.0161 2009 0.01842 2010 0.01724 2011 0.01891 2012 0.0147 2013 0.01853 2014 0.02072 2015 0.02062 2016 0.02131