Year Per Capita 1965 0.22496 1966 0.23977 1967 0.26263 1968 0.28441 1969 0.32462 1970 0.34852 1971 0.36394 1972 0.37684 1973 0.4199 1974 0.43713 1975 0.44868 1976 0.45097 1977 0.45237 1978 0.50352 1979 0.53801 1980 0.54679 1981 0.57151 1982 0.54364 1983 0.62572 1984 0.62234 1985 0.64587 1986 0.65127 1987 0.69415 1988 0.74858 1989 0.74568 1990 0.54199 1991 0.4366 1992 0.46044 1993 0.43572 1994 0.45055 1995 0.46971 1996 0.47132 1997 0.42927 1998 0.35873 1999 0.30784 2000 0.33863 2001 0.34793 2002 0.40352 2003 0.43368 2004 0.43126 2005 0.41006 2006 0.44788 2007 0.48227 2008 0.46121 2009 0.36647 2010 0.34286 2011 0.40219 2012 0.37694 2013 0.28677 2014 0.28767 2015 0.29756 2016 0.27323