Year Per Capita 1965 0.4948 1966 0.52126 1967 0.5656 1968 0.57463 1969 0.60566 1970 0.57552 1971 0.51519 1972 0.49621 1973 0.51718 1974 0.54082 1975 0.49964 1976 0.48312 1977 0.45123 1978 0.40491 1979 0.42876 1980 0.49409 1981 0.54966 1982 0.5204 1983 0.50945 1984 0.56612 1985 0.58748 1986 0.55658 1987 0.56539 1988 0.60858 1989 0.60722 1990 0.62681 1991 0.61971 1992 0.60729 1993 0.61747 1994 0.64478 1995 0.66668 1996 0.68269 1997 0.69988 1998 0.66603 1999 0.69955 2000 0.74878 2001 0.76554 2002 0.81202 2003 0.83339 2004 0.85443 2005 0.88861 2006 0.87478 2007 0.91599 2008 0.9359 2009 0.79048 2010 0.9001 2011 0.85296 2012 0.90184 2013 0.94418 2014 0.92968 2015 0.93682 2016 0.93888