Year Per Capita 1965 0.11507 1966 0.1339 1967 0.1537 1968 0.18129 1969 0.19712 1970 0.20349 1971 0.23597 1972 0.26099 1973 0.31178 1974 0.29541 1975 0.31777 1976 0.35096 1977 0.38771 1978 0.40238 1979 0.3503 1980 0.3501 1981 0.33689 1982 0.35252 1983 0.36205 1984 0.35266 1985 0.36197 1986 0.38328 1987 0.42353 1988 0.44308 1989 0.40783 1990 0.42523 1991 0.40755 1992 0.42367 1993 0.47804 1994 0.44899 1995 0.49562 1996 0.50977 1997 0.49408 1998 0.48583 1999 0.47527 2000 0.48945 2001 0.44934 2002 0.4738 2003 0.46079 2004 0.46418 2005 0.45241 2006 0.46622 2007 0.46839 2008 0.45616 2009 0.45711 2010 0.43957 2011 0.42372 2012 0.42382 2013 0.44137 2014 0.4456 2015 0.4969 2016 0.51781