Year Per Capita 1965 0.22464 1966 0.235 1967 0.18627 1968 0.19001 1969 0.13677 1970 0.17334 1971 0.17466 1972 0.19496 1973 0.17931 1974 0.19362 1975 0.20971 1976 0.24226 1977 0.25267 1978 0.2554 1979 0.27338 1980 0.29853 1981 0.33508 1982 0.37165 1983 0.399 1984 0.41908 1985 0.41436 1986 0.40473 1987 0.40905 1988 0.40409 1989 0.40908 1990 0.41378 1991 0.39775 1992 0.37831 1993 0.35269 1994 0.3435 1995 0.36538 1996 0.37883 1997 0.39247 1998 0.40558 1999 0.40527 2000 0.38909 2001 0.36618 2002 0.34776 2003 0.35036 2004 0.3558 2005 0.38837 2006 0.36674 2007 0.38421 2008 0.40324 2009 0.41705 2010 0.43155 2011 0.39229 2012 0.40207 2013 0.39816 2014 0.41739 2015 0.42254 2016 0.42471