Year Per Capita 1965 2.06444 1966 2.20764 1967 2.22978 1968 2.36968 1969 2.55924 1970 2.80804 1971 2.73716 1972 3.01387 1973 3.07419 1974 2.60919 1975 2.54529 1976 2.84055 1977 2.70613 1978 2.74348 1979 2.95054 1980 2.74186 1981 2.54644 1982 2.20395 1983 2.07005 1984 2.03304 1985 2.03873 1986 2.24723 1987 2.24782 1988 2.37552 1989 2.32825 1990 2.41964 1991 2.37147 1992 2.46066 1993 2.4273 1994 2.42356 1995 2.50041 1996 2.46208 1997 2.57341 1998 2.57373 1999 2.61804 2000 2.67911 2001 2.79983 2002 2.77201 2003 2.78119 2004 2.89013 2005 3.05844 2006 3.08816 2007 3.06881 2008 2.85399 2009 2.76173 2010 2.74976 2011 2.753 2012 2.60318 2013 2.46067 2014 2.34592 2015 2.28674 2016 2.35146