Year per Person 1980 294.11744 1981 290.49759 1982 279.59428 1983 271.13602 1984 260.08879 1985 251.59383 1986 260.93423 1987 259.57857 1988 298.11505 1989 298.08179 1990 287.89632 1991 278.55037 1992 271.82032 1993 264.5009 1994 258.53185 1995 266.33712 1996 267.82788 1997 271.39932 1998 274.67429 1999 272.55787 2000 273.10801 2001 272.72584 2002 273.04464 2003 269.48419 2004 261.79899 2005 256.83464 2006 258.99675 2007 260.32837 2008 258.37976 2009 263.05805 2010 259.25924 2011 255.04869 2012 249.53761 2013 245.45228 2014 243.45283 2015 240.33829 2016 234.98772