Year Per Capita 1980 191.84486 1981 195.02243 1982 176.25768 1983 144.80713 1984 132.26727 1985 131.03036 1986 127.22763 1987 142.70867 1988 157.71935 1989 163.66914 1990 167.1686 1991 170.53909 1992 152.65839 1993 160.53224 1994 163.65818 1995 164.47316 1996 204.91136 1997 221.75993 1998 242.19301 1999 258.00773 2000 248.47883 2001 271.69206 2002 263.89525 2003 298.25668 2004 307.42834 2005 323.68707 2006 334.18491 2007 353.28579 2008 369.12964 2009 393.86249 2010 405.14963 2011 429.66489 2012 451.46813 2013 470.31679 2014 486.63794 2015 499.42829 2016 501.48996 2017 498.93454