Year per Person 1980 173.61226 1981 172.10746 1982 209.83456 1983 212.48801 1984 224.12167 1985 424.23467 1986 421.46214 1987 429.82237 1988 421.94691 1989 415.35558 1990 412.41485 1991 420.28774 1992 415.31712 1993 413.41881 1994 407.30367 1995 407.74309 1996 437.60416 1997 442.25485 1998 440.44852 1999 436.23134 2000 428.04319 2001 424.7247 2002 415.00253 2003 407.1986 2004 413.07185 2005 407.46607 2006 437.2745 2007 489.49299 2008 835.21774 2009 1007.56507 2010 1393.22565 2011 1377.59723 2012 1358.56646 2013 1342.27667 2014 1331.01298 2015 1317.27991 2016 1300.04433