Year per Person 1980 88.09444 1981 84.56546 1982 85.6939 1983 94.85449 1984 105.159 1985 107.95858 1986 103.29614 1987 149.33234 1988 140.7187 1989 141.1072 1990 123.19105 1991 122.14638 1992 104.32195 1993 87.53897 1994 180.37846 1995 184.60655 1996 342.83847 1997 319.08786 1998 298.71826 1999 291.36731 2000 268.11965 2001 259.34456 2002 249.74177 2003 234.66848 2004 218.96709 2005 208.6159 2006 202.97001 2007 183.18646 2008 177.55666 2009 171.92331 2010 166.32017 2011 160.74471 2012 155.28083 2013 150.1152 2014 145.43803 2015 141.33433 2016 137.79267