Year per Person 1980 2185.20389 1981 1896.39887 1982 1684.12666 1983 1467.66663 1984 1797.60144 1985 1654.0863 1986 1542.47459 1987 1453.328 1988 1383.07413 1989 1328.94537 1990 856.85693 1991 837.44151 1992 859.11159 1993 848.75051 1994 941.44095 1995 982.90989 1996 966.2572 1997 3189.25269 1998 3341.66742 1999 3138.56988 2000 3884.49601 2001 3722.61714 2002 5829.84888 2003 5351.52094 2004 4828.83555 2005 4401.76537 2006 3703.81737 2007 3132.77893 2008 2634.35583 2009 2221.37241 2010 1891.85987 2011 1670.01528 2012 1631.25133 2013 1519.05542 2014 1476.63997 2015 1387.55893 2016 1339.90047