Year per Person 1997 488.81843 1998 460.73878 1999 470.09806 2000 464.89351 2001 460.00947 2002 455.42713 2003 450.95292 2004 446.38366 2005 441.57277 2006 436.48112 2007 431.10081 2008 1338.55927 2009 1319.26437 2010 1798.33347 2011 3040.37776 2012 2986.253 2013 2931.47372 2014 2877.86433 2015 2826.6482 2016 2778.09762