Year Dollars 2002-01-01 325510 2003-01-01 195134 2004-01-01 1019607 2005-01-01 1449286 2006-01-01 1061548 2007-01-01 1047103 2008-01-01 1404896 2009-01-01 3651990 2010-01-01 4244243 2011-01-01 6726764 2012-01-01 6402399 2013-01-01 3613529 2014-01-01 3160195 2015-01-01 1980370 2016-01-01 413857