Year Dollars 2002-01-01 918385 2003-01-01 633227 2004-01-01 451004 2005-01-01 1377883 2006-01-01 143393 2007-01-01 119994 2008-01-01 519930 2009-01-01 406169 2010-01-01 1051371 2011-01-01 946608 2012-01-01 424264 2013-01-01 644557 2014-01-01 392685 2015-01-01 948931 2016-01-01 600545