Year Dollars 2002-01-01 621536 2003-01-01 553977 2004-01-01 1574527 2005-01-01 567738 2006-01-01 202055 2007-01-01 154641 2008-01-01 86987 2009-01-01 511776 2010-01-01 862236 2011-01-01 1074408 2012-01-01 567807 2013-01-01 1893765 2014-01-01 3253342 2015-01-01 1286124 2016-01-01 2033993