Year Dollars 1997-01-01 38472 2002-01-01 18840 2003-01-01 235045 2004-01-01 425673 2005-01-01 358300 2006-01-01 121081 2007-01-01 1308893 2008-01-01 1035456 2009-01-01 148329 2010-01-01 33728 2011-01-01 683651 2012-01-01 728491 2013-01-01 1014579 2014-01-01 921891 2015-01-01 1618466 2016-01-01 361756