Year Dollars 2002-01-01 58009 2003-01-01 116082 2004-01-01 548966 2005-01-01 496849 2006-01-01 1164257 2007-01-01 1340689 2008-01-01 645558 2009-01-01 115950 2010-01-01 171486 2011-01-01 692769 2012-01-01 421902 2013-01-01 1117501 2014-01-01 4607105 2015-01-01 843157 2016-01-01 1019634