Year Dollars 1992-01-01 48091642 1997-01-01 208023422 2002-01-01 61195251 2003-01-01 95688955 2004-01-01 137286766 2005-01-01 161890180 2006-01-01 186042365 2007-01-01 258865752 2008-01-01 592802812 2009-01-01 161289068 2010-01-01 197051390 2011-01-01 408692676 2012-01-01 685765126 2013-01-01 1017217612 2014-01-01 1264463156 2015-01-01 955270831 2016-01-01 625574937