Year Dollars 1992-01-01 548458695 1997-01-01 654028529 2002-01-01 395243165 2003-01-01 480331764 2004-01-01 341377246 2005-01-01 201453374 2006-01-01 217991848 2007-01-01 438715256 2008-01-01 569867305 2009-01-01 274449989 2010-01-01 584971832 2011-01-01 903020182 2012-01-01 942839599 2013-01-01 859862696 2014-01-01 906401750 2015-01-01 852879002 2016-01-01 637966542