Year Dollars 1992-01-01 221876547 1997-01-01 381390107 2002-01-01 421325952 2003-01-01 379094293 2004-01-01 482671437 2005-01-01 647528900 2006-01-01 750145643 2007-01-01 744971364 2008-01-01 751784975 2009-01-01 568631657 2010-01-01 707261934 2011-01-01 743184586 2012-01-01 780714715 2013-01-01 719720618 2014-01-01 794272159 2015-01-01 911855587 2016-01-01 940997311