Year Dollars 1992-01-01 264106985 1997-01-01 262154369 2002-01-01 382040076 2003-01-01 514442694 2004-01-01 561648969 2005-01-01 661052885 2006-01-01 690794054 2007-01-01 682568612 2008-01-01 358277304 2009-01-01 450832376 2010-01-01 466758432 2011-01-01 632992784 2012-01-01 636030746 2013-01-01 700932217 2014-01-01 585604864 2015-01-01 661024134 2016-01-01 727645703