Year Dollars 1992-01-01 438784126 1997-01-01 838597845 2002-01-01 507053371 2003-01-01 378362566 2004-01-01 375603364 2005-01-01 407745050 2006-01-01 415510207 2007-01-01 560994553 2008-01-01 625123110 2009-01-01 599946897 2010-01-01 782310029 2011-01-01 1040680953 2012-01-01 1033618363 2013-01-01 807875091 2014-01-01 727881696 2015-01-01 607897905 2016-01-01 872547513