Year Dollars 1992-01-01 107253918 1997-01-01 154649416 2002-01-01 209492971 2003-01-01 211123243 2004-01-01 341557967 2005-01-01 399622396 2006-01-01 439742481 2007-01-01 507774850 2008-01-01 569752526 2009-01-01 527959502 2010-01-01 621724220 2011-01-01 793820530 2012-01-01 862602164 2013-01-01 918419700 2014-01-01 848725057 2015-01-01 893530991 2016-01-01 711142180