Year Dollars 1992-01-01 182868550 1997-01-01 223014047 2002-01-01 272651282 2003-01-01 274306261 2004-01-01 318919720 2005-01-01 370651918 2006-01-01 565717469 2007-01-01 516304610 2008-01-01 643132926 2009-01-01 537043356 2010-01-01 577243335 2011-01-01 634014260 2012-01-01 594517931 2013-01-01 624798090 2014-01-01 603315629 2015-01-01 569095966 2016-01-01 520525154