Year Dollars 1992-01-01 234761034 1997-01-01 395415202 2002-01-01 448766893 2003-01-01 408864833 2004-01-01 393045892 2005-01-01 427555328 2006-01-01 416261607 2007-01-01 451305858 2008-01-01 525282131 2009-01-01 515882895 2010-01-01 509635425 2011-01-01 671194611 2012-01-01 699999064 2013-01-01 749845011 2014-01-01 636446345 2015-01-01 680803592 2016-01-01 718888619