Year	Dollars
1992-01-01	193201786
1997-01-01	333003400
2002-01-01	273749921
2003-01-01	298869081
2004-01-01	372201879
2005-01-01	435540700
2006-01-01	406394201
2007-01-01	315057493
2008-01-01	758776691
2009-01-01	403337693
2010-01-01	532353460
2011-01-01	680332277
2012-01-01	718890104
2013-01-01	477109930
2014-01-01	596044291
2015-01-01	546722272
2016-01-01	453194933