Year	Dollars
1992-01-01	29637875
1997-01-01	27586570
2002-01-01	41395486
2003-01-01	52406726
2004-01-01	51940898
2005-01-01	83751558
2006-01-01	116305352
2007-01-01	201596745
2008-01-01	259423798
2009-01-01	169775446
2010-01-01	104453410
2011-01-01	164483997
2012-01-01	302971533
2013-01-01	390546485
2014-01-01	164567617
2015-01-01	173163058
2016-01-01	217957437