Year	Dollars
1992-01-01	74200481
1997-01-01	41303867
2002-01-01	61466470
2003-01-01	116547578
2004-01-01	122479012
2005-01-01	167915859
2006-01-01	401902291
2007-01-01	280459972
2008-01-01	426624427
2009-01-01	257147425
2010-01-01	568633390
2011-01-01	747929108
2012-01-01	579421732
2013-01-01	723237140
2014-01-01	840573539
2015-01-01	536695332
2016-01-01	254961328