Year	Dollars
1992-01-01	546998722
1997-01-01	957725103
2002-01-01	97858675
2003-01-01	646157633
2004-01-01	208616492
2005-01-01	214401577
2006-01-01	1095941917
2007-01-01	799093232
2008-01-01	348139117
2009-01-01	229205054
2010-01-01	248462882
2011-01-01	349628601
2012-01-01	710490372
2013-01-01	1337840764
2014-01-01	1940043512
2016-01-01	946376580