Year	Dollars
1992-01-01	245893575
1997-01-01	289295659
2002-01-01	166351530
2003-01-01	188741298
2004-01-01	259130446
2005-01-01	444157583
2006-01-01	376179054
2007-01-01	573468764
2008-01-01	1096406413
2009-01-01	504180919
2010-01-01	1245161119
2011-01-01	1262217658
2012-01-01	1121259006
2013-01-01	1305208374
2014-01-01	1069617304
2015-01-01	874747125
2016-01-01	860501131