Year	Dollars
1997-01-01	21756441
2003-01-01	12159922
2005-01-01	10325574
2006-01-01	24612823
2007-01-01	176659147
2008-01-01	88942735
2009-01-01	46520147
2011-01-01	41949423
2013-01-01	27389237
2015-01-01	95501471
2016-01-01	53105449