Year	Dollars
1997-01-01	826756
2002-01-01	542584
2004-01-01	318319
2005-01-01	761519
2007-01-01	276881
2008-01-01	3602154
2009-01-01	3875107
2010-01-01	6518865
2011-01-01	7711465
2012-01-01	9550524
2013-01-01	11782875
2014-01-01	11619806
2015-01-01	3495324
2016-01-01	4999211