Year	Dollars
1997-01-01	2131479
2002-01-01	1086986
2003-01-01	1766670
2004-01-01	7407312
2005-01-01	3922537
2006-01-01	4265872
2007-01-01	14632557
2008-01-01	20479600
2009-01-01	25995557
2010-01-01	27090213
2011-01-01	52515877
2012-01-01	18568219
2013-01-01	38227574
2014-01-01	45496828
2015-01-01	90349231
2016-01-01	71323679