Year	Dollars
1997-01-01	1463421
2002-01-01	292283
2004-01-01	2020225
2005-01-01	2597408
2006-01-01	1288890
2007-01-01	2731634
2008-01-01	4335604
2009-01-01	1675233
2010-01-01	1571932
2011-01-01	407394
2012-01-01	342921
2013-01-01	1014250
2014-01-01	1433107
2015-01-01	2454039
2016-01-01	4017705