Year	Dollars
1997-01-01	437877
2003-01-01	1165913
2004-01-01	776328
2005-01-01	1270228
2006-01-01	1821943
2007-01-01	2634726
2008-01-01	3793858
2009-01-01	2938694
2010-01-01	3356537
2011-01-01	4630338
2012-01-01	4171943
2013-01-01	12463921
2014-01-01	8912009
2015-01-01	16429532
2016-01-01	7339607