Year	Dollars
1997-01-01	3841921
2002-01-01	4369304
2003-01-01	2647464
2004-01-01	2915915
2005-01-01	3147612
2006-01-01	4335683
2007-01-01	4196358
2008-01-01	5156862
2009-01-01	20074868
2010-01-01	7950597
2011-01-01	4912863
2012-01-01	6708734
2013-01-01	5180861
2014-01-01	8652628
2015-01-01	19863610
2016-01-01	4912722