Year	Dollars
2002-01-01	1568922
2003-01-01	2518037
2004-01-01	7094941
2005-01-01	14527407
2006-01-01	5713467
2007-01-01	9240179
2008-01-01	6060588
2009-01-01	5326665
2010-01-01	7106552
2011-01-01	25743634
2012-01-01	47504669
2013-01-01	33267210
2014-01-01	57946098
2015-01-01	14262746
2016-01-01	20888879