Year	Dollars
2002-01-01	7056459
2003-01-01	8809956
2004-01-01	11855730
2005-01-01	13761915
2006-01-01	20825817
2007-01-01	28107465
2008-01-01	20555069
2009-01-01	31616415
2010-01-01	42044278
2011-01-01	50475553
2012-01-01	267239631
2014-01-01	159633530
2015-01-01	38325041
2016-01-01	43864525