Year	Dollars
1997-01-01	281092
2002-01-01	1336519
2003-01-01	1097496
2004-01-01	1852140
2005-01-01	1636497
2006-01-01	4457872
2007-01-01	6457834
2008-01-01	12611945
2009-01-01	7154392
2010-01-01	6347668
2011-01-01	10159777
2012-01-01	12890085
2013-01-01	25546503
2014-01-01	21643058
2015-01-01	9348117
2016-01-01	13586595