Year	Dollars
1997-01-01	357497
2002-01-01	1059452
2003-01-01	38923
2004-01-01	253893
2005-01-01	727296
2006-01-01	945150
2007-01-01	5332330
2008-01-01	9279527
2009-01-01	18404682
2010-01-01	7975468
2011-01-01	11075098
2012-01-01	3925788
2013-01-01	3373379
2014-01-01	4489070
2015-01-01	540758
2016-01-01	483843