Year	Dollars
1997-01-01	472195
2002-01-01	24431
2007-01-01	1518686
2008-01-01	1189904
2010-01-01	859783
2011-01-01	2033511
2012-01-01	3233923
2013-01-01	4353479
2014-01-01	5578924
2015-01-01	5000294
2016-01-01	1861726