Year	Dollars
1997-01-01	592124
2002-01-01	109681
2004-01-01	200885
2005-01-01	1157975
2006-01-01	580233
2007-01-01	4616764
2008-01-01	9809955
2009-01-01	3809117
2010-01-01	3498150
2011-01-01	4320510
2012-01-01	15289509
2015-01-01	2793979
2016-01-01	905298