Year	Dollars
1992-01-01	662972
1997-01-01	1397513
2002-01-01	5156065
2004-01-01	3966920
2005-01-01	4290697
2006-01-01	19566888
2007-01-01	8712224
2008-01-01	11838284
2009-01-01	17907128
2010-01-01	17739261
2011-01-01	29173286
2012-01-01	37836101
2013-01-01	41703790
2014-01-01	13649125
2015-01-01	12777689
2016-01-01	7980751