Year	Dollars
1992-01-01	276057
1997-01-01	3641367
2002-01-01	2244690
2003-01-01	4040184
2004-01-01	3721150
2005-01-01	4297676
2006-01-01	5662187
2007-01-01	12114872
2008-01-01	7834016
2009-01-01	8435438
2010-01-01	17346734
2011-01-01	15014588
2012-01-01	13150585
2013-01-01	37566060
2014-01-01	61123556
2015-01-01	56034176
2016-01-01	36250632