Year	Dollars
1992-01-01	22909060
1997-01-01	73360281
2002-01-01	59751650
2003-01-01	65658906
2004-01-01	89057690
2006-01-01	340634129
2008-01-01	539986559
2009-01-01	207367680
2010-01-01	286037460
2011-01-01	267355377
2012-01-01	220238020
2013-01-01	139539053
2014-01-01	263354298
2015-01-01	120031494
2016-01-01	77134404