Year	Dollars
1992-01-01	1044140
1997-01-01	2907461
2002-01-01	2547714
2003-01-01	4176663
2004-01-01	3333496
2005-01-01	7026627
2006-01-01	12051836
2007-01-01	15117439
2008-01-01	39280458
2009-01-01	30380803
2010-01-01	21035326
2011-01-01	24628363
2012-01-01	59186196
2013-01-01	39581244
2014-01-01	29622499
2015-01-01	27262325
2016-01-01	9427467