Year	Dollars
1997-01-01	282708
2002-01-01	4437437
2003-01-01	1146034
2004-01-01	3798408
2005-01-01	536826
2006-01-01	676329
2007-01-01	3257988
2008-01-01	479631
2009-01-01	698407
2010-01-01	306160
2011-01-01	5543974
2012-01-01	3130375
2013-01-01	11035100
2014-01-01	26244933
2015-01-01	7571692
2016-01-01	17714035