Year	Dollars
1997-01-01	53105691
2002-01-01	40776198
2003-01-01	20856957
2004-01-01	36408884
2005-01-01	38152610
2006-01-01	29217393
2007-01-01	39761623
2008-01-01	54279826
2009-01-01	28396995
2010-01-01	51622115
2011-01-01	41715458
2012-01-01	104713444
2013-01-01	60775150
2014-01-01	190947558
2015-01-01	82161950
2016-01-01	76773965