Year	Dollars
1997-01-01	3968520
2002-01-01	13158783
2003-01-01	12687336
2004-01-01	15537812
2005-01-01	19997506
2006-01-01	26103351
2007-01-01	29306197
2008-01-01	26866286
2009-01-01	18993996
2010-01-01	36826128
2011-01-01	38011937
2012-01-01	34177891
2013-01-01	86528884
2014-01-01	32257839
2015-01-01	23070428
2016-01-01	34501615