Year	Dollars
1997-01-01	488442
2002-01-01	1933932
2003-01-01	2060869
2004-01-01	7487701
2005-01-01	8399088
2006-01-01	6659073
2007-01-01	15959122
2008-01-01	29473934
2009-01-01	37794345
2010-01-01	76930627
2011-01-01	83248005
2012-01-01	63818762
2013-01-01	81804851
2014-01-01	54052755
2015-01-01	84099317
2016-01-01	73525691