Year	Dollars
1997-01-01	607558
2002-01-01	2633969
2003-01-01	2200271
2004-01-01	5096281
2005-01-01	7439886
2006-01-01	5075724
2007-01-01	5976115
2008-01-01	9153530
2009-01-01	4746466
2010-01-01	13772725
2011-01-01	14044056
2012-01-01	9936204
2013-01-01	12771683
2014-01-01	12735310
2015-01-01	13344373
2016-01-01	9673889