Year	Dollars
1997-01-01	4090054
2002-01-01	19587755
2003-01-01	7944069
2004-01-01	1306762
2005-01-01	2215871
2006-01-01	2889606
2007-01-01	2188077
2008-01-01	3272468
2009-01-01	4556282
2010-01-01	4153360
2011-01-01	11027196
2012-01-01	28754959
2013-01-01	14300182
2014-01-01	7901227