Year	Dollars
1997-01-01	557572
2003-01-01	323211
2004-01-01	621065
2005-01-01	953216
2006-01-01	725293
2007-01-01	1035789
2008-01-01	10276387
2009-01-01	1279894
2010-01-01	2160842
2011-01-01	3475822
2012-01-01	3616973
2013-01-01	2111373
2014-01-01	979482
2015-01-01	1350915
2016-01-01	3499794