Year	Dollars
1997-01-01	188437
2002-01-01	155349
2003-01-01	72239
2004-01-01	43779
2005-01-01	96634
2006-01-01	459580
2007-01-01	672538
2009-01-01	292888
2010-01-01	202274
2011-01-01	1498646
2012-01-01	528193
2013-01-01	155469
2014-01-01	128012
2015-01-01	512806