Year	Dollars
1997-01-01	1398552
2002-01-01	158641
2003-01-01	488995
2004-01-01	952243
2005-01-01	1116689
2006-01-01	860058
2007-01-01	2056928
2008-01-01	10773507
2009-01-01	1329360
2010-01-01	1392129
2011-01-01	1057372
2012-01-01	2238976
2013-01-01	1492639
2014-01-01	1510892
2015-01-01	3962647
2016-01-01	1153021