Year	Dollars
1997-01-01	106317
2002-01-01	104896
2003-01-01	278580
2004-01-01	45764
2005-01-01	1082232
2006-01-01	3561855
2007-01-01	886145
2008-01-01	1485975
2009-01-01	273123
2010-01-01	391713
2011-01-01	245990
2012-01-01	123035
2013-01-01	708188
2014-01-01	817851
2015-01-01	464333