Year	Dollars
1997-01-01	511257
2002-01-01	1060725
2003-01-01	1423846
2004-01-01	601452
2005-01-01	1183555
2006-01-01	1131741
2007-01-01	1338045
2008-01-01	924154
2009-01-01	1057441
2010-01-01	872674
2011-01-01	2928117
2012-01-01	1343870
2013-01-01	1745331
2014-01-01	772972
2015-01-01	848970
2016-01-01	1473308