Year	Dollars
1997-01-01	1990323
2002-01-01	762577
2003-01-01	802743
2004-01-01	197439
2005-01-01	1477819
2006-01-01	460045
2007-01-01	606256
2008-01-01	866359
2009-01-01	907850
2010-01-01	1522938
2011-01-01	1713690
2012-01-01	1548118
2014-01-01	2351033
2015-01-01	1062540
2016-01-01	788513