Year	Dollars
1997-01-01	551218
2002-01-01	374595
2003-01-01	216050
2004-01-01	301847
2006-01-01	231432
2008-01-01	744113
2009-01-01	1636708
2013-01-01	3650089
2014-01-01	2437832
2015-01-01	2549996
2016-01-01	1008541