Year	Dollars
1997-01-01	494230
2002-01-01	1866478
2003-01-01	2069395
2004-01-01	1907305
2005-01-01	2880300
2006-01-01	3492296
2007-01-01	9768309
2008-01-01	5453210
2009-01-01	3209299
2010-01-01	3093801
2011-01-01	15560312
2014-01-01	26751507
2015-01-01	14062705
2016-01-01	8732335