Year	Dollars
1997-01-01	48928
2002-01-01	348834
2003-01-01	1392325
2004-01-01	1822657
2005-01-01	3093937
2006-01-01	5930028
2007-01-01	8029650
2008-01-01	4120492
2009-01-01	10272310
2010-01-01	34600897
2011-01-01	23178192
2012-01-01	7392233
2013-01-01	16952398
2014-01-01	3336386
2015-01-01	1340279
2016-01-01	1715993