Year	Dollars
1997-01-01	525132
2002-01-01	528932
2004-01-01	1305707
2006-01-01	222556
2007-01-01	348069
2008-01-01	386632
2009-01-01	934625
2010-01-01	2551650
2011-01-01	1206762
2012-01-01	1478094
2013-01-01	1148202
2014-01-01	629569
2015-01-01	955844
2016-01-01	3595580