Year	Dollars
1997-01-01	3161646
2002-01-01	1891600
2003-01-01	1862678
2004-01-01	975125
2005-01-01	1268774
2006-01-01	1803184
2007-01-01	2943366
2008-01-01	4984373
2010-01-01	6320972
2011-01-01	6148781
2012-01-01	28747469
2013-01-01	11564188
2014-01-01	4572818
2015-01-01	9651937
2016-01-01	2910423