Year	Dollars
1992-01-01	461220
1997-01-01	325369
2002-01-01	130831
2003-01-01	37132
2004-01-01	253019
2005-01-01	331761
2006-01-01	499571
2009-01-01	3925817
2010-01-01	6408195
2011-01-01	698491
2012-01-01	2270417
2013-01-01	3018366
2014-01-01	3182575
2015-01-01	2499614
2016-01-01	2867634