Year	Dollars
1992-01-01	2547091
1997-01-01	7788659
2002-01-01	8049656
2003-01-01	22314729
2004-01-01	35108927
2005-01-01	27239225
2006-01-01	46006836
2007-01-01	57554997
2008-01-01	83865835
2009-01-01	63311338
2010-01-01	85596216
2011-01-01	87754381
2012-01-01	79405559
2013-01-01	204118733
2014-01-01	133996818
2015-01-01	199917735
2016-01-01	279310129