Year	Dollars
1992-01-01	23966766
1997-01-01	12652908
2002-01-01	2592695
2003-01-01	4663977
2004-01-01	7955436
2005-01-01	11330653
2006-01-01	37387160
2008-01-01	81244354
2009-01-01	128604166
2010-01-01	103525112
2011-01-01	45432402
2012-01-01	35965780
2013-01-01	71229136
2014-01-01	43972566
2015-01-01	37182620
2016-01-01	23846741