Year	Dollars
1992-01-01	5682551
1997-01-01	2583814
2002-01-01	4659462
2003-01-01	10495433
2004-01-01	8872042
2005-01-01	20530521
2006-01-01	7052357
2007-01-01	36129167
2008-01-01	30839165
2009-01-01	34990075
2010-01-01	25366435
2011-01-01	26795190
2012-01-01	33107896
2013-01-01	59297661
2014-01-01	64791206
2015-01-01	46895661
2016-01-01	45688259