Year	Dollars
1992-01-01	543579471
1997-01-01	75126451
2002-01-01	62858987
2003-01-01	13832004
2004-01-01	27830415
2005-01-01	38384541
2006-01-01	22748413
2007-01-01	222870594
2008-01-01	105262090
2009-01-01	138927860
2010-01-01	72170718
2011-01-01	129823815
2012-01-01	194472127
2013-01-01	277384353
2014-01-01	116438320
2015-01-01	80298751
2016-01-01	23873563