Year	Dollars
1992-01-01	6844659
1997-01-01	12398410
2002-01-01	313865007
2003-01-01	295726717
2004-01-01	90360542
2005-01-01	106556123
2006-01-01	133428507
2007-01-01	119119998
2008-01-01	129874070
2009-01-01	188996537
2010-01-01	155745247
2011-01-01	116432826
2012-01-01	101038252
2013-01-01	105627626
2014-01-01	119948227
2015-01-01	68199719
2016-01-01	81615254