Year	Dollars
1992-01-01	16980804
1997-01-01	27372782
2002-01-01	26691625
2003-01-01	43566999
2004-01-01	49027685
2005-01-01	303649290
2006-01-01	397074041
2007-01-01	247778578
2008-01-01	379210552
2009-01-01	180889959
2010-01-01	351914582
2011-01-01	305458286
2012-01-01	556779175
2013-01-01	603285591
2014-01-01	496649737
2015-01-01	532638429
2016-01-01	378053355