Year	Dollars
1992-01-01	566837470
1997-01-01	712647086
2002-01-01	978015110
2003-01-01	966981724
2004-01-01	837978805
2005-01-01	752544832
2006-01-01	1122962255
2007-01-01	1169048178
2008-01-01	822262630
2009-01-01	791852949
2010-01-01	1165188867
2011-01-01	1031362792
2012-01-01	1264313340
2013-01-01	1197475931
2014-01-01	1228998553
2015-01-01	1139966145
2016-01-01	994390824