Year	Dollars
1992-01-01	56023688
1997-01-01	107889882
2002-01-01	340942475
2003-01-01	488272938
2004-01-01	555258792
2005-01-01	637674166
2006-01-01	833321129
2007-01-01	1154987280
2008-01-01	1205256041
2009-01-01	1077214106
2010-01-01	1301268189
2011-01-01	1351303556
2012-01-01	1511503693
2013-01-01	1603683102
2014-01-01	1483850331
2015-01-01	1382235735
2016-01-01	1340775786