Year	Dollars
1992-01-01	61492015
1997-01-01	125656347
2002-01-01	142889899
2003-01-01	166320322
2004-01-01	253911785
2005-01-01	373684836
2006-01-01	461576312
2007-01-01	638037506
2008-01-01	816804850
2009-01-01	524417386
2010-01-01	833355132
2011-01-01	1128163585
2012-01-01	1447225691
2013-01-01	1011962025
2014-01-01	838707197
2015-01-01	665117330
2016-01-01	474392798