Year	Dollars
1992-01-01	273576749
1997-01-01	172261441
2002-01-01	342947268
2003-01-01	282883425
2004-01-01	356063994
2005-01-01	504533528
2006-01-01	529142564
2007-01-01	525358981
2008-01-01	558616590
2009-01-01	519907771
2010-01-01	421641553
2011-01-01	405261789
2012-01-01	381476954
2013-01-01	348165201
2014-01-01	336346596
2015-01-01	357413434
2016-01-01	304644647