Year	Dollars
1992-01-01	9187595
1997-01-01	32662670
2002-01-01	30545929
2003-01-01	46980849
2004-01-01	32248809
2005-01-01	31959587
2006-01-01	32971170
2007-01-01	30810975
2008-01-01	28542234
2009-01-01	20785328
2010-01-01	30825052
2011-01-01	40963903
2012-01-01	36691926
2013-01-01	50410829
2014-01-01	75227902
2015-01-01	54155164
2016-01-01	46075476