Year	Dollars
1992-01-01	1686754
1997-01-01	13383943
2002-01-01	19320413
2003-01-01	29713284
2004-01-01	37565822
2005-01-01	23245773
2006-01-01	35654102
2007-01-01	40713453
2008-01-01	53935826
2009-01-01	30966331
2010-01-01	64263456
2011-01-01	54465943
2012-01-01	61696793
2013-01-01	57562504
2014-01-01	78989361
2015-01-01	148790051
2016-01-01	185684674