Year	Dollars
1992-01-01	1628694
1997-01-01	12477831
2002-01-01	12170386
2003-01-01	22124117
2004-01-01	23499589
2005-01-01	36418759
2006-01-01	58139822
2007-01-01	113160467
2008-01-01	104676449
2009-01-01	57479653
2010-01-01	125989419
2011-01-01	150763087
2012-01-01	74893668
2013-01-01	97888556
2014-01-01	41794069
2015-01-01	32605487
2016-01-01	42610356