Year	Dollars
1992-01-01	16576582
1997-01-01	24237241
2002-01-01	14121456
2003-01-01	9846654
2004-01-01	18907986
2005-01-01	26586188
2006-01-01	83265303
2007-01-01	39515111
2008-01-01	18775929
2009-01-01	4954223
2010-01-01	6693276
2011-01-01	3779709
2013-01-01	10639913
2014-01-01	6199376
2015-01-01	6721695
2016-01-01	4393766