Year	Dollars
1992-01-01	12864900
1997-01-01	24077248
2002-01-01	7468442
2003-01-01	4643308
2004-01-01	11017121
2005-01-01	5529332
2006-01-01	4284557
2007-01-01	3450928
2008-01-01	6007649
2009-01-01	7980291
2010-01-01	5266867
2011-01-01	6464520
2012-01-01	7785995
2013-01-01	9644896
2014-01-01	15195274
2015-01-01	6744391