Year	Dollars
1992-01-01	30146713
1997-01-01	34872420
2002-01-01	43254759
2003-01-01	21365590
2004-01-01	27350144
2005-01-01	52683506
2006-01-01	131350013
2007-01-01	161166599
2008-01-01	90764998
2009-01-01	46090665
2010-01-01	48497006
2011-01-01	75750208
2012-01-01	99540555
2013-01-01	69050734
2014-01-01	70886886
2015-01-01	46207389
2016-01-01	12143918