Year	Dollars
1992-01-01	7492708
1997-01-01	23366908
2002-01-01	24980732
2003-01-01	27957954
2004-01-01	30248913
2005-01-01	33457826
2006-01-01	41124706
2007-01-01	63835055
2008-01-01	55033492
2009-01-01	46434251
2010-01-01	64661812
2011-01-01	74865521
2012-01-01	78611053
2013-01-01	137227721
2014-01-01	124180061
2015-01-01	131331250
2016-01-01	66432376