Year	Dollars
1992-01-01	4083057
1997-01-01	3103099
2002-01-01	5248987
2003-01-01	4817559
2004-01-01	4349222
2005-01-01	3688636
2006-01-01	3389614
2007-01-01	4611003
2008-01-01	7026418
2009-01-01	30240547
2010-01-01	17928399
2011-01-01	49101434
2012-01-01	65924348
2013-01-01	21434606
2014-01-01	13824607
2015-01-01	13430981
2016-01-01	9771741