Year	Dollars
1992-01-01	7133992
1997-01-01	10044870
2002-01-01	7661667
2003-01-01	3779619
2004-01-01	5675537
2005-01-01	4291366
2006-01-01	5187939
2007-01-01	6627201
2008-01-01	4035883
2009-01-01	3245416
2010-01-01	1324189
2011-01-01	1036633
2012-01-01	836903
2013-01-01	402264
2014-01-01	539233
2015-01-01	111270