Year	Dollars
1992-01-01	7236001
1997-01-01	29379168
2002-01-01	27384528
2003-01-01	34948318
2004-01-01	37804849
2005-01-01	37215514
2006-01-01	131868237
2007-01-01	230699860
2008-01-01	101805567
2009-01-01	92142839
2010-01-01	159594251
2011-01-01	148600873
2012-01-01	78595679
2013-01-01	148230462
2014-01-01	154786614
2015-01-01	75150700
2016-01-01	77009528