Year	Dollars
1992-01-01	221472013
1997-01-01	422280238
2002-01-01	311645199
2003-01-01	313254812
2004-01-01	314838264
2005-01-01	417833672
2006-01-01	404707356
2007-01-01	467944536
2008-01-01	456551732
2009-01-01	365892948
2010-01-01	401892599
2011-01-01	608437592
2012-01-01	603103676
2013-01-01	563183238
2014-01-01	684322521
2015-01-01	446243142
2016-01-01	455307113