Year	Dollars
1992-01-01	17445551
1997-01-01	67401512
2002-01-01	120772725
2003-01-01	125935538
2004-01-01	135290243
2005-01-01	94700806
2006-01-01	298854726
2007-01-01	347216156
2008-01-01	503535397
2009-01-01	343254953
2010-01-01	351332585
2011-01-01	495296730
2012-01-01	528027136
2013-01-01	685350285
2014-01-01	761791379
2015-01-01	474293783
2016-01-01	417614159