Year	Dollars
1992-01-01	33595008
1997-01-01	42167039
2002-01-01	34690937
2003-01-01	32156995
2004-01-01	44904744
2005-01-01	48892844
2006-01-01	56166341
2007-01-01	84676267
2008-01-01	98811229
2009-01-01	46302655
2010-01-01	116250739
2011-01-01	229730852
2012-01-01	178623527
2013-01-01	186329735
2014-01-01	103984548
2015-01-01	103317748
2016-01-01	95406322