Year	Dollars
1992-01-01	21477048
1997-01-01	31423663
2002-01-01	15611612
2003-01-01	36791063
2004-01-01	50566513
2005-01-01	66283719
2006-01-01	58621972
2007-01-01	51133897
2008-01-01	37965666
2009-01-01	68940669
2010-01-01	57408472
2011-01-01	104641973
2012-01-01	70882936
2013-01-01	52186743
2014-01-01	46619341
2015-01-01	39548911
2016-01-01	62051677