Year	Dollars
1992-01-01	72240626
1997-01-01	50163887
2002-01-01	14954800
2003-01-01	9664132
2004-01-01	12114676
2005-01-01	10109085
2006-01-01	14110991
2007-01-01	30897385
2008-01-01	23696335
2009-01-01	68359725
2010-01-01	97779033
2011-01-01	60578443
2012-01-01	162532517
2013-01-01	121757099
2014-01-01	81289754
2015-01-01	44642133
2016-01-01	51161193