Year	Dollars
1992-01-01	1711604
1997-01-01	3730810
2002-01-01	3069898
2003-01-01	4107191
2004-01-01	4338669
2005-01-01	5151002
2006-01-01	6341549
2007-01-01	11287684
2008-01-01	6857841
2009-01-01	8200585
2010-01-01	9076888
2011-01-01	7134792
2012-01-01	9800731
2013-01-01	10196376
2014-01-01	9453067
2015-01-01	8251071
2016-01-01	7520319