Year	Dollars
1992-01-01	13480028
1997-01-01	8951361
2002-01-01	23206440
2003-01-01	34102402
2004-01-01	47944135
2005-01-01	40488394
2006-01-01	76668508
2007-01-01	61889291
2008-01-01	265998728
2009-01-01	418996262
2010-01-01	369094034
2011-01-01	170182494
2012-01-01	145680233
2013-01-01	82774484
2014-01-01	80370073
2015-01-01	90280525
2016-01-01	81623216