Year	Dollars
1992-01-01	13970998
1997-01-01	25478143
2002-01-01	18005558
2003-01-01	18712344
2004-01-01	20037036
2005-01-01	18879452
2006-01-01	27145713
2007-01-01	38648301
2008-01-01	81096155
2009-01-01	41231716
2010-01-01	77560710
2011-01-01	48895796
2012-01-01	40261446
2013-01-01	40208387
2014-01-01	219246670
2015-01-01	47276195
2016-01-01	35853098