Year	Dollars
1992-01-01	30113620
1997-01-01	28630255
2002-01-01	23234483
2003-01-01	37081061
2004-01-01	69293096
2005-01-01	115184393
2006-01-01	129276991
2007-01-01	178706588
2008-01-01	236181459
2009-01-01	76553007
2010-01-01	78141260
2011-01-01	193047387
2012-01-01	249484872
2013-01-01	518643950
2014-01-01	403611073
2015-01-01	125393243
2016-01-01	95984021