Year	Dollars
1992-01-01	83462946
1997-01-01	117825900
2002-01-01	79859072
2003-01-01	45030751
2004-01-01	109263202
2005-01-01	63145352
2006-01-01	155605460
2007-01-01	110221176
2008-01-01	172825483
2009-01-01	139789170
2010-01-01	135526139
2011-01-01	161819020
2012-01-01	291031518
2013-01-01	566521572
2014-01-01	921103663
2015-01-01	353774537
2016-01-01	205527496