Year	Dollars
1992-01-01	17494313
1997-01-01	55675903
2002-01-01	57665795
2003-01-01	83899098
2004-01-01	153164675
2005-01-01	132543438
2006-01-01	291855876
2007-01-01	396563303
2008-01-01	499249745
2009-01-01	83901384
2010-01-01	158120654
2011-01-01	275700575
2012-01-01	118119077
2013-01-01	89792918
2014-01-01	54268779
2015-01-01	24287075
2016-01-01	28553151