Year	Dollars
1992-01-01	97191645
1997-01-01	105408651
2002-01-01	84260842
2003-01-01	93452129
2004-01-01	102957018
2005-01-01	166756977
2006-01-01	237516735
2007-01-01	313830288
2008-01-01	288458419
2009-01-01	374053539
2010-01-01	230818152
2011-01-01	257356485
2012-01-01	155862115
2013-01-01	284109208
2014-01-01	363857203
2015-01-01	518386633
2016-01-01	439105260