Year	Dollars
1992-01-01	10648065
1997-01-01	1421840
2002-01-01	11079725
2003-01-01	11457103
2004-01-01	9287575
2005-01-01	2713104
2006-01-01	9313624
2007-01-01	10480749
2008-01-01	9751240
2009-01-01	8948821
2010-01-01	31795433
2011-01-01	43405286
2012-01-01	60086943
2013-01-01	40971975
2014-01-01	4165459
2015-01-01	15545606
2016-01-01	25885002