Year	Dollars
1992-01-01	1033902
1997-01-01	2113284
2002-01-01	991613
2003-01-01	1480794
2004-01-01	1208869
2005-01-01	1378618
2006-01-01	2691849
2007-01-01	4368697
2008-01-01	4617599
2009-01-01	4943791
2010-01-01	8390731
2011-01-01	13291057
2012-01-01	43109854
2013-01-01	14956930
2014-01-01	9202901
2015-01-01	39196794
2016-01-01	40390300