Year	Dollars
1992-01-01	40719938
1997-01-01	38676252
2002-01-01	31629677
2003-01-01	24372912
2004-01-01	28465123
2005-01-01	46186375
2006-01-01	52203752
2007-01-01	52967218
2008-01-01	160587207
2009-01-01	119773278
2010-01-01	160419957
2011-01-01	129890103
2012-01-01	174082842
2013-01-01	140875261
2014-01-01	150432447
2015-01-01	72403551
2016-01-01	56224517