Year	Dollars
1992-01-01	12764406
1997-01-01	22626008
2002-01-01	35141745
2003-01-01	112262747
2004-01-01	111668319
2005-01-01	34940941
2006-01-01	39095719
2007-01-01	52650543
2008-01-01	87297297
2009-01-01	324835757
2010-01-01	72016095
2011-01-01	69153277
2012-01-01	49288086
2013-01-01	55150804
2014-01-01	71361317
2015-01-01	61417935
2016-01-01	77478286