Year	Dollars
1992-01-01	8073073
1997-01-01	7236306
2002-01-01	5633667
2003-01-01	8603925
2004-01-01	4754340
2005-01-01	14433203
2006-01-01	51635287
2007-01-01	75114230
2008-01-01	9702681
2009-01-01	102284431
2010-01-01	78034189
2011-01-01	145187039
2012-01-01	292883413
2013-01-01	98145233
2014-01-01	50254724
2015-01-01	43349764
2016-01-01	59340067