Year	Dollars
1992-01-01	13922604
1997-01-01	61921637
2002-01-01	22496246
2003-01-01	28831733
2004-01-01	39538651
2005-01-01	61007375
2006-01-01	49144613
2007-01-01	74409264
2008-01-01	80159482
2009-01-01	116817421
2010-01-01	183710973
2011-01-01	211510262
2012-01-01	298654293
2013-01-01	181674509
2014-01-01	328222070
2015-01-01	338841617
2016-01-01	226915023