Year	Dollars
1992-01-01	7076982
1997-01-01	103023234
2002-01-01	48988237
2003-01-01	28515212
2004-01-01	66441389
2005-01-01	128814171
2006-01-01	62242764
2007-01-01	129961772
2008-01-01	246297446
2009-01-01	167808432
2010-01-01	125061354
2011-01-01	283792832
2012-01-01	356163284
2013-01-01	273532987
2014-01-01	181467318
2015-01-01	277182294
2016-01-01	192674780