Year	Dollars
1992-01-01	10737571
1997-01-01	17520049
2002-01-01	40328018
2003-01-01	33450157
2004-01-01	26240465
2005-01-01	27287455
2006-01-01	29746418
2007-01-01	42914475
2008-01-01	50616464
2009-01-01	54325766
2010-01-01	57855896
2011-01-01	16203635