Year	Dollars
1992-01-01	41176446
1997-01-01	41808856
2002-01-01	54435953
2003-01-01	92725443
2004-01-01	117512112
2005-01-01	169691799
2006-01-01	253198155
2007-01-01	488707258
2008-01-01	503770761
2009-01-01	404366712
2010-01-01	870605617
2011-01-01	331117151