Year	Dollars
1992-01-01	24572800
1997-01-01	44708407
2004-01-01	127841961
2005-01-01	129256486
2006-01-01	179736141
2007-01-01	330925032
2008-01-01	330931568
2009-01-01	253497993
2010-01-01	408813730