Year	Dollars
1992-01-01	9359646
1997-01-01	21997989
2002-01-01	48780368
2003-01-01	53547784
2004-01-01	153192326
2005-01-01	232886552
2006-01-01	304337376
2007-01-01	346652825
2008-01-01	393720203
2009-01-01	346045817
2010-01-01	340888237
2011-01-01	139473243