Year	Dollars
1992-01-01	29946284
1997-01-01	15067796
2002-01-01	11497302
2003-01-01	29783301
2004-01-01	31377233
2005-01-01	38204206
2006-01-01	29122931
2007-01-01	65427446
2008-01-01	141461618
2009-01-01	102464495
2010-01-01	99845780
2011-01-01	534048220