Quarter	Dollars
2006-01-01	-2024766355.14018010
2006-04-01	-7644526034.71294980
2006-07-01	-1536248331.10814000
2006-10-01	3708511348.46462010
2007-01-01	-423931909.21228898
2007-04-01	-5542059608.54092030
2007-07-01	3885060026.67852020
2007-10-01	4196966666.66665980
2008-01-01	16425970973.17250100
2008-04-01	-3534080268.09825990
2008-07-01	15973333333.33630000
2008-10-01	5864000000.00000000