Quarter	Dollars
1984-01-01	-95000000
1984-04-01	-620000000
1984-07-01	-296000000
1984-10-01	-428000000
1985-01-01	-252000000
1985-04-01	-141000000
1985-07-01	6000000
1985-10-01	-626000000
1986-01-01	-714000000
1986-04-01	-384000000
1986-07-01	-245000000
1986-10-01	-122000000
1987-01-01	-501000000
1987-04-01	57000000
1987-07-01	337000000
1987-10-01	-699000000
1988-01-01	-415000000
1988-04-01	94000000
1988-07-01	856000000
1988-10-01	1061000000
1989-01-01	403000000
1989-04-01	-68000000
1989-07-01	438000000
1989-10-01	165000000
1990-01-01	-904000000
1990-04-01	-591000000
1990-07-01	-521000000
1990-10-01	-609000000
1991-01-01	-215000000
1991-04-01	208000000
1991-07-01	605000000
1991-10-01	-348000000
1992-01-01	-160000000
1992-04-01	-592000000
1992-07-01	-47000000
1992-10-01	-175000000
1993-01-01	-932000000
1993-04-01	-2344000000
1993-07-01	-1580000000
1993-10-01	-1577000000
1994-01-01	-1133000000
1994-04-01	1408000000
1994-07-01	2014000000
1994-10-01	342000000
1995-01-01	428000000
1995-04-01	-443000000
1995-07-01	26000000
1995-10-01	-2349000000
1996-01-01	-429000000
1996-04-01	-1430000000
1996-07-01	470000000
1996-10-01	-1048000000
1997-01-01	-1248000000
1997-04-01	-1032000000
1997-07-01	948000000
1997-10-01	-1306000000
1998-01-01	-1034000000
1998-04-01	-259000000
1998-07-01	1514000000
1998-10-01	1779000000
1999-01-01	1365000000
1999-04-01	-1290000000
1999-07-01	254000000
1999-10-01	-1254000000
2000-01-01	-2301000000
2000-04-01	-3271000000
2000-07-01	-1334000000
2000-10-01	-3014000000
2001-01-01	-571000000
2001-04-01	1422000000
2001-07-01	2092000000
2001-10-01	817000000
2002-01-01	-461000000
2002-04-01	-618000000
2002-07-01	1244000000
2002-10-01	-791000000
2003-01-01	-2953000000
2003-04-01	-2456000000
2003-07-01	1248000000
2003-10-01	-3354000000
2004-01-01	-5284000000
2004-04-01	-4251000000
2004-07-01	-243000000
2004-10-01	-4653000000
2005-01-01	-5912000000
2005-04-01	-6687000000
2005-07-01	-2321000000
2005-10-01	-7389000000
2006-01-01	-8668000000
2006-04-01	-10792000000
2006-07-01	-4845000000
2006-10-01	-7944000000
2007-01-01	-9509000000
2007-04-01	-10126000000
2007-07-01	-6947000000
2007-10-01	-11852000000
2008-01-01	-12298000000
2008-04-01	-15461000000
2008-07-01	-7864000000
2008-10-01	-5901000000