Quarter	Dollars
1985-01-01	177000000
1985-04-01	114000000
1985-07-01	-1165000000
1985-10-01	-272000000
1986-01-01	-514000000
1986-04-01	-127000000
1986-07-01	-545000000
1986-10-01	241000000
1987-01-01	-376000000
1987-04-01	-47000000
1987-07-01	-126000000
1987-10-01	-35000000
1988-01-01	-309000000
1988-04-01	33000000
1988-07-01	-58000000
1988-10-01	16000000
1989-01-01	-486000000
1989-04-01	-223000000
1989-07-01	-520000000
1989-10-01	-338000000
1990-01-01	532000000
1990-04-01	1630000000
1990-07-01	953000000
1990-10-01	-400000000
1991-01-01	-874000000
1991-04-01	-518000000
1991-07-01	240000000
1991-10-01	-779000000
1992-01-01	-777000000
1992-04-01	-8000000
1992-07-01	-1156000000
1992-10-01	-711000000
1993-01-01	-1714000000
1993-04-01	-1154000000
1993-07-01	-1514000000
1993-10-01	-189000000
1994-01-01	-1189000000
1994-04-01	-40000000
1994-07-01	-71000000
1994-10-01	-406000000
1995-01-01	-621000000
1995-04-01	-196000000
2000-01-01	-2958000000
2000-04-01	-2821000000
2000-07-01	-1899000000
2000-10-01	-2665000000
2001-01-01	-1539000000
2001-04-01	-2257000000
2001-07-01	-599000000
2001-10-01	-1551000000
2002-01-01	-1682000000
2002-04-01	-1747000000
2002-07-01	-790000000
2002-10-01	-1325000000
2003-01-01	-1954000000
2003-04-01	-1447000000
2003-07-01	-884000000
2003-10-01	-1188000000
2004-01-01	-3304000000
2004-04-01	-4095000000
2004-07-01	-3401000000
2004-10-01	-2459000000
2005-01-01	-1576000000
2005-04-01	-1313000000
2005-07-01	-2062000000
2005-10-01	-2291000000
2006-01-01	-2711000000
2006-04-01	-2819000000
2006-07-01	-2685000000
2006-10-01	-4941000000
2007-01-01	-5124000000
2007-04-01	-7065000000
2007-07-01	-5987000000
2007-10-01	-8323000000
2008-01-01	-8013000000
2008-04-01	-9865000000
2008-07-01	-8748000000
2008-10-01	-8331000000