Quarterly Dollars
1976-01-01 -371000000
1976-04-01 -134000000
1976-07-01 -13000000
1976-10-01 208000000
1977-01-01 4000000
1977-04-01 -257000000
1977-07-01 174000000
1977-10-01 91000000
1978-01-01 -32000000
1978-04-01 -162000000
1978-07-01 -182000000
1978-10-01 -709000000
1979-01-01 -953000000
1979-04-01 -1326000000
1979-07-01 -813000000
1979-10-01 -1059000000
1980-01-01 -1499400000
1980-04-01 -1242600000
1980-07-01 -1038000000
1980-10-01 -1290600000
1981-01-01 -1010100000
1981-04-01 -1041300000
1981-07-01 -794700000
1981-10-01 -1081300000
1982-01-01 -72000000
1982-04-01 -350100000
1982-07-01 -421700000
1982-10-01 -1289700000
1983-01-01 -1169600000
1983-04-01 -232500000
1983-07-01 300300000
1983-10-01 -325700000
1984-01-01 -333900000
1984-04-01 -407600000
1984-07-01 -150000000
1984-10-01 505700000
1985-01-01 -826600000
1985-04-01 -509200000
1985-07-01 -18100000
1985-10-01 -158600000
1986-01-01 -419200000
1986-04-01 982500000
1986-07-01 1921200000
1986-10-01 2007400000
1987-01-01 2396900000
1987-04-01 2672700000
1987-07-01 2798000000
1987-10-01 2911300000
1988-01-01 3038000000
1988-04-01 3233200000
1988-07-01 3817800000
1988-10-01 4748800000
1989-01-01 1568800000
1989-04-01 1275500000
1989-07-01 1125200000
1989-10-01 1297700000
1990-01-01 -791700000
1990-04-01 -274400000
1990-07-01 1060200000
1990-10-01 -1384500000
1991-01-01 -3618600000
1991-04-01 -1855400000
1991-07-01 -1857700000
1991-10-01 -179400000
1992-01-01 -2453100000
1992-04-01 -466200000
1992-07-01 194200000
1992-10-01 485200000
1993-01-01 -589300000
1993-04-01 404400000
1993-07-01 918900000
1993-10-01 2238900000
1994-01-01 -1520700000
1994-04-01 -577600000
1994-07-01 -1242100000
1994-10-01 -167300000
1995-01-01 -3161000000
1995-04-01 -2404900000
1995-07-01 -2178200000
1995-10-01 -268000000
1996-01-01 -4925800000
1996-04-01 -4733100000
1996-07-01 -7394500000
1996-10-01 -5899700000
1997-01-01 -7185400000
1997-04-01 -2716200000
1997-07-01 -1764900000
1997-10-01 3483900000
1998-01-01 10662300000
1998-04-01 11437500000
1998-07-01 10428800000
1998-10-01 10115600000
1999-01-01 6547800000
1999-04-01 5749700000
1999-07-01 6280800000
1999-10-01 5900400000
2000-01-01 1406000000
2000-04-01 3907300000
2000-07-01 4875300000
2000-10-01 4614300000
2001-01-01 1708500000
2001-04-01 3946300000
2001-07-01 1667000000
2001-10-01 1106300000
2002-01-01 1292700000
2002-04-01 1978800000
2002-07-01 856200000
2002-10-01 3414200000
2003-01-01 -1407500000
2003-04-01 2601500000
2003-07-01 5317400000
2003-10-01 9072900000
2004-01-01 7235400000
2004-04-01 8676900000
2004-07-01 7983600000
2004-10-01 8416500000
2005-01-01 4659800000
2005-04-01 3493700000
2005-07-01 4246000000
2005-10-01 6207000000
2006-01-01 -642400000
2006-04-01 1859000000
2006-07-01 4816400000
2006-10-01 8050400000
2007-01-01 2821000000
2007-04-01 3153700000
2007-07-01 10489400000
2007-10-01 5305600000
2008-01-01 86400000
2008-04-01 595400000
2008-07-01 -3981400000
2008-10-01 6496300000