Quarter	US Dollars, Sum Over Component Sub-periods
1984-01-01	-700000000
1984-04-01	175000000
1984-07-01	469000000
1984-10-01	525000000
1985-01-01	92000000
1985-04-01	-177000000
1985-07-01	-906000000
1985-10-01	154000000
1986-01-01	12000000
1986-04-01	-79000000
1986-07-01	-108000000
1986-10-01	57000000
1987-01-01	-65000000
1987-04-01	-303000000
1987-07-01	-95000000
1987-10-01	-43000000
1988-01-01	223000000
1988-04-01	442000000
1988-07-01	80000000
1988-10-01	-230000000
1989-01-01	223000000
1989-04-01	131000000
1989-07-01	470000000
1989-10-01	147000000
1990-01-01	94000000
1990-04-01	102000000
1990-07-01	205000000
1990-10-01	-869000000
1991-01-01	-62000000
1991-04-01	784000000
1991-07-01	127000000
1991-10-01	99000000
1992-01-01	-763000000
1992-04-01	-573000000
1992-07-01	215000000
1992-10-01	-69000000
1993-01-01	-905000000
1993-04-01	-62000000
1993-07-01	-557000000
1993-10-01	-638000000
1994-01-01	-2666000000
1994-04-01	1869000000
1994-07-01	2519000000
1994-10-01	110000000
1995-01-01	376000000
1995-04-01	569000000
1995-07-01	955000000
1995-10-01	532000000
1996-01-01	-489000000
1996-04-01	654000000
1996-07-01	1280000000
1996-10-01	54000000
1997-01-01	256000000
1997-04-01	-1340000000
1997-07-01	680000000
1997-10-01	-583000000
1998-01-01	912000000
1998-04-01	1720000000
1998-07-01	3524000000
1998-10-01	-6869000000
1999-01-01	318000000
1999-04-01	1792000000
1999-07-01	800000000
1999-10-01	-1608000000
2000-01-01	-719000000
2000-04-01	259000000
2000-07-01	-1304000000
2000-10-01	-897000000
2001-01-01	-877000000
2001-04-01	-298000000
2001-07-01	-2334000000
2001-10-01	1382000000
2002-01-01	-1688000000
2002-04-01	363000000
2002-07-01	393000000
2002-10-01	174000000
2003-01-01	-1169000000
2003-04-01	3659000000
2003-07-01	-54000000
2003-10-01	2053000000
2004-01-01	-1017000000
2004-04-01	1916000000
2004-07-01	-1855000000
2004-10-01	1794000000
2005-01-01	1211000000
2005-04-01	2415000000
2005-07-01	-1162000000
2005-10-01	-500000000
2006-01-01	1462000000
2006-04-01	1932000000
2006-07-01	-2389000000
2006-10-01	-1233000000
2007-01-01	933000000
2007-04-01	2763000000
2007-07-01	-4127000000
2007-10-01	948000000
2008-01-01	1215000000
2008-04-01	-3971000000
2008-07-01	-1164000000
2008-10-01	6832000000
2009-01-01	5425000000
2009-04-01	512000000
2009-07-01	-1622000000
2009-10-01	-1237000000
2010-01-01	-85000000
2010-04-01	-2591000000
2010-07-01	2332000000
2010-10-01	1272000000
2011-01-01	2428000000
2011-04-01	4952000000
2011-07-01	1493000000
2011-10-01	262000000
2012-01-01	5302000000
2012-04-01	-3997000000
2012-07-01	3071000000
2012-10-01	-3317000000
2013-01-01	-3633000000
2013-04-01	-764000000
2013-07-01	7018000000
2013-10-01	-89000000
2014-01-01	8022000000
2014-04-01	-1652000000