Quarter	US Dollars, Sum Over Component Sub-periods
1979-01-01	-434000000
1979-04-01	-299000000
1979-07-01	-884000000
1979-10-01	-1223000000
1980-01-01	-1369000000
1980-04-01	-671000000
1980-07-01	-836000000
1980-10-01	53000000
1981-01-01	-420000000
1981-04-01	109000000
1981-07-01	532000000
1981-10-01	981000000
1982-01-01	49000000
1982-04-01	99000000
1982-07-01	206000000
1982-10-01	425000000
1983-01-01	722000000
1983-04-01	2069000000
1983-07-01	2062000000
1983-10-01	1618000000
1984-01-01	2381000000
1984-04-01	3596000000
1984-07-01	3628000000
1984-10-01	3484000000
1985-01-01	1903000000
1985-04-01	3541000000
1985-07-01	3627000000
1985-10-01	3415000000
1986-01-01	2460000000
1986-04-01	3699000000
1986-07-01	2484000000
1986-10-01	-340000000
1987-01-01	587000000
1987-04-01	2892000000
1987-07-01	4383000000
1987-10-01	3311000000
1988-01-01	3173000000
1988-04-01	5472000000
1988-07-01	5970000000
1988-10-01	4570000000
1989-01-01	4180000000
1989-04-01	4804000000
1989-07-01	4136000000
1989-10-01	2999000000
1990-01-01	1910000000
1990-04-01	4034000000
1990-07-01	3261000000
1990-10-01	1547000000
1991-01-01	3481000000
1991-04-01	3712000000
1991-07-01	1822000000
1991-10-01	1565000000
1992-01-01	3213000000
1992-04-01	3826000000
1992-07-01	4260000000
1992-10-01	3940000000
1993-01-01	3981000000
1993-04-01	3144000000
1993-07-01	3042000000
1993-10-01	3132000000
1994-01-01	2828000000
1994-04-01	3949000000
1994-07-01	4251000000
1994-10-01	-562000000
1995-01-01	-2287000000
1995-04-01	-1939000000
1995-07-01	577000000
1995-10-01	183000000
1996-01-01	-465000000
1996-04-01	126000000
1996-07-01	-1262000000
1996-10-01	-3998000000
1997-01-01	-832000000
1997-04-01	-1332000000
1997-07-01	-1686000000
1997-10-01	-2903000000
1998-01-01	-1838000000
1998-04-01	11000000
1998-07-01	-1775000000
1998-10-01	-2972000000
1999-01-01	-816000000
1999-04-01	200000000
1999-07-01	-150000000
1999-10-01	-433000000
2000-01-01	-19000000
2000-04-01	804000000
2000-07-01	-110000000
2000-10-01	-1374000000
2001-01-01	-678000000
2001-04-01	611000000
2001-07-01	1332000000
2001-10-01	1386000000
2002-01-01	1027000000
2002-04-01	1558000000
2002-07-01	5266000000
2002-10-01	5269000000
2003-01-01	3805000000
2003-04-01	6593000000
2003-07-01	7392000000
2003-10-01	7004000000
2004-01-01	6125000000
2004-04-01	8862000000
2004-07-01	10066000000
2004-10-01	8588000000
2005-01-01	8300000000
2005-04-01	11349000000
2005-07-01	12974000000
2005-10-01	12080000000
2006-01-01	9328000000
2006-04-01	10205000000
2006-07-01	14682000000
2006-10-01	12242000000
2007-01-01	8728000000
2007-04-01	11857000000
2007-07-01	10360000000
2007-10-01	9088000000
2008-01-01	2761000000
2008-04-01	8541000000
2008-07-01	8356000000
2008-10-01	5178000000
2009-01-01	2988000000
2009-04-01	10920000000
2009-07-01	7274000000
2009-10-01	4107000000
2010-01-01	881000000
2010-04-01	6999000000
2010-07-01	4805000000
2010-10-01	7462000000
2011-01-01	3142000000
2011-04-01	9810000000
2011-07-01	10108000000
2011-10-01	6732000000
2012-01-01	2418000000
2012-04-01	4639000000
2012-07-01	8638000000
2012-10-01	3700000000
2013-01-01	-5182000000
2013-04-01	2051000000
2013-07-01	1289000000
2013-10-01	4128000000
2014-01-01	-6083000000
2014-04-01	3566000000
2014-07-01	1793000000
2014-10-01	-3235000000