Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	-91900000.00000000
1980-04-01	-9700000.00000000
1980-07-01	104500000.00000000
1980-10-01	55500000.00000000
1981-01-01	58100000.00000000
1981-04-01	362500000.00000000
1981-07-01	274700000.00000000
1981-10-01	301800000.00000000
1982-01-01	352100000.00000000
1982-04-01	271400000.00000000
1982-07-01	155500000.00000000
1982-10-01	-132699999.99999999
1983-01-01	-242800000.00000000
1983-04-01	-65400000.00000001
1983-07-01	-95100000.00000000
1983-10-01	-115600000.00000000
1984-01-01	-64700000.00000000
1984-04-01	-195500000.00000000
1984-07-01	-95000000
1984-10-01	-80000000
1985-01-01	-486700000.00000000
1985-04-01	-72800000.00000000
1985-07-01	-17000000
1985-10-01	-19300000.00000000
1986-01-01	-104300000.00000000
1986-04-01	-115600000.00000000
1986-07-01	-161800000.00000000
1986-10-01	-136800000.00000000
1987-01-01	-290500000.00000000
1987-04-01	-202100000.00000000
1987-07-01	-239700000.00000000
1987-10-01	-271700000.00000000
1988-01-01	619300000.00000000
1988-04-01	-83200000.00000000
1988-07-01	207800000.00000000
1988-10-01	255900000.00000000
1989-01-01	4400000.00000000
1989-04-01	93800000.00000000
1989-07-01	101100000.00000000
1989-10-01	252000000.00000000
1990-01-01	1279800000.00000000
1990-04-01	865400000.00000000
1990-07-01	744700000.00000000
1990-10-01	518600000.00000000
1991-01-01	3151900000.00000000
1991-04-01	4241500000.00000000
1991-07-01	2352600000.00000000
1991-10-01	3007200000.00000000
1992-01-01	3882400000.00000000
1992-04-01	3283500000.00000000
1992-07-01	5267500000.00000000
1992-10-01	5607700000.00000000
1993-01-01	6248600000.00000000
1993-04-01	6307600000.00000000
1993-07-01	6816700000.00000000
1993-10-01	9446400000.00000000
1994-01-01	8615800000.00000000
1994-04-01	1435700000.00000000
1994-07-01	3646000000.00000000
1994-10-01	-5150300000.00000000
1995-01-01	-7355100000.00000000
1995-04-01	-3832600000.00000000
1995-07-01	-248500000.00000000
1995-10-01	1721500000.00000000
1996-01-01	1558000000.00000000
1996-04-01	2224300000.00000000
1996-07-01	9168300000.00000000
1996-10-01	408300000.00000000
1997-01-01	2693900000.00000000
1997-04-01	6823500000.00000000
1997-07-01	-3125300000.00000000
1997-10-01	-1419600000.00000000
1998-01-01	3115100000.00000000
1998-04-01	-309000000.00000000
1998-07-01	-3113700000.00000000
1998-10-01	1261900000.00000000
1999-01-01	1805300000.00000000
1999-04-01	5170500000.00000000
1999-07-01	3571800000.00000000
1999-10-01	1425300000.00000000
2000-01-01	3687300000.00000000
2000-04-01	588700000.00000000
2000-07-01	-521400000.00000000
2000-10-01	-5149700000.00000000
2001-01-01	3610500000.00000000
2001-04-01	321600000.00000000
2001-07-01	-496500000.00000000
2001-10-01	-506300000.00000000
2002-01-01	2474800000.00000000
2002-04-01	-3648100000.00000000
2002-07-01	-1386000000.00000000
2002-10-01	888600000.00000000
2003-01-01	2868000000.00000000
2003-04-01	-312200000.00000000
2003-07-01	-2119000000.00000000
2003-10-01	2568800000.00000000
2004-01-01	2705600000.00000000
2004-04-01	-3128100000.00000000
2004-07-01	3366000000.00000000
2004-10-01	2062800000.00000020
2005-01-01	5350100000.00000000
2005-04-01	1434600000.00000000
2005-07-01	328200000.00000000
2005-10-01	-52400000.00000000
2006-01-01	3314700000.00000000
2006-04-01	609100000.00000000
2006-07-01	-8947600000.00000000
2006-10-01	5146100000.00000000
2007-01-01	1349800000.00000000
2007-04-01	4436700000.00000000
2007-07-01	2724000000.00000000
2007-10-01	4774900000.00000000
2008-01-01	4211899999.99999950
2008-04-01	5826100000.00000000
2008-07-01	547100000.00000000
2008-10-01	-6008000000.00000000
2009-01-01	-1176300000.00000000
2009-04-01	1034900000.00000010
2009-07-01	7740700000.00000000
2009-10-01	7688500000.00000000
2010-01-01	10354800000.00000000
2010-04-01	6257700000.00000000
2010-07-01	10222900000.00000000
2010-10-01	11204300000.00000000
2011-01-01	14170700000.00000000
2011-04-01	9453400000.00000000
2011-07-01	11062200000.00000000
2011-10-01	7825900000.00000000
2012-01-01	24971300000.00000000
2012-04-01	9041000000.00000000
2012-07-01	24283900000.00000000
2012-10-01	23545700000.00000000
2013-01-01	13074700000.00000000
2013-04-01	-291100000.00000000
2013-07-01	18412100000.00000000
2013-10-01	19922900000.00000000
2014-01-01	10600100000.00000000
2014-04-01	23680500000.00000000
2014-07-01	2823700000.00000000
2014-10-01	9974500000.00000000
2015-01-01	8295000000.00000000
2015-04-01	10015000000.00000000
2015-07-01	1884000000.00000000
2015-10-01	182800000.00000000
2016-01-01	12005800000.00000000
2016-04-01	-4434200000.00000000
2016-07-01	10071400000.00000000
2016-10-01	11003800000.00000000