Quarter	US Dollars, sum over component sub-periods
1980-01-01	-1971100000.00000000
1980-04-01	-1349900000.00000000
1980-07-01	-2685100000.00000000
1980-10-01	-997000000.00000000
1981-01-01	-1406300000.00000000
1981-04-01	-1294900000.00000000
1981-07-01	-560400000.00000000
1981-10-01	-1884100000.00000000
1982-01-01	-303000000.00000000
1982-04-01	-1033300000.00000000
1982-07-01	-504700000.00000000
1982-10-01	-2851300000.00000000
1983-01-01	-429800000.00000000
1983-04-01	-595700000.00000000
1983-07-01	-1330500000.00000000
1983-10-01	-631900000.00000000
1984-01-01	-39700000.00000000
1984-04-01	-992600000.00000000
1984-07-01	-211200000.00000000
1984-10-01	-271000000.00000000
1985-01-01	-419200000.00000000
1985-04-01	-719300000.00000000
1985-07-01	-505300000.00000000
1985-10-01	-732500000.00000000
1986-01-01	575200000.00000000
1986-04-01	276300000.00000000
1986-07-01	799800000.00000000
1986-10-01	580600000.00000000
1987-01-01	2233200000.00000000
1987-04-01	2496900000.00000000
1987-07-01	2634800000.00000000
1987-10-01	3061900000.00000000
1988-01-01	-576200000.00000000
1988-04-01	445700000.00000000
1988-07-01	688300000.00000000
1988-10-01	3848900000.00000000
1989-01-01	226600000.00000000
1989-04-01	-264300000.00000000
1989-07-01	-125400000.00000000
1989-10-01	2508100000.00000000
1990-01-01	104000000.00000000
1990-04-01	-470100000.00000000
1990-07-01	-543000000.00000000
1990-10-01	-1438400000.00000000
1991-01-01	-1669800000.00000000
1991-04-01	-1095500000.00000000
1991-07-01	-949700000.00000000
1991-10-01	570200000.00000000
1992-01-01	-1013100000.00000000
1992-04-01	1366500000.00000000
1992-07-01	804200000.00000000
1992-10-01	-1021400000.00000000
1993-01-01	159900000.00000000
1993-04-01	2575500000.00000000
1993-07-01	722600000.00000000
1993-10-01	3410000000.00000000
1994-01-01	-1313500000.00000000
1994-04-01	-921700000.00000000
1994-07-01	-1043599999.99999990
1994-10-01	-2998300000.00000000
1995-01-01	-3022200000.00000000
1995-04-01	-2825100000.00000000
1995-07-01	-1729600000.00000000
1995-10-01	-775700000.00000000
1996-01-01	-5092600000.00000000
1996-04-01	-4530900000.00000000
1996-07-01	96899999.99999991
1996-10-01	-2316000000.00000000
1997-01-01	-3214800000.00000000
1997-04-01	-1284800000.00000000
1997-07-01	3777400000.00000000
1997-10-01	8043700000.00000000
1998-01-01	4366800000.00000000
1998-04-01	-1084900000.00000000
1998-07-01	-364300000.00000000
1998-10-01	-32500000.00000000
1999-01-01	899600000.00000000
1999-04-01	5342400000.00000000
1999-07-01	4048800000.00000000
1999-10-01	532600000.00000000
2000-01-01	-3098300000.00000000
2000-04-01	103000000.00000000
2000-07-01	2136400000.00000000
2000-10-01	5372200000.00000000
2001-01-01	4814200000.00000000
2001-04-01	5846600000.00000000
2001-07-01	-1222800000.00000000
2001-10-01	1998200000.00000000
2002-01-01	-3844800000.00000000
2002-04-01	-3834500000.00000000
2002-07-01	-379000000.00000000
2002-10-01	5236400000.00000000
2003-01-01	-2199000000.00000000
2003-04-01	2340700000.00000000
2003-07-01	5625500000.00000000
2003-10-01	4879000000.00000000
2004-01-01	5151700000.00000000
2004-04-01	8922600000.00000000
2004-07-01	5437600000.00000000
2004-10-01	-9172000000.00000000
2005-01-01	-4564400000.00000000
2005-04-01	-1765100000.00000000
2005-07-01	2859600000.00000000
2005-10-01	6019800000.00000000
2006-01-01	-5603600000.00000000
2006-04-01	-15638500000.00000000
2006-07-01	-10693200000.00000000
2006-10-01	-4140800000.00000000
2007-01-01	-16709700000.00000000
2007-04-01	-8753100000.00000000
2007-07-01	-3401800000.00000000
2007-10-01	-3650500000.00000000
2008-01-01	-10138000000.00000000
2008-04-01	5058100000.00000000
2008-07-01	-6295700000.00000000
2008-10-01	35994100000.00000000
2009-01-01	-3652400000.00000000
2009-04-01	5296700000.00000000
2009-07-01	-1938300000.00000000
2009-10-01	-1526000000.00000000
2010-01-01	2015300000.00000000
2010-04-01	5836100000.00000000
2010-07-01	6961400000.00000000
2010-10-01	5817700000.00000000
2011-01-01	-11172400000.00000000
2011-04-01	-3754900000.00000000
2011-07-01	20439500000.00000000
2011-10-01	-2969500000.00000000
2012-01-01	6495100000.00000000
2012-04-01	-6181100000.00000000
2012-07-01	13247200000.00000000
2012-10-01	13076100000.00000000
2013-01-01	-2880200000.00000000
2013-04-01	10063800000.00000000
2013-07-01	23611400000.00000000
2013-10-01	12486100000.00000000
2014-01-01	-5879900000.00000000
2014-04-01	3182900000.00000000
2014-07-01	9803200000.00000000
2014-10-01	18794400000.00000000
2015-01-01	4518700000.00000000
2015-04-01	5947400000.00000000
2015-07-01	10106900000.00000000
2015-10-01	2696200000.00000000
2016-01-01	5596800000.00000000
2016-04-01	5103800000.00000000
2016-07-01	3949400000.00000000
2016-10-01	-1085200000.00000000
2017-01-01	7063200000.00000000
2017-04-01	-96600000.00000000
2017-07-01	2945800000.00000000
2017-10-01	8610900000.00000000
2018-01-01	-1478800000.00000000
2018-04-01	-9371500000.00000000
2018-07-01	6803200000.00000000