Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	-666000000
1980-04-01	-724000000
1980-07-01	-1115000000
1980-10-01	-750000000
1981-01-01	-839000000
1981-04-01	-1016000000
1981-07-01	-1051000000
1981-10-01	-692000000
1982-01-01	-768000000
1982-04-01	-905000000
1982-07-01	-981000000
1982-10-01	-582000000
1983-01-01	-578000000
1983-04-01	-881000000
1983-07-01	-1070000000
1983-10-01	-722000000
1984-01-01	-579000000
1984-04-01	-700000000
1984-07-01	-801000000
1984-10-01	-499000000
1985-01-01	-600000000
1985-04-01	-826000000
1985-07-01	-493000000
1985-10-01	-458000000
1986-01-01	-315000000
1986-04-01	-587000000
1986-07-01	-480000000
1986-10-01	-459000000
1987-01-01	-853000000
1987-04-01	-1078000000
1987-07-01	-916000000
1987-10-01	-859000000
1988-01-01	-639000000
1988-04-01	-822000000
1988-07-01	-678000000
1988-10-01	-752000000
1989-01-01	-471000000
1989-04-01	-676000000
1989-07-01	-360000000
1989-10-01	-398000000
1990-01-01	-500000000
1990-04-01	-734000000
1990-07-01	-593000000
1990-10-01	-737000000
1991-01-01	-1289000000
1991-04-01	-1452000000
1991-07-01	-923000000
1991-10-01	-1197000000
1992-01-01	-880000000
1992-04-01	-1314000000
1992-07-01	-1224000000
1992-10-01	-1350000000
1993-01-01	-1417000000
1993-04-01	-1518000000
1993-07-01	-1407000000
1993-10-01	-1265000000
1994-01-01	-1196000000
1994-04-01	-1802000000
1994-07-01	-1550000000
1994-10-01	-938000000
1995-01-01	-1932000000
1995-04-01	-1649000000
1995-07-01	-1826000000
1995-10-01	-2031000000
1996-01-01	-2043000000
1996-04-01	-1978000000
1996-07-01	-1749000000
1996-10-01	-1596000000
1997-01-01	-1468000000
1997-04-01	-1532000000
1997-07-01	-1224000000
1997-10-01	-1359000000
1998-01-01	-1028000000
1998-04-01	-987000000
1998-07-01	-892000000
1998-10-01	-933000000
1999-01-01	-1072000000
1999-04-01	-1240000000
1999-07-01	-1465000000
1999-10-01	-1332000000
2000-01-01	-934000000
2000-04-01	-919000000
2000-07-01	-953000000
2000-10-01	-1051000000
2001-01-01	-1256000000
2001-04-01	-994000000
2001-07-01	-918000000
2001-10-01	-602000000
2002-01-01	-788000000
2002-04-01	-1230000000
2002-07-01	-986000000
2002-10-01	-1342000000
2003-01-01	-556000000
2003-04-01	-786000000
2003-07-01	-986000000
2003-10-01	-592000000
2004-01-01	-397000000
2004-04-01	-297000000
2004-07-01	-950000000
2004-10-01	-948000000
2005-01-01	-370000000
2005-04-01	-994000000
2005-07-01	-1112000000
2005-10-01	-1036000000
2006-01-01	-764000000
2006-04-01	-636000000
2006-07-01	-959000000
2006-10-01	-1495000000
2007-01-01	-167000000
2007-04-01	-968000000
2007-07-01	-2563000000
2007-10-01	-1542000000
2008-01-01	-1222000000
2008-04-01	-1567000000
2008-07-01	-2137000000
2008-10-01	-1485000000
2009-01-01	993000000
2009-04-01	96000000
2009-07-01	-875000000
2009-10-01	518000000
2010-01-01	36000000
2010-04-01	247000000
2010-07-01	-701000000
2010-10-01	-1484000000
2011-01-01	-1423000000
2011-04-01	-1948000000
2011-07-01	-1980000000
2011-10-01	-2790000000
2012-01-01	-3724000000
2012-04-01	-1849000000
2012-07-01	-1996000000
2012-10-01	-2174000000
2013-01-01	-1643000000
2013-04-01	-1814000000
2013-07-01	-3768000000
2013-10-01	-2104000000
2014-01-01	-705000000
2014-04-01	-2566000000
2014-07-01	-3311000000
2014-10-01	-2152000000