Quarter US Dollars, Sum Over Component Sub-periods 1980-01-01 -14000000.0000000 1980-04-01 35000000 1980-07-01 -13000000.0000000 1980-10-01 -25000000.0000000 1981-01-01 64000000 1981-04-01 137000000.0000000 1981-07-01 80000000 1981-10-01 -116000000.0000000 1982-01-01 39000000 1982-04-01 77000000 1982-07-01 149000000.0000000 1982-10-01 10000000 1983-01-01 -37000000.0000000 1983-04-01 -43000000.0000000 1983-07-01 -32000000.0000000 1983-10-01 -22000000.0000000 1984-01-01 -41000000.0000000 1984-04-01 -63000000.0000000 1984-07-01 -122000000.0000000 1984-10-01 -94000000.0000000 1985-01-01 -114000000.0000000 1985-04-01 -94000000.0000000 1985-07-01 -81000000.0000000 1985-10-01 -100000000.0000000 1986-01-01 -136000000.0000000 1986-04-01 -178000000.0000000 1986-07-01 -115000000.0000000 1986-10-01 -280000000.0000000 1987-01-01 -124000000.0000000 1987-04-01 -220000000.0000000 1987-07-01 -144000000.0000000 1987-10-01 91000000 1988-01-01 -652000000.0000000 1988-04-01 -13500000.0000000 1988-07-01 -13800000.0000000 1988-10-01 -14100000.0000000 1989-01-01 -14000000.0000000 1989-04-01 -13000000.0000000 1989-07-01 -14000000.0000000 1989-10-01 -15000000.0000000 1990-01-01 -7097000000.0000000 1990-04-01 -67000000.0000000 1990-07-01 -82000000.0000000 1990-10-01 -108000000.0000000 1991-01-01 -147300000.0000000 1991-04-01 -149300000.0000000 1991-07-01 -152400000.0000000 1991-10-01 -155300000.0000000 1992-01-01 -159300000.0000000 1992-04-01 563000000.0000000 1992-07-01 350300000.0000000 1992-10-01 411200000.0000000 1993-01-01 -136700000.0000000 1993-04-01 -139500000.0000000 1993-07-01 -142600000.0000000 1993-10-01 -145500000.0000000 1994-01-01 -149100000.0000000 1994-04-01 -152300000.0000000 1994-07-01 -154900000.0000000 1994-10-01 -158800000.0000000 1995-01-01 -313200000.0000000 1995-04-01 -121400000.0000000 1995-07-01 -2366300000.0000000 1995-10-01 -1116900000.0000000 1996-01-01 255900000.0000000 1996-04-01 758000000.0000000 1996-07-01 -878700000.0000000 1996-10-01 203000000.0000000 1997-01-01 649800000.0000000 1997-04-01 -1851900000.0000000 1997-07-01 -1013100000.0000000 1997-10-01 4184899999.9999995 1998-01-01 -240700000.0000000 1998-04-01 -342200000.0000000 1998-07-01 802900000.0000000 1998-10-01 -273800000.0000000 1999-01-01 173800000.0000000 1999-04-01 -355900000.0000000 1999-07-01 -806800000.0000000 1999-10-01 -403700000.0000000 2000-01-01 944800000.0000000 2000-04-01 -150800000.0000000 2000-07-01 2201600000.0000000 2000-10-01 141300000.0000000 2001-01-01 972600000.0000000 2001-04-01 3400000.0000000 2001-07-01 229900000.0000000 2001-10-01 875200000.0000000 2002-01-01 -651500000.0000000 2002-04-01 1856200000.0000000 2002-07-01 1157300000.0000000 2002-10-01 -590900000.0000000 2003-01-01 542900000.0000000 2003-04-01 44400000.0000000 2003-07-01 -485500000.0000000 2003-10-01 1112800000.0000000 2004-01-01 511900000.0000000 2004-04-01 1326800000.0000000 2004-07-01 -5080200000.0000000 2004-10-01 1487500000.0000000 2005-01-01 -17927800000.0000000 2005-04-01 1398300000.0000000 2005-07-01 -2181500000.0000000 2005-10-01 -1836700000.0000000 2006-01-01 -9884300000.0000000 2006-04-01 6472200000.0000000 2006-07-01 2279400000.0000000 2006-10-01 -596100000.0000000 2007-01-01 -8472600000.0000000 2007-04-01 -7463100000.0000000 2007-07-01 12016800000.0000000 2007-10-01 -10820400000.0000000 2008-01-01 -8620800000.0000000 2008-04-01 -11051900000.0000000 2008-07-01 14248400000.0000000 2008-10-01 18085200000.0000000 2009-01-01 -20220200000.0000000 2009-04-01 -1615200000.0000000 2009-07-01 -509700000.0000000 2009-10-01 -7924200000.0000000 2010-01-01 -170200000.0000000 2010-04-01 -567300000.0000000 2010-07-01 4218300000.0000000 2010-10-01 -9383600000.0000000 2011-01-01 4479700000.0000000 2011-04-01 -2038100000.0000000 2011-07-01 4654700000.0000000 2011-10-01 -1772700000.0000000 2012-01-01 -1731900000.0000000 2012-04-01 -6029100000.0000000 2012-07-01 1325700000.0000000 2012-10-01 -2058400000.0000000 2013-01-01 -175300000.0000000 2013-04-01 1154800000.0000000 2013-07-01 -1539400000.0000000 2013-10-01 -1526400000.0000000 2014-01-01 357300000.0000000 2014-04-01 -765600000.0000000 2014-07-01 1368400000.0000000 2014-10-01 -1694100000.0000000 2015-01-01 118700000.0000000 2015-04-01 585400000.0000000 2015-07-01 -837700000.0000000 2015-10-01 7729200000.0000000 2016-01-01 177800000.0000000 2016-04-01 -281600000.0000000 2016-07-01 -3089300000.0000000 2016-10-01 5255300000.0000000