Quarterly US Dollars, Sum Over Component Sub-periods
1979-01-01 257000000
1979-04-01 -730000000
1979-07-01 284000000
1979-10-01 58000000
1980-01-01 -524000000
1980-04-01 -79000000
1980-07-01 535000000
1980-10-01 -275000000
1981-01-01 -439000000
1981-04-01 337000000
1981-07-01 492000000
1981-10-01 -805000000
1982-01-01 264000000
1982-04-01 -404000000
1982-07-01 203000000
1982-10-01 -432000000
1983-01-01 733000000
1983-04-01 -226000000
1983-07-01 -600000000
1983-10-01 -578000000
1984-01-01 91000000
1984-04-01 359000000
1984-07-01 -612000000
1984-10-01 564000000
1985-01-01 366000000
1985-04-01 736000000
1985-07-01 -365000000
1985-10-01 -1142000000
1986-01-01 212000000
1986-04-01 -828000000
1986-07-01 -115000000
1986-10-01 787000000
1987-01-01 348000000
1987-04-01 418000000
1987-07-01 -1214000000
1987-10-01 -358000000
1988-01-01 129000000
1988-04-01 -647000000
1988-07-01 -56000000
1988-10-01 -259000000
1989-01-01 734000000
1989-04-01 -333000000
1989-07-01 -302000000
1989-10-01 -873000000
1990-01-01 -354000000
1990-04-01 -57000000
1990-07-01 20000000
1990-10-01 62000000
1991-01-01 -68000000
1991-04-01 737000000
1991-07-01 580000000
1991-10-01 -373000000
1992-01-01 298000000
1992-04-01 -623000000
1992-07-01 -743000000
1992-10-01 -318000000
1993-01-01 -102000000
1993-04-01 37000000
1993-07-01 -1059000000
1993-10-01 14000000
1994-01-01 588000000
1994-04-01 -659000000
1994-07-01 -277000000
1994-10-01 683000000
1995-01-01 434000000
1995-04-01 705000000
1995-07-01 1248000000
1995-10-01 -179000000
1996-01-01 -1214000000
1996-04-01 209000000
1996-07-01 91000000
1996-10-01 -886000000
1997-01-01 -1399000000
1997-04-01 -1699000000
1997-07-01 902000000
1997-10-01 -1058000000
1998-01-01 -950000000
1998-04-01 -3702000000
1998-07-01 82000000
1998-10-01 314000000
1999-01-01 147000000
1999-04-01 -957000000
1999-07-01 154000000
1999-10-01 850000000
2000-01-01 -1249000000
2000-04-01 1177000000
2000-07-01 843000000
2000-10-01 1866000000
2001-01-01 545000000
2001-04-01 -6000000
2001-07-01 -1543000000
2001-10-01 473000000
2002-01-01 -302000000
2002-04-01 -45000000
2002-07-01 237000000
2002-10-01 44000000
2003-01-01 -334000000
2003-04-01 -420000000
2003-07-01 -49000000
2003-10-01 10000000
2004-01-01 -357000000
2004-04-01 -778000000
2004-07-01 -822000000
2004-10-01 45000000
2005-01-01 45000000
2005-04-01 -29000000
2005-07-01 60000000
2005-10-01 -277000000
2006-01-01 -99000000
2006-04-01 -661000000
2006-07-01 -398000000
2006-10-01 1063000000
2007-01-01 -1612000000
2007-04-01 123000000
2007-07-01 -929000000
2007-10-01 -733000000
2008-01-01 -3879000000
2008-04-01 -225000000
2008-07-01 -3151000000
2008-10-01 9060000000
2009-01-01 199000000
2009-04-01 -295000000
2009-07-01 1986000000
2009-10-01 -2237000000
2010-01-01 -1349000000
2010-04-01 -1152000000
2010-07-01 -242000000
2010-10-01 -794000000
2011-01-01 -1221000000
2011-04-01 824000000
2011-07-01 -1291000000
2011-10-01 417000000
2012-01-01 1006000000
2012-04-01 -114000000
2012-07-01 75000000
2012-10-01 2171000000
2013-01-01 119000000
2013-04-01 -1495000000
2013-07-01 1519000000
2013-10-01 805000000
2014-01-01 1646000000
2014-04-01 2360000000
2014-07-01 -59000000
2014-10-01 -225000000