Quarter US Dollars, Sum Over Component Sub-periods 1984-01-01 -95000000 1984-04-01 -620000000 1984-07-01 -296000000 1984-10-01 -428000000 1985-01-01 -252000000 1985-04-01 -141000000 1985-07-01 6000000 1985-10-01 -626000000 1986-01-01 -714000000 1986-04-01 -384000000 1986-07-01 -245000000 1986-10-01 -122000000 1987-01-01 -501000000 1987-04-01 57000000 1987-07-01 337000000 1987-10-01 -699000000 1988-01-01 -415000000 1988-04-01 94000000 1988-07-01 856000000 1988-10-01 1061000000 1989-01-01 403000000 1989-04-01 -68000000 1989-07-01 438000000 1989-10-01 165000000 1990-01-01 -904000000 1990-04-01 -591000000 1990-07-01 -521000000 1990-10-01 -609000000 1991-01-01 -215000000 1991-04-01 208000000 1991-07-01 605000000 1991-10-01 -348000000 1992-01-01 -160000000 1992-04-01 -592000000 1992-07-01 -47000000 1992-10-01 -175000000 1993-01-01 -932000000 1993-04-01 -2344000000 1993-07-01 -1580000000 1993-10-01 -1577000000 1994-01-01 -1133000000 1994-04-01 1408000000 1994-07-01 2014000000 1994-10-01 342000000 1995-01-01 428000000 1995-04-01 -443000000 1995-07-01 25000000 1995-10-01 -2349000000 1996-01-01 -429000000 1996-04-01 -1430000000 1996-07-01 470000000 1996-10-01 -1048000000 1997-01-01 -1248000000 1997-04-01 -1032000000 1997-07-01 948000000 1997-10-01 -1306000000 1998-01-01 -1034000000 1998-04-01 -259000000 1998-07-01 1514000000 1998-10-01 1779000000 1999-01-01 1365000000 1999-04-01 -1290000000 1999-07-01 254000000 1999-10-01 -1254000000 2000-01-01 -2301000000 2000-04-01 -3271000000 2000-07-01 -1334000000 2000-10-01 -3014000000 2001-01-01 -571000000 2001-04-01 1422000000 2001-07-01 2092000000 2001-10-01 817000000 2002-01-01 -461000000 2002-04-01 -618000000 2002-07-01 1244000000 2002-10-01 -791000000 2003-01-01 -3082000000 2003-04-01 -2438000000 2003-07-01 1296000000 2003-10-01 -3330000000 2004-01-01 -5449000000 2004-04-01 -4174000000 2004-07-01 -52000000 2004-10-01 -4523000000 2005-01-01 -6078000000 2005-04-01 -6457000000 2005-07-01 -1835000000 2005-10-01 -7079000000 2006-01-01 -8860000000 2006-04-01 -10627000000 2006-07-01 -4532000000 2006-10-01 -7817000000 2007-01-01 -9400000000 2007-04-01 -9892000000 2007-07-01 -6494000000 2007-10-01 -11995000000 2008-01-01 -12163000000 2008-04-01 -15074000000 2008-07-01 -7229000000 2008-10-01 -5906000000 2009-01-01 -1749000000 2009-04-01 -4835000000 2009-07-01 -1182000000 2009-10-01 -4358000000 2010-01-01 -9206000000 2010-04-01 -10060000000 2010-07-01 -9535000000 2010-10-01 -16619000000 2011-01-01 -21354000000 2011-04-01 -22840000000 2011-07-01 -15004000000 2011-10-01 -15884000000 2012-01-01 -16350000000 2012-04-01 -13937000000 2012-07-01 -8102000000 2012-10-01 -10108000000 2013-01-01 -16559000000 2013-04-01 -20526000000 2013-07-01 -12127000000 2013-10-01 -15898000000 2014-01-01 -11672000000 2014-04-01 -12479000000