Quarter	US Dollars, Sum Over Component Sub-periods
1995-01-01	-168000000
1995-04-01	394000000
1995-07-01	-78000000
1995-10-01	259000000
1996-01-01	-118000000
1996-04-01	128000000
1996-07-01	-110000000
1996-10-01	33000000
1997-01-01	24000000
1997-04-01	47000000
1997-07-01	-102000000
1997-10-01	-125000000
1998-01-01	73000000
1998-04-01	77000000
1998-07-01	-148000000
1998-10-01	75000000
1999-01-01	54000000
1999-04-01	605000000
1999-07-01	-25000000
1999-10-01	186000000
2000-01-01	228000000
2000-04-01	133000000
2000-07-01	172000000
2000-10-01	64000000
2001-01-01	-111000000
2001-04-01	62000000
2001-07-01	-120000000
2001-10-01	17000000
2002-01-01	-27000000
2002-04-01	-28000000
2002-07-01	-137000000
2002-10-01	202000000
2003-01-01	-4000000
2003-04-01	-126000000
2003-07-01	-64000000
2003-10-01	256000000
2004-01-01	-58000000
2004-04-01	260000000
2004-07-01	267000000
2004-10-01	400000000
2005-01-01	23000000
2005-04-01	73000000
2005-07-01	254000000
2005-10-01	818000000
2006-01-01	47000000
2006-04-01	129000000
2006-07-01	651000000
2006-10-01	567000000
2007-01-01	411000000
2007-04-01	324000000
2007-07-01	528000000
2007-10-01	1423000000
2008-01-01	647000000
2008-04-01	1216000000
2008-07-01	1040000000
2008-10-01	905000000
2009-01-01	-83000000
2009-04-01	-100000000
2009-07-01	305000000
2009-10-01	127000000
2010-01-01	19000000
2010-04-01	365000000
2010-07-01	299000000
2010-10-01	-3000000
2011-01-01	53000000
2011-04-01	-370000000
2011-07-01	-114000000
2011-10-01	-235000000
2012-01-01	143000000
2012-04-01	-270000000
2012-07-01	-586000000
2012-10-01	-546000000
2013-01-01	-1146000000
2013-04-01	-908000000
2013-07-01	-922000000
2013-10-01	-765000000
2014-01-01	-726000000
2014-04-01	-693000000