Quarter	US Dollars, Sum Over Component Sub-periods
1994-01-01	-36000000
1994-04-01	-99000000
1994-07-01	-33000000
1994-10-01	-64000000
1995-01-01	97000000
1995-04-01	0
1995-07-01	-47000000
1995-10-01	106000000
1996-01-01	-4000000
1996-04-01	-90000000
1996-07-01	28000000
1996-10-01	139000000
1997-01-01	27000000
1997-04-01	-98000000
1997-07-01	-118000000
1997-10-01	-168000000
1998-01-01	-132000000
1998-04-01	-142000000
1998-07-01	-25000000
1998-10-01	-37000000
1999-01-01	-36000000
1999-04-01	92000000
1999-07-01	225000000
1999-10-01	320000000
2000-01-01	61000000
2000-04-01	94000000
2000-07-01	-41000000
2000-10-01	-44000000
2001-01-01	-164000000
2001-04-01	-144000000
2001-07-01	-231000000
2001-10-01	-278000000
2002-01-01	-234000000
2002-04-01	-250000000
2002-07-01	-94000000
2002-10-01	-173000000
2003-01-01	-155000000
2003-04-01	-70000000
2003-07-01	-229000000
2003-10-01	69000000
2004-01-01	-38000000
2004-04-01	-228000000
2004-07-01	-499000000
2004-10-01	-84000000
2005-01-01	-130000000
2005-04-01	11000000
2005-07-01	-415000000
2005-10-01	-504000000
2006-01-01	-62000000
2006-04-01	277000000
2006-07-01	-863000000
2006-10-01	-890000000
2007-01-01	-386000000
2007-04-01	-236000000
2007-07-01	-1211000000
2007-10-01	-1674000000
2008-01-01	-719000000
2008-04-01	89000000
2008-07-01	-931000000
2008-10-01	-1204000000
2009-01-01	-376000000
2009-04-01	-259000000
2009-07-01	-1222000000
2009-10-01	-1005000000
2010-01-01	-581000000
2010-04-01	19000000
2010-07-01	-1521000000
2010-10-01	-1516000000
2011-01-01	-1048000000
2011-04-01	141000000
2011-07-01	-1462000000
2011-10-01	-823000000
2012-01-01	-818000000
2012-04-01	-347000000