Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	0
1980-04-01	0
1980-07-01	0
1980-10-01	0
1981-01-01	0
1981-04-01	0
1981-07-01	0
1981-10-01	0
1982-01-01	0
1982-04-01	0
1982-07-01	0
1982-10-01	0
1983-01-01	0
1983-04-01	0
1983-07-01	0
1983-10-01	0
1984-01-01	0
1984-04-01	0
1984-07-01	0
1984-10-01	0
1985-01-01	0
1985-04-01	0
1985-07-01	0
1985-10-01	0
1986-01-01	0
1986-04-01	0
1986-07-01	0
1986-10-01	0
1987-01-01	0
1987-04-01	0
1987-07-01	0
1987-10-01	0
1988-01-01	0
1988-04-01	0
1988-07-01	0
1988-10-01	0
1989-01-01	0
1989-04-01	0
1989-07-01	0
1989-10-01	0
1990-01-01	0
1990-04-01	0
1990-07-01	-57000000
1990-10-01	-22000000
1991-01-01	-3000000
1991-04-01	18000000
1991-07-01	26000000
1991-10-01	-90000000
1992-01-01	-10000000
1992-04-01	-43000000
1992-07-01	-49000000
1992-10-01	-46000000
1993-01-01	-10000000
1993-04-01	-16000000
1993-07-01	-18000000
1993-10-01	-43000000
1994-01-01	-28000000
1994-04-01	-31000000
1994-07-01	-39000000
1994-10-01	-15000000
1995-01-01	-34000000
1995-04-01	-39000000
1995-07-01	-14000000
1995-10-01	-36000000
1996-01-01	-21000000
1996-04-01	23000000
1996-07-01	7000000
1996-10-01	74000000
1997-01-01	63000000
1997-04-01	-20000000
1997-07-01	-64000000
1997-10-01	-67000000
1998-01-01	-279000000
1998-04-01	-220000000
1998-07-01	-113000000
1998-10-01	-43000000
1999-01-01	-49000000
1999-04-01	30000000
1999-07-01	-46000000
1999-10-01	-448000000
2000-01-01	13000000
2000-04-01	77000000
2000-07-01	-141000000
2000-10-01	-128000000
2001-01-01	-69000000
2001-04-01	-28000000
2001-07-01	-27000000
2001-10-01	2000000
2002-01-01	-41000000
2002-04-01	215000000
2002-07-01	82000000
2002-10-01	106000000
2003-01-01	171000000
2003-04-01	233000000
2003-07-01	117000000
2003-10-01	97000000
2004-01-01	622000000
2004-04-01	545000000
2004-07-01	520000000
2004-10-01	334000000
2005-01-01	728000000
2005-04-01	613000000
2005-07-01	290000000
2005-10-01	159000000
2006-01-01	1681000000
2006-04-01	-2098000000
2006-07-01	-903000000
2006-10-01	1804000000
2007-01-01	1301000000
2007-04-01	1067000000
2007-07-01	1433000000
2007-10-01	1644000000
2008-01-01	-489000000
2008-04-01	-2636000000
2008-07-01	-4074000000
2008-10-01	-7170000000
2009-01-01	-2657000000
2009-04-01	599000000
2009-07-01	-1051000000
2009-10-01	16000000
2010-01-01	830000000
2010-04-01	-882000000
2010-07-01	-241000000
2010-10-01	1123000000
2011-01-01	922000000
2011-04-01	-161000000
2011-07-01	-1536000000
2011-10-01	-258000000
2012-01-01	1199000000
2012-04-01	-271000000
2012-07-01	595000000
2012-10-01	1105000000
2013-01-01	1419000000
2013-04-01	-605000000
2013-07-01	1694000000
2013-10-01	1331000000