Quarter	US Dollars, Sum Over Component Sub-periods
1979-01-01	1000000
1979-04-01	3000000
1979-07-01	2000000
1979-10-01	1000000
1980-01-01	4000000
1980-04-01	6000000
1980-07-01	10000000
1980-10-01	5000000
1981-01-01	12000000
1981-04-01	-9000000
1981-07-01	6000000
1981-10-01	4000000
1982-01-01	3000000
1982-04-01	1000000
1982-07-01	2000000
1982-10-01	0
1983-01-01	0
1983-04-01	-2000000
1983-07-01	0
1983-10-01	-1000000
1984-01-01	0
1984-04-01	4000000
1984-07-01	3000000
1984-10-01	2000000
1985-01-01	2000000
1985-04-01	3000000
1985-07-01	1000000
1985-10-01	1000000
1986-01-01	2000000
1986-04-01	3000000
1986-07-01	2000000
1986-10-01	-1000000
1987-01-01	0
1987-04-01	5000000
1987-07-01	0
1987-10-01	1000000
1988-01-01	1000000
1988-04-01	0
1988-07-01	0
1988-10-01	0
1989-01-01	-1000000
1989-04-01	-1000000
1989-07-01	0
1989-10-01	0
1990-01-01	0
1990-04-01	0
1990-07-01	0
1990-10-01	1000000
1991-01-01	0
1991-04-01	0
1991-07-01	0
1991-10-01	0
1992-01-01	1000000
1992-04-01	5000000
1992-07-01	13000000
1992-10-01	19000000
1993-01-01	16000000
1993-04-01	16000000
1993-07-01	22000000
1993-10-01	29000000
1994-01-01	33000000
1994-04-01	36000000
1994-07-01	43000000
1994-10-01	62000000
1995-01-01	71000000
1995-04-01	83000000
1995-07-01	104000000
1995-10-01	93000000
1996-01-01	90000000
1996-04-01	95000000
1996-07-01	103000000
1996-10-01	166000000
1997-01-01	114000000
1997-04-01	97000000
1997-07-01	90000000
1997-10-01	92000000
1998-01-01	98000000
1998-04-01	88000000
1998-07-01	122000000
1998-10-01	13000000
1999-01-01	122000000
1999-04-01	74000000
1999-07-01	76000000
1999-10-01	67000000
2000-01-01	73000000
2000-04-01	71000000
2000-07-01	64000000
2000-10-01	64000000
2001-01-01	76000000
2001-04-01	68000000
2001-07-01	76000000
2001-10-01	-256000000
2002-01-01	76000000
2002-04-01	99000000
2002-07-01	137000000
2002-10-01	121000000
2003-01-01	93000000
2003-04-01	116000000
2003-07-01	131000000
2003-10-01	158000000
2004-01-01	199000000
2004-04-01	216000000
2004-07-01	-205000000
2004-10-01	161000000
2005-01-01	179000000
2005-04-01	220000000
2005-07-01	189000000
2005-10-01	75000000
2006-01-01	193000000
2006-04-01	236000000
2006-07-01	194000000
2006-10-01	245000000
2007-01-01	206000000
2007-04-01	136000000
2007-07-01	222000000
2007-10-01	192000000
2008-01-01	170000000
2008-04-01	218000000
2008-07-01	309000000
2008-10-01	357000000
2009-01-01	338000000
2009-04-01	242000000
2009-07-01	205000000
2009-10-01	343000000
2010-01-01	239000000
2010-04-01	255000000
2010-07-01	312000000
2010-10-01	312000000
2011-01-01	276000000
2011-04-01	390000000
2011-07-01	445000000
2011-10-01	462000000
2012-01-01	375000000
2012-04-01	551000000
2012-07-01	-3217000000
2012-10-01	415000000
2013-01-01	278000000
2013-04-01	378000000
2013-07-01	274000000
2013-10-01	264000000
2014-01-01	194000000
2014-04-01	140000000
2014-07-01	83000000
2014-10-01	172000000