Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	-234000000
1980-04-01	362000000
1980-07-01	687000000
1980-10-01	-276000000
1981-01-01	-163000000
1981-04-01	604000000
1981-07-01	975000000
1981-10-01	314000000
1982-01-01	-112000000
1982-04-01	756000000
1982-07-01	1285000000
1982-10-01	359000000
1983-01-01	349000000
1983-04-01	805000000
1983-07-01	1231000000
1983-10-01	-38000000
1984-01-01	489000000
1984-04-01	879000000
1984-07-01	1545000000
1984-10-01	-970000000
1985-01-01	512000000
1985-04-01	625000000
1985-07-01	-290000000
1985-10-01	-869000000
1986-01-01	236000000
1986-04-01	-397000000
1986-07-01	6000000
1986-10-01	-778000000
1987-01-01	61000000
1987-04-01	507000000
1987-07-01	968000000
1987-10-01	-507000000
1988-01-01	-159000000
1988-04-01	188000000
1988-07-01	632000000
1988-10-01	-868000000
1989-01-01	-424000000
1989-04-01	255000000
1989-07-01	-281000000
1989-10-01	-693000000
1990-01-01	-752000000
1990-04-01	416000000
1990-07-01	142000000
1990-10-01	142000000
1991-01-01	754000000
1991-04-01	-472000000
1991-07-01	558000000
1991-10-01	205000000
1992-01-01	507000000
1992-04-01	-363000000
1992-07-01	1096000000
1992-10-01	-459000000
1993-01-01	654000000
1993-04-01	1092000000
1993-07-01	376000000
1993-10-01	-754000000
1994-01-01	-47000000
1994-04-01	157000000
1994-07-01	484000000
1994-10-01	556000000
1995-01-01	916000000
1995-04-01	1603000000
1995-07-01	982000000
1995-10-01	169000000
1996-01-01	1079000000
1996-04-01	1365000000
1996-07-01	1272000000
1996-10-01	-259000000
1997-01-01	368000000
1997-04-01	874000000
1997-07-01	495000000
1997-10-01	-1474000000
1998-01-01	489000000
1998-04-01	328000000
1998-07-01	674000000
1998-10-01	41000000
1999-01-01	3727000000
1999-04-01	458000000
1999-07-01	2338000000
1999-10-01	-528000000
2000-01-01	1376000000
2000-04-01	206000000
2000-07-01	1960000000
2000-10-01	1253000000
2001-01-01	-2394000000
2001-04-01	410000000
2001-07-01	-265000000
2001-10-01	-32000000
2002-01-01	-1539000000
2002-04-01	349000000
2002-07-01	442000000
2002-10-01	-1065000000
2003-01-01	-1104000000
2003-04-01	-1216000000
2003-07-01	123000000
2003-10-01	-2230000000
2004-01-01	-1638000000
2004-04-01	-783000000
2004-07-01	1827000000
2004-10-01	-3317000000
2005-01-01	-1249000000
2005-04-01	-3699000000
2005-07-01	-2278000000
2005-10-01	-2631000000
2006-01-01	-6774000000
2006-04-01	-1010000000
2006-07-01	585000000
2006-10-01	-3517000000
2007-01-01	-1798000000
2007-04-01	-1454000000
2007-07-01	1002000000
2007-10-01	-615000000
2008-01-01	75000000
2008-04-01	-1301000000
2008-07-01	-780000000
2008-10-01	689000000
2009-01-01	-1950000000
2009-04-01	-1637000000
2009-07-01	-2174000000
2009-10-01	-5157000000
2010-01-01	-1933000000
2010-04-01	-6327000000
2010-07-01	-1542000000
2010-10-01	-2127000000
2011-01-01	-3252000000
2011-04-01	1275000000
2011-07-01	-4029000000
2011-10-01	-6404000000
2012-01-01	-1034000000
2012-04-01	-4634000000
2012-07-01	-277000000
2012-10-01	-1244000000
2013-01-01	-1203000000
2013-04-01	-992000000
2013-07-01	-1368000000
2013-10-01	-6370000000
2014-01-01	-3918000000
2014-04-01	-2667000000
2014-07-01	-2889000000
2014-10-01	-5680000000