Quarter	US Dollars, Sum Over Component Sub-periods
1979-01-01	257000000
1979-04-01	-730000000
1979-07-01	284000000
1979-10-01	58000000
1980-01-01	-524000000
1980-04-01	-79000000
1980-07-01	535000000
1980-10-01	-275000000
1981-01-01	-439000000
1981-04-01	337000000
1981-07-01	492000000
1981-10-01	-805000000
1982-01-01	264000000
1982-04-01	-404000000
1982-07-01	203000000
1982-10-01	-432000000
1983-01-01	733000000
1983-04-01	-226000000
1983-07-01	-600000000
1983-10-01	-578000000
1984-01-01	91000000
1984-04-01	359000000
1984-07-01	-612000000
1984-10-01	564000000
1985-01-01	366000000
1985-04-01	736000000
1985-07-01	-365000000
1985-10-01	-1142000000
1986-01-01	212000000
1986-04-01	-828000000
1986-07-01	-115000000
1986-10-01	787000000
1987-01-01	348000000
1987-04-01	418000000
1987-07-01	-1214000000
1987-10-01	-358000000
1988-01-01	129000000
1988-04-01	-647000000
1988-07-01	-56000000
1988-10-01	-259000000
1989-01-01	734000000
1989-04-01	-333000000
1989-07-01	-302000000
1989-10-01	-873000000
1990-01-01	-354000000
1990-04-01	-57000000
1990-07-01	20000000
1990-10-01	62000000
1991-01-01	-68000000
1991-04-01	737000000
1991-07-01	580000000
1991-10-01	-373000000
1992-01-01	298000000
1992-04-01	-623000000
1992-07-01	-743000000
1992-10-01	-318000000
1993-01-01	-102000000
1993-04-01	37000000
1993-07-01	-1059000000
1993-10-01	14000000
1994-01-01	588000000
1994-04-01	-659000000
1994-07-01	-277000000
1994-10-01	683000000
1995-01-01	434000000
1995-04-01	705000000
1995-07-01	1248000000
1995-10-01	-179000000
1996-01-01	-1214000000
1996-04-01	209000000
1996-07-01	91000000
1996-10-01	-886000000
1997-01-01	-1399000000
1997-04-01	-1699000000
1997-07-01	902000000
1997-10-01	-1058000000
1998-01-01	-950000000
1998-04-01	-3702000000
1998-07-01	82000000
1998-10-01	314000000
1999-01-01	147000000
1999-04-01	-957000000
1999-07-01	154000000
1999-10-01	850000000
2000-01-01	-1249000000
2000-04-01	1177000000
2000-07-01	843000000
2000-10-01	1866000000
2001-01-01	545000000
2001-04-01	-6000000
2001-07-01	-1543000000
2001-10-01	473000000
2002-01-01	-302000000
2002-04-01	-45000000
2002-07-01	237000000
2002-10-01	44000000
2003-01-01	-334000000
2003-04-01	-420000000
2003-07-01	-49000000
2003-10-01	10000000
2004-01-01	-357000000
2004-04-01	-778000000
2004-07-01	-822000000
2004-10-01	45000000
2005-01-01	45000000
2005-04-01	-29000000
2005-07-01	60000000
2005-10-01	-277000000
2006-01-01	-99000000
2006-04-01	-661000000
2006-07-01	-398000000
2006-10-01	1063000000
2007-01-01	-1612000000
2007-04-01	123000000
2007-07-01	-929000000
2007-10-01	-733000000
2008-01-01	-3879000000
2008-04-01	-225000000
2008-07-01	-3151000000
2008-10-01	9060000000
2009-01-01	199000000
2009-04-01	-295000000
2009-07-01	1986000000
2009-10-01	-2237000000
2010-01-01	-1349000000
2010-04-01	-1152000000
2010-07-01	-242000000
2010-10-01	-794000000
2011-01-01	-1221000000
2011-04-01	824000000
2011-07-01	-1291000000
2011-10-01	417000000
2012-01-01	1006000000
2012-04-01	-114000000
2012-07-01	75000000
2012-10-01	2171000000
2013-01-01	119000000
2013-04-01	-1495000000
2013-07-01	1519000000
2013-10-01	805000000
2014-01-01	1646000000
2014-04-01	2360000000
2014-07-01	-59000000
2014-10-01	-225000000