Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	25000000
1980-04-01	22000000
1980-07-01	61000000
1980-10-01	40000000
1981-01-01	15000000
1981-04-01	69000000
1981-07-01	-29000000
1981-10-01	38000000
1982-01-01	45000000
1982-04-01	32000000
1982-07-01	-31000000
1982-10-01	-148000000
1983-01-01	239000000
1983-04-01	208000000
1983-07-01	196000000
1983-10-01	220000000
1984-01-01	-3000000
1984-04-01	-81000000
1984-07-01	-19000000
1984-10-01	1000000
1985-01-01	-4000000
1985-04-01	-4000000
1985-07-01	-5000000
1985-10-01	5000000
1986-01-01	-10000000
1986-04-01	44000000
1986-07-01	-4000000
1986-10-01	5000000
1987-01-01	9000000
1987-04-01	-40000000
1987-07-01	-12000000
1987-10-01	-6000000
1988-01-01	7000000
1988-04-01	4000000
1988-07-01	2513000000
1988-10-01	1482000000
1989-01-01	-14000000
1989-04-01	-14000000
1989-07-01	734000000
1989-10-01	-3000000
1990-01-01	1000000
1990-04-01	-92000000
1990-07-01	-11000000
1990-10-01	-69000000
1991-01-01	397000000
1991-04-01	-39000000
1991-07-01	-20000000
1991-10-01	-118000000
1992-01-01	-15000000
1992-04-01	-121000000
1992-07-01	26000000
1992-10-01	-143000000
1993-01-01	996000000
1993-04-01	-85000000
1993-07-01	1231000000
1993-10-01	-5000000
1994-01-01	1265000000
1994-04-01	-15000000
1994-07-01	713000000
1994-10-01	754000000
1995-01-01	224000000
1995-04-01	185000000
1995-07-01	891000000
1995-10-01	422000000
1996-01-01	972000000
1996-04-01	374000000
1996-07-01	1463000000
1996-10-01	965000000
1997-01-01	1312000000
1997-04-01	619000000
1997-07-01	1898000000
1997-10-01	298000000
1998-01-01	1574000000
1998-04-01	562000000
1998-07-01	85000000
1998-10-01	167000000
1999-01-01	1209000000
1999-04-01	171000000
1999-07-01	378000000
1999-10-01	681000000
2000-01-01	3568000000
2000-04-01	-10000000
2000-07-01	972000000
2000-10-01	116000000
2001-01-01	-709000000
2001-04-01	916000000
2001-07-01	-654000000
2001-10-01	-654000000
2002-01-01	363000000
2002-04-01	419000000
2002-07-01	510000000
2002-10-01	310000000
2003-01-01	-305000000
2003-04-01	170000000
2003-07-01	1301000000
2003-10-01	148000000
2004-01-01	3500000000
2004-04-01	2545000000
2004-07-01	30000000
2004-10-01	988000000
2005-01-01	2116000000
2005-04-01	-178000000
2005-07-01	-353000000
2005-10-01	1170000000
2006-01-01	9307000000
2006-04-01	-2054000000
2006-07-01	218000000
2006-10-01	1612000000
2007-01-01	1091000000
2007-04-01	1147000000
2007-07-01	54000000
2007-10-01	-657000000
2008-01-01	512000000
2008-04-01	565000000
2008-07-01	-1082000000
2008-10-01	1001000000
2009-01-01	661000000
2009-04-01	185000000
2009-07-01	1074000000
2009-10-01	470000000
2010-01-01	3712000000
2010-04-01	632000000
2010-07-01	321000000
2010-10-01	4321000000
2011-01-01	1864000000
2011-04-01	576000000
2011-07-01	-2408000000
2011-10-01	-5424000000
2012-01-01	-766000000
2012-04-01	-2510000000
2012-07-01	500000000
2012-10-01	-555000000
2013-01-01	1784000000
2013-04-01	459000000
2013-07-01	-1515000000
2013-10-01	1026000000
2014-01-01	3032000000
2014-04-01	1648000000
2014-07-01	1909000000
2014-10-01	3163000000