Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	-302000000
1980-04-01	100000000
1980-07-01	-49000000
1980-10-01	-205000000
1981-01-01	-514000000
1981-04-01	136000000
1981-07-01	122000000
1981-10-01	-210000000
1982-01-01	-216000000
1982-04-01	173000000
1982-07-01	-82000000
1982-10-01	-725000000
1983-01-01	-307000000
1983-04-01	495000000
1983-07-01	365000000
1983-10-01	11000000
1984-01-01	49000000
1984-04-01	-214000000
1984-07-01	1302000000
1984-10-01	-622000000
1985-01-01	570000000
1985-04-01	29000000
1985-07-01	-286000000
1985-10-01	-712000000
1986-01-01	288000000
1986-04-01	-141000000
1986-07-01	-371000000
1986-10-01	-771000000
1987-01-01	-411000000
1987-04-01	-116000000
1987-07-01	433000000
1987-10-01	-555000000
1988-01-01	-30000000
1988-04-01	-20000000
1988-07-01	726000000
1988-10-01	496000000
1989-01-01	-1907000000
1989-04-01	495000000
1989-07-01	177000000
1989-10-01	-168000000
1990-01-01	-61000000
1990-04-01	158000000
1990-07-01	158000000
1990-10-01	-766000000
1991-01-01	-1284000000
1991-04-01	41000000
1991-07-01	733000000
1991-10-01	684000000
1992-01-01	-87000000
1992-04-01	194000000
1992-07-01	1095000000
1992-10-01	242000000
1993-01-01	-624000000
1993-04-01	621000000
1993-07-01	-546000000
1993-10-01	-985000000
1994-01-01	-130000000
1994-04-01	806000000
1994-07-01	420000000
1994-10-01	-1221000000
1995-01-01	-2046000000
1995-04-01	237000000
1995-07-01	-101000000
1995-10-01	654000000
1996-01-01	-1588000000
1996-04-01	700000000
1996-07-01	-1379000000
1996-10-01	-1257000000
1997-01-01	-4229000000
1997-04-01	-2534000000
1997-07-01	-1295000000
1997-10-01	-1174000000
1998-01-01	-1335000000
1998-04-01	418000000
1998-07-01	105000000
1998-10-01	-924000000
1999-01-01	134000000
1999-04-01	-165000000
1999-07-01	315000000
1999-10-01	-1291000000
2000-01-01	-473000000
2000-04-01	473000000
2000-07-01	-343000000
2000-10-01	-529000000
2001-01-01	-811000000
2001-04-01	508000000
2001-07-01	-641000000
2001-10-01	975000000
2002-01-01	-1104000000
2002-04-01	-29000000
2002-07-01	817000000
2002-10-01	887000000
2003-01-01	341000000
2003-04-01	-342000000
2003-07-01	-692000000
2003-10-01	-656000000
2004-01-01	-403000000
2004-04-01	257000000
2004-07-01	18000000
2004-10-01	-258000000
2005-01-01	-422000000
2005-04-01	368000000
2005-07-01	-1089000000
2005-10-01	-432000000
2006-01-01	43000000
2006-04-01	785000000
2006-07-01	-71000000
2006-10-01	-1109000000
2007-01-01	-1385000000
2007-04-01	1464000000
2007-07-01	412000000
2007-10-01	1186000000
2008-01-01	-199000000
2008-04-01	-2188000000
2008-07-01	-5371000000
2008-10-01	-6413000000
2009-01-01	-2087000000
2009-04-01	-4544000000
2009-07-01	-8934000000
2009-10-01	-1077000000
2010-01-01	-3429000000
2010-04-01	-2580000000
2010-07-01	-729000000
2010-10-01	-5174000000
2011-01-01	-2082000000
2011-04-01	-2246000000
2011-07-01	-500000000
2011-10-01	294000000
2012-01-01	-1024000000
2012-04-01	454000000
2012-07-01	153000000
2012-10-01	596000000
2013-01-01	-1754000000
2013-04-01	-1130000000
2013-07-01	-378000000
2013-10-01	-1095000000
2014-01-01	-3608000000
2014-04-01	-1125000000
2014-07-01	-1901000000
2014-10-01	-762000000