Quarter	US Dollars, Sum Over Component Sub-periods
1981-01-01	-579800000.00000000
1981-04-01	900900000.00000000
1981-07-01	702200000.00000000
1981-10-01	1211680000.00000000
1982-01-01	1646960000.00000000
1982-04-01	2896910000.00000000
1982-07-01	1705200000.00000000
1982-10-01	1225910000.00000000
1983-01-01	3232290000.00000000
1983-04-01	651070000.00000000
1983-07-01	889220000.00000000
1983-10-01	1097950000.00000000
1984-01-01	1043079999.99999990
1984-04-01	389620000.00000000
1984-07-01	371270000.00000000
1984-10-01	671940000.00000000
1985-01-01	235670000.00000000
1985-04-01	322670000.00000000
1985-07-01	-2170000.00000000
1985-10-01	715600000.00000000
1986-01-01	1043390000.00000010
1986-04-01	971370000.00000000
1986-07-01	1933330000.00000000
1986-10-01	1232330000.00000000
1987-01-01	1219710000.00000000
1987-04-01	1044420000.00000010
1987-07-01	19180000.00000000
1987-10-01	568180000.00000000
1988-01-01	603670000.00000000
1988-04-01	359210000.00000000
1988-07-01	589620000.00000000
1988-10-01	777350000.00000000
1989-01-01	1188110000.00000000
1989-04-01	460910000.00000000
1989-07-01	506950000.00000000
1989-10-01	267470000.00000003
1990-01-01	682940000.00000000
1990-04-01	1907210000.00000000
1990-07-01	312540000.00000000
1990-10-01	-658840000.00000000
1991-01-01	1454100000.00000000
1991-04-01	636790000.00000000
1991-07-01	777270000.00000000
1991-10-01	1300610000.00000000
1992-01-01	1328040000.00000000
1992-04-01	1027220000.00000000
1992-07-01	892590000.00000000
1992-10-01	811560000.00000000
1993-01-01	657960000.00000000
1993-04-01	1232400000.00000000
1993-07-01	1319890000.00000000
1993-10-01	1827320000.00000000
1994-01-01	282180000.00000000
1994-04-01	1110000000.00000000
1994-07-01	980390000.00000000
1994-10-01	682870000.00000000
1995-01-01	1169830000.00000000
1995-04-01	1804820000.00000000
1995-07-01	2069170000.00000000
1995-10-01	3641820000.00000000
1996-01-01	956850000.00000000
1996-04-01	1439500000.00000000
1996-07-01	2891570000.00000000
1996-10-01	1056369999.99999990
1997-01-01	3112790000.00000000
1997-04-01	-15560000.00000000
1997-07-01	3080390000.00000000
1997-10-01	1356770000.00000000
1998-01-01	-1290280000.00000000
1998-04-01	-884100000.00000000
1998-07-01	-1375260000.00000000
1998-10-01	-2646660000.00000000
1999-01-01	-1386130000.00000000
1999-04-01	-1594730000.00000000
1999-07-01	-2454660000.00000000
1999-10-01	-2424410000.00000000
2000-01-01	-3480050000.00000000
2000-04-01	-2368930000.00000000
2000-07-01	-2713490000.00000000
2000-10-01	-3258950000.00000000
2001-01-01	-2529140000.00000000
2001-04-01	-2685140000.00000000
2001-07-01	-3001100000.00000000
2001-10-01	613500000.00000000
2002-01-01	-1499040000.00000000
2002-04-01	-1073690000.00000000
2002-07-01	-918770000.00000000
2002-10-01	-2569460000.00000000
2003-01-01	-1895320000.00000000
2003-04-01	-1131330000.00000000
2003-07-01	-971710000.00000000
2003-10-01	-598370000.00000000
2004-01-01	-1311410000.00000000
2004-04-01	-30700000.00000000
2004-07-01	1322590000.00000000
2004-10-01	1550490000.00000000
2005-01-01	-1163070000.00000000
2005-04-01	1894810000.00000000
2005-07-01	-140100000.00000000
2005-10-01	-733080000.00000000
2006-01-01	-3328790000.00000000
2006-04-01	-3323220000.00000000
2006-07-01	-3704180000.00000000
2006-10-01	-1576800000.00000000
2007-01-01	-2540730000.00000000
2007-04-01	-1605140000.00000000
2007-07-01	-2111630000.00000000
2007-10-01	-2857390000.00000000
2008-01-01	-1561000000.00000000
2008-04-01	780000000
2008-07-01	2597000000.00000000
2008-10-01	-1703000000.00000000
2009-01-01	-2120000000.00000000
2009-04-01	-3372000000.00000000
2009-07-01	-622000000.00000000
2009-10-01	-1540000000.00000000
2010-01-01	-959000000.00000000
2010-04-01	-1654000000.00000000
2010-07-01	509000000.00000000
2010-10-01	-1562000000.00000000
2011-01-01	-2832000000.00000000
2011-04-01	-250000000.00000000
2011-07-01	850000000
2011-10-01	3942000000.00000000
2012-01-01	3127000000.00000000
2012-04-01	7807000000.00000000
2012-07-01	4964000000.00000000
2012-10-01	8783000000.00000000
2013-01-01	6220000000.00000000
2013-04-01	10777000000.00000000
2013-07-01	8232000000.00000000
2013-10-01	4826000000.00000000