Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	52630000.0000000
1990-04-01	61150000.0000000
1990-07-01	22510000.0000000
1990-10-01	125990000.0000000
1991-01-01	337890000.0000000
1991-04-01	328180000.0000000
1991-07-01	368860000.0000000
1991-10-01	127850000.0000000
1992-01-01	500540000.0000000
1992-04-01	347860000.0000000
1992-07-01	178600000.0000000
1992-10-01	200280000.0000000
1993-01-01	646600000.0000000
1993-04-01	269420000.0000000
1993-07-01	87110000.0000000
1993-10-01	-117490000.0000000
1994-01-01	386050000.0000000
1994-04-01	35180000.0000000
1994-07-01	78570000.0000000
1994-10-01	-101720000.0000000
1995-01-01	116610000.0000000
1995-04-01	313300000.0000000
1995-07-01	496760000.0000000
1995-10-01	-301190000.0000000
1996-01-01	372830000.0000000
1996-04-01	361690000.0000000
1996-07-01	806970000.0000000
1996-10-01	348640000.0000000
1997-01-01	786070000.0000000
1997-04-01	832130000.0000000
1997-07-01	892140000.0000000
1997-10-01	-775100000.0000000
1998-01-01	1619290000.0000000
1998-04-01	2173140000.0000000
1998-07-01	2681080000.0000000
1998-10-01	-1687300000.0000000
1999-01-01	4731360000.0000000
1999-04-01	2133580000.0000000
1999-07-01	3973400000.0000000
1999-10-01	1385580000.0000000
2000-01-01	2287490000.0000000
2000-04-01	5775120000.0000000
2000-07-01	6162220000.0000000
2000-10-01	6639410000.0000000
2001-01-01	-371830000.0000000
2001-04-01	3817670000.0000000
2001-07-01	1747210000.0000000
2001-10-01	283030000.0000000
2002-01-01	5439490000.0000000
2002-04-01	1268150000.0000000
2002-07-01	8333809999.9999990
2002-10-01	3388580000.0000000
2003-01-01	4363870000.0000000
2003-04-01	12957110000.0000000
2003-07-01	4310140000.0000000
2003-10-01	-4798880000.0000000
2004-01-01	-10096210000.0000000
2004-04-01	-5868340000.0000000
2004-07-01	193180000.0000000
2004-10-01	-13353010000.0000000
2005-01-01	1263280000.0000000
2005-04-01	-8892640000.0000000
2005-07-01	-19183970000.0000000
2005-10-01	-18028310000.0000000
2006-01-01	-5356500000.0000000
2006-04-01	-12103800000.0000000
2006-07-01	6797150000.0000000
2006-10-01	-10168310000.0000000
2007-01-01	1374050000.0000000
2007-04-01	-4180390000.0000005
2007-07-01	-1501360000.0000000
2007-10-01	8327809999.9999990
2008-01-01	-4780780000.0000000
2008-04-01	-4806450000.0000000
2008-07-01	-13909450000.0000000
2008-10-01	-11326510000.0000000
2009-01-01	-1440270000.0000000
2009-04-01	1563370000.0000000
2009-07-01	-10738190000.0000000
2009-10-01	10068020000.0000000
2010-01-01	6291990000.0000000
2010-04-01	3776480000.0000000
2010-07-01	-1751130000.0000000
2010-10-01	12597290000.0000000
2011-01-01	11215350000.0000000
2011-04-01	10611940000.0000000
2011-07-01	9350030000.0000000
2011-10-01	-5959230000.0000000
2012-01-01	15670050000.0000000
2012-04-01	-5550020000.0000000
2012-07-01	15943420000.0000000
2012-10-01	-6430620000.0000000
2013-01-01	9042500000.0000000
2013-04-01	8605300000.0000000
2013-07-01	-937820000.0000000
2013-10-01	-4346040000.0000000
2014-01-01	-11265450000.0000000