Quarter	US Dollars, Sum Over Component Sub-periods
1988-01-01	3166180000.00000000
1988-04-01	2286930000.00000000
1988-07-01	846730000.00000000
1988-10-01	2641410000.00000000
1989-01-01	7451220000.00000000
1989-04-01	3242050000.00000000
1989-07-01	2860480000.00000000
1989-10-01	897480000.00000000
1990-01-01	9603160000.00000000
1990-04-01	7048610000.00000000
1990-07-01	4349050000.00000000
1990-10-01	11741580000.00000000
1991-01-01	10319720000.00000000
1991-04-01	6915610000.00000000
1991-07-01	4702750000.00000000
1991-10-01	9371210000.00000000
1992-01-01	7158740000.00000000
1992-04-01	16101660000.00000000
1992-07-01	10101220000.00000000
1992-10-01	2990730000.00000000
1993-01-01	9850600000.00000000
1993-04-01	490820000.00000000
1993-07-01	-1543710000.00000000
1993-10-01	1018850000.00000000
1994-01-01	-3988530000.00000000
1994-04-01	-5442630000.00000000
1994-07-01	-3528540000.00000000
1994-10-01	-2245520000.00000000
1995-01-01	4834320000.00000000
1995-04-01	-4656930000.00000000
1995-07-01	-1973270000.00000000
1995-10-01	-2368790000.00000000
1996-01-01	2076850000.00000000
1996-04-01	-11372710000.00000000
1996-07-01	-5702380000.00000000
1996-10-01	-2740390000.00000000
1997-01-01	9536190000.00000000
1997-04-01	-12857640000.00000000
1997-07-01	-8458360000.00000100
1997-10-01	-4708810000.00000000
1998-01-01	9466590000.00000000
1998-04-01	-1765860000.00000000
1998-07-01	-455110000.00000000
1998-10-01	-1646580000.00000000
1999-01-01	266029999.99999997
1999-04-01	-4339020000.00000000
1999-07-01	-5502360000.00000000
1999-10-01	3200840000.00000000
2000-01-01	4359760000.00000000
2000-04-01	4993470000.00000000
2000-07-01	-332560000.00000000
2000-10-01	-1709410000.00000000
2001-01-01	-1821310000.00000000
2001-04-01	5898200000.00000000
2001-07-01	-1680360000.00000000
2001-10-01	-4819580000.00000000
2002-01-01	1302670000.00000000
2002-04-01	3491780000.00000000
2002-07-01	-1830640000.00000000
2002-10-01	5024350000.00000000
2003-01-01	9017600000.00000000
2003-04-01	12333510000.00000000
2003-07-01	-4589300000.00000000
2003-10-01	5222480000.00000000
2004-01-01	5285630000.00000000
2004-04-01	7380930000.00000000
2004-07-01	-4449320000.00000000
2004-10-01	5203630000.00000000
2005-01-01	9118170000.00000000
2005-04-01	10313500000.00000000
2005-07-01	2074370000.00000000
2005-10-01	6409460000.00000000
2006-01-01	14072700000.00000000
2006-04-01	5994080000.00000000
2006-07-01	4135899999.99999950
2006-10-01	9694920000.00000000
2007-01-01	8381959999.99999900
2007-04-01	11321160000.00000000
2007-07-01	9955470000.00000000
2007-10-01	9329120000.00000000
2008-01-01	22762270000.00000000
2008-04-01	29502590000.00000000
2008-07-01	-26925190000.00000000
2008-10-01	19813520000.00000000
2009-01-01	56191220000.00000000
2009-04-01	21488910000.00000000
2009-07-01	-45991540000.00000000
2009-10-01	16226480000.00000000
2010-01-01	7411980000.00000000
2010-04-01	34116190000.00000400
2010-07-01	27921440000.00000000
2010-10-01	42081830000.00000000
2011-01-01	19184390000.00000000
2011-04-01	35457810000.00000000
2011-07-01	14813510000.00000000
2011-10-01	26181970000.00000000
2012-01-01	1991500000.00000000
2012-04-01	11049240000.00000000
2012-07-01	5022330000.00000000
2012-10-01	4081620000.00000000
2013-01-01	5760850000.00000000
2013-04-01	-8140200000.00000000
2013-07-01	-20341240000.00000000
2013-10-01	-10371800000.00000000
2014-01-01	-5716280000.00000000