Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	3427050000.0000000
1990-04-01	4628680000.0000000
1990-07-01	2872730000.0000000
1990-10-01	6359950000.0000000
1991-01-01	5591300000.0000000
1991-04-01	6064710000.0000000
1991-07-01	3781320000.0000000
1991-10-01	5653780000.0000000
1992-01-01	6399370000.0000000
1992-04-01	9245410000.0000000
1992-07-01	7089640000.0000000
1992-10-01	4756240000.0000000
1993-01-01	3347860000.0000000
1993-04-01	2840470000.0000000
1993-07-01	181910000.0000000
1993-10-01	1274700000.0000000
1994-01-01	2632280000.0000000
1994-04-01	639460000.0000000
1994-07-01	552120000.0000000
1994-10-01	2934740000.0000000
1995-01-01	3132280000.0000000
1995-04-01	2367330000.0000000
1995-07-01	-548540000.0000000
1995-10-01	544160000.0000000
1996-01-01	2893790000.0000000
1996-04-01	1903160000.0000000
1996-07-01	-1705900000.0000000
1996-10-01	-46950000.0000000
1997-01-01	2888280000.0000000
1997-04-01	652270000.0000000
1997-07-01	-1091150000.0000000
1997-10-01	1335790000.0000000
1998-01-01	2814570000.0000000
1998-04-01	1353080000.0000000
1998-07-01	-917320000.0000000
1998-10-01	4237470000.0000005
1999-01-01	4632090000.0000000
1999-04-01	3861700000.0000000
1999-07-01	4318230000.0000000
1999-10-01	6166190000.0000000
2000-01-01	7409670000.0000000
2000-04-01	6002490000.0000000
2000-07-01	5333640000.0000000
2000-10-01	4196350000.0000005
2001-01-01	7824780000.0000000
2001-04-01	5262450000.0000000
2001-07-01	5240700000.0000000
2001-10-01	6009810000.0000000
2002-01-01	7785220000.0000000
2002-04-01	3843030000.0000000
2002-07-01	5103960000.0000000
2002-10-01	4797130000.0000000
2003-01-01	9468000000.0000000
2003-04-01	6544450000.0000000
2003-07-01	7737740000.0000000
2003-10-01	5397160000.0000000
2004-01-01	13088080000.0000000
2004-04-01	12039470000.0000000
2004-07-01	13920760000.0000000
2004-10-01	14812930000.0000000
2005-01-01	23224170000.0000000
2005-04-01	19666860000.0000000
2005-07-01	22476090000.0000000
2005-10-01	20479090000.0000000
2006-01-01	30322690000.0000000
2006-04-01	23776610000.0000000
2006-07-01	31640820000.0000000
2006-10-01	29498080000.0000000
2007-01-01	33092830000.0000000
2007-04-01	33769910000.0000040
2007-07-01	40678390000.0000000
2007-10-01	37245420000.0000000
2008-01-01	48406020000.0000000
2008-04-01	47985230000.0000000
2008-07-01	36666380000.0000000
2008-10-01	23924080000.0000000
2009-01-01	26519130000.0000000
2009-04-01	14989390000.0000000
2009-07-01	15292130000.0000000
2009-10-01	20859360000.0000000
2010-01-01	25596130000.0000000
2010-04-01	15537380000.0000000
2010-07-01	16948910000.0000000
2010-10-01	7842780000.0000000
2011-01-01	14968810000.0000000
2011-04-01	12329120000.0000000
2011-07-01	13583210000.0000000
2011-10-01	8896480000.0000000
2012-01-01	13793380000.0000000
2012-04-01	4445600000.0000000
2012-07-01	567730000.0000000
2012-10-01	-9759780000.0000000
2013-01-01	5423990000.0000000
2013-04-01	-9731090000.0000000
2013-07-01	-13684220000.0000000
2013-10-01	-5145820000.0000000
2014-01-01	6711460000.0000000
2014-04-01	-13577840000.0000000