Quarter	US Dollars, sum over component sub-periods
1995-01-01	3612646000.00000000
1995-04-01	2974845000.00000000
1995-07-01	5590075000.00000000
1995-10-01	5841715000.00000000
1996-01-01	3340226000.00000000
1996-04-01	3748856000.00000000
1996-07-01	443800000.00000000
1996-10-01	3456234000.00000000
1997-01-01	-728845000.00000000
1997-04-01	-1535697000.00000000
1997-07-01	-417186000.00000000
1997-10-01	-164085000.00000000
1998-01-01	8732980978.00000000
1998-04-01	-1246978109.00000000
1998-07-01	-9621465213.00000000
1998-10-01	-757633099.80000000
1999-01-01	-4481639229.00000000
1999-04-01	4273852775.99999950
1999-07-01	-2472144614.00000000
1999-10-01	-6543452190.00000000
2000-01-01	-1919104281.00000000
2000-04-01	-11374761460.00000000
2000-07-01	-2917118785.00000000
2000-10-01	998448910.90000000
2001-01-01	775473274.10000000
2001-04-01	5375427336.00000000
2001-07-01	4401838521.00000000
2001-10-01	-1200008391.00000000
2002-01-01	-2043639598.00000000
2002-04-01	7793368428.00000000
2002-07-01	-1409372488.00000000
2002-10-01	-2190738840.00000000
2003-01-01	2481145161.00000000
2003-04-01	1388793534.00000000
2003-07-01	-582395102.20000000
2003-10-01	-3973057816.00000000
2004-01-01	-2720673011.00000000
2004-04-01	-223935118.20000002
2004-07-01	-3702502411.00000000
2004-10-01	-2073761955.99999980
2005-01-01	-614784523.00000000
2005-04-01	-7196323564.00000000
2005-07-01	-3838064630.00000000
2005-10-01	-10474062770.00000000
2006-01-01	2478845070.00000000
2006-04-01	4762711403.00000000
2006-07-01	1868614088.00000000
2006-10-01	15376305030.00000000
2007-01-01	12388823640.00000000
2007-04-01	19050790030.00000000
2007-07-01	-2077879136.00000000
2007-10-01	2321193113.00000000
2008-01-01	11792696070.00000000
2008-04-01	8566197042.00000000
2008-07-01	8434609522.00000100
2008-10-01	-20644640710.00000000
2009-01-01	1003200200.00000000
2009-04-01	13068257000.00000000
2009-07-01	3078608300.00000000
2009-10-01	-3736647400.00000000
2010-01-01	12394489790.00000000
2010-04-01	14195141220.00000000
2010-07-01	10191294420.00000000
2010-10-01	183926424.70000002
2011-01-01	11421903510.00000000
2011-04-01	18104312990.00000000
2011-07-01	14378418000.00000000
2011-10-01	3423104951.00000000
2012-01-01	400937234.50000000
2012-04-01	11989907790.00000000
2012-07-01	3527281285.00000000
2012-10-01	3526292368.00000000
2013-01-01	13713053740.00000000
2013-04-01	247068446.90000000
2013-07-01	-2578965055.00000000
2013-10-01	7664784341.00000000
2014-01-01	11887025460.00000000
2014-04-01	7303084357.00000000
2014-07-01	16347585960.00000000
2014-10-01	15572178090.00000000
2015-01-01	10022137070.00000000
2015-04-01	6255313507.00000000
2015-07-01	8781434184.00000000
2015-10-01	-4370761137.00000000
2016-01-01	1900770697.00000000
2016-04-01	9238178779.00000000
2016-07-01	7614824137.00000000
2016-10-01	-6727390342.00000000
2017-01-01	-2269633926.00000000
2017-04-01	-1327846311.00000000
2017-07-01	6192407725.00000000
2017-10-01	3302355331.00000000
2018-01-01	8826091263.00000000
2018-04-01	-8403865202.99999900
2018-07-01	-1067601878.00000000