Quarter	US Dollars, sum over component sub-periods
2000-01-01	-4138821069.3081100
2000-04-01	4818787238.4661690
2000-07-01	3356022604.6009502
2000-10-01	3131655871.4768300
2001-01-01	-24254461175.1761000
2001-04-01	5369953794.1282200
2001-07-01	-3086775880.0737800
2001-10-01	5635164252.2048000
2002-01-01	-5546493795.6833800
2002-04-01	12382292671.4328000
2002-07-01	3140674236.0888600
2002-10-01	2491412508.5574000
2003-01-01	-5163234032.1488300
2003-04-01	828983069.5985860
2003-07-01	-4648183804.3018400
2003-10-01	2409656725.9374000
2004-01-01	-13462979121.0088000
2004-04-01	4032215496.8697400
2004-07-01	1558175873.5836098
2004-10-01	14789966841.9853000
2005-01-01	-13002136386.4223000
2005-04-01	12241693956.3162000
2005-07-01	-12050335179.1696000
2005-10-01	8969093496.4418800
2006-01-01	-35394239108.5573040
2006-04-01	1860348345.1519802
2006-07-01	-4760540380.4684400
2006-10-01	33129594857.8104000
2007-01-01	-15998864808.3806000
2007-04-01	1765508224.6383998
2007-07-01	-249298117.8329760
2007-10-01	-4749111866.2866800
2008-01-01	-23126216806.5909000
2008-04-01	8621270252.8932400
2008-07-01	18713026107.4359000
2008-10-01	-73058559854.1404000
2009-01-01	-29549813525.8214000
2009-04-01	-20060822404.6975020
2009-07-01	17450087718.3017000
2009-10-01	-32778871873.2399000
2010-01-01	-33331001130.1961000
2010-04-01	-59259809529.1305000
2010-07-01	27620186064.6489000
2010-10-01	23482610343.4404000
2011-01-01	-8314708721.2998190
2011-04-01	38180886513.8237000
2011-07-01	-84961720702.9385000
2011-10-01	-3965782667.2404000
2012-01-01	15597932807.6066990
2012-04-01	-86323021613.8311900
2012-07-01	-53522615950.4573000
2012-10-01	18047903358.5623970
2013-01-01	1062019532.8639900
2013-04-01	34508716808.9255000
2013-07-01	21135402952.4903030
2013-10-01	-10579211585.7877000
2014-01-01	16418113549.6505010
2014-04-01	344542269.7179140
2014-07-01	-4078013624.8046503
2014-10-01	-929623772.3663060
2015-01-01	-83762318713.4591000
2015-04-01	5299207162.1167300
2015-07-01	-45337642482.3181000
2015-10-01	2929190913.0183797
2016-01-01	-28490605972.4257000
2016-04-01	-23832630540.4841000
2016-07-01	3236249438.1308103
2016-10-01	-4345122055.5387800
2017-01-01	-29414268551.7152000
2017-04-01	41863282233.3082000
2017-07-01	-11939062696.3947000
2017-10-01	9783907614.6512300
2018-01-01	-47033928760.0161000
2018-04-01	-6424816756.1305600