Quarter	US Dollars, sum over component sub-periods
2003-01-01	18284253694.7464000
2003-04-01	10057183720.4941000
2003-07-01	-6945303826.6750800
2003-10-01	54295240367.5566940
2004-01-01	40413593626.4957000
2004-04-01	11980147377.8315000
2004-07-01	8427914400.9736100
2004-10-01	3882320697.7090397
2005-01-01	48428007458.1065000
2005-04-01	2184775016.1198000
2005-07-01	18052271745.3346980
2005-10-01	18607527675.4381980
2006-01-01	4506054588.8264290
2006-04-01	-5508927153.8855100
2006-07-01	10164495836.5978000
2006-10-01	82779589385.7690000
2007-01-01	45011899627.8819050
2007-04-01	55902127483.3197900
2007-07-01	3202085088.1834800
2007-10-01	54260467806.8544000
2008-01-01	35916527104.3875960
2008-04-01	36572466109.4536000
2008-07-01	42440618730.4350050
2008-10-01	-189572021763.8960000
2009-01-01	-41172017765.3717000
2009-04-01	-33455902632.6118970
2009-07-01	-13241432534.5073000
2009-10-01	-30189293553.7466000
2010-01-01	-17940557263.3015000
2010-04-01	32814207484.9484000
2010-07-01	-23739064029.7631000
2010-10-01	-4852420465.3159010
2011-01-01	-15336168336.8787000
2011-04-01	17206797719.5551000
2011-07-01	81056627656.5682000
2011-10-01	-51458485102.1140000
2012-01-01	-19983279038.1472970
2012-04-01	12679907323.6610000
2012-07-01	-4586190048.7506400
2012-10-01	-32987571448.3049000
2013-01-01	11664333115.8611000
2013-04-01	-10457220934.7251990
2013-07-01	37873144605.2818000
2013-10-01	-19683065141.5526000
2014-01-01	19773464546.3136980
2014-04-01	11518565058.9082000
2014-07-01	-13360462494.0792000
2014-10-01	-18149024771.8811000
2015-01-01	69650013749.2515100
2015-04-01	-37002827053.2286000
2015-07-01	-4341178447.3618000
2015-10-01	-38506390477.9924000
2016-01-01	51759517714.0844040
2016-04-01	14050852310.2489000
2016-07-01	-23513657707.3808020
2016-10-01	-2633432489.0574500
2017-01-01	-795971153.0360520
2017-04-01	-15238509420.4840010
2017-07-01	-23415819075.2755000
2017-10-01	-9877017296.3651400
2018-01-01	-8742235371.5833190
2018-04-01	-220373367.1446600