Quarter	US Dollars, sum over component sub-periods
2008-01-01	-127408050531.368990
2008-04-01	66632760091.135390
2008-07-01	204727862159.692020
2008-10-01	557732554222.997900
2009-01-01	-222031892030.250000
2009-04-01	8350916332.007220
2009-07-01	-172322573360.092000
2009-10-01	-64768225469.453800
2010-01-01	122624050431.561000
2010-04-01	217857360627.463000
2010-07-01	-18356044401.742800
2010-10-01	-8337011290.111501
2011-01-01	-204762866746.996000
2011-04-01	-41453940945.926300
2011-07-01	199031361293.411000
2011-10-01	26221025532.157300
2012-01-01	-208584282483.400000
2012-04-01	80985923259.698100
2012-07-01	48722653269.687800
2012-10-01	88514338004.298600
2013-01-01	-114183146092.685000
2013-04-01	162047088872.442000
2013-07-01	126118127135.679000
2013-10-01	-117486707628.355000
2014-01-01	-2157106515.468810
2014-04-01	-101237391783.873000
2014-07-01	113864629361.967990
2014-10-01	74667587908.035690
2015-01-01	236185792163.112980
2015-04-01	187238337276.421000
2015-07-01	-70940490828.383800
2015-10-01	177089117752.393000
2016-01-01	-129496821044.840010
2016-04-01	103826815463.821000
2016-07-01	71639265594.190700
2016-10-01	227369844062.983980
2017-01-01	-131177220185.776000
2017-04-01	-4009941171.854230
2017-07-01	-6211134947.966300
2017-10-01	33383366375.326300