Quarter	US Dollars, sum over component sub-periods
2006-01-01	22674133330.000000
2006-04-01	4330400000.000000
2006-07-01	28481066670.000000
2006-10-01	15428266670.000000
2007-01-01	12774400000.000000
2007-04-01	-490933333.300000
2007-07-01	25075466670.000000
2007-10-01	42479733330.000000
2008-01-01	44766866670.000000
2008-04-01	31124800000.000000
2008-07-01	56204266670.000000
2008-10-01	4928866667.000000
2009-01-01	-27081866670.000000
2009-04-01	-22307956670.000000
2009-07-01	-7988443333.000000
2009-10-01	24822533330.000000
2010-01-01	10128036670.000000
2010-04-01	872859666.700000
2010-07-01	5475975333.000000
2010-10-01	18551475670.000000
2011-01-01	24790133330.000000
2011-04-01	32925066670.000000
2011-07-01	23956533330.000000
2011-10-01	17206400000.000000
2012-01-01	25688266670.000000
2012-04-01	30464533330.000000
2012-07-01	21175733330.000000
2012-10-01	35230933330.000000
2013-01-01	15245600000.000000
2013-04-01	19053066670.000000
2013-07-01	12586133330.000000
2013-10-01	22265866670.000000
2014-01-01	7943466667.000000
2014-04-01	8697866667.000000
2014-07-01	3484840919.000000
2014-10-01	-13497640920.000000
2015-01-01	-34361320610.000000
2015-04-01	-22484930720.000000
2015-07-01	-20965803370.000000
2015-10-01	-38123291230.000000
2016-01-01	-29333849720.000000
2016-04-01	-16782649969.999998
2016-07-01	-16112635090.000000
2016-10-01	-18391694240.000000
2017-01-01	-27139959100.000000
2017-04-01	-6719741843.000000
2017-07-01	-16715916120.000002
2017-10-01	11201834330.000000
2018-01-01	-3038327857.000000
2018-04-01	13012362390.000000