Quarter	US Dollars, sum over component sub-periods
2006-01-01	781036609.00000000
2006-04-01	1980882778.00000000
2006-07-01	1232386082.00000000
2006-10-01	3486125419.00000000
2007-01-01	1476296780.00000000
2007-04-01	961592292.70000000
2007-07-01	696761923.19999990
2007-10-01	2764795884.00000000
2008-01-01	2610935836.00000000
2008-04-01	-667961763.90000010
2008-07-01	4535499591.00000000
2008-10-01	75480519.59000000
2009-01-01	1063586925.00000010
2009-04-01	3073765359.00000000
2009-07-01	556713910.19999990
2009-10-01	2018716423.00000000
2010-01-01	-1661394455.00000000
2010-04-01	937488352.80000010
2010-07-01	-816583066.10000000
2010-10-01	-2261614119.00000000
2011-01-01	-1876309763.00000000
2011-04-01	168134831.70000002
2011-07-01	-3477044648.00000000
2011-10-01	-66983395.75000000
2012-01-01	-2004788474.00000000
2012-04-01	258873852.50000000
2012-07-01	-519445476.20000005
2012-10-01	-522775516.00000006
2013-01-01	-4667634966.00000000
2013-04-01	-734449881.60000000
2013-07-01	-4238578886.00000050
2013-10-01	-6524232758.00000000
2014-01-01	-4502537112.00000000
2014-04-01	431613396.40000000
2014-07-01	-2166982684.00000000
2014-10-01	-3082765905.00000000
2015-01-01	-5611677989.00000000
2015-04-01	-2497969550.00000000
2015-07-01	-5404413446.00000000
2015-10-01	-4983788237.00000000
2016-01-01	-4802182250.00000000
2016-04-01	-3262255722.00000000
2016-07-01	-4773206635.00000000
2016-10-01	-1659153570.00000000
2017-01-01	-6303091386.00000000
2017-04-01	-6900879749.00000000
2017-07-01	-8829054306.00000000
2017-10-01	-9120977791.00000000
2018-01-01	-9803886230.00000000
2018-04-01	-8426874071.00000000