Quarter	US Dollars, sum over component sub-periods
2006-01-01	587049222.60000000
2006-04-01	224663080.00000000
2006-07-01	421678961.70000000
2006-10-01	2007177267.00000000
2007-01-01	398640547.70000000
2007-04-01	1776456276.00000000
2007-07-01	4161894618.99999950
2007-10-01	4219681996.99999950
2008-01-01	2617839789.00000000
2008-04-01	5196446214.00000000
2008-07-01	4809117348.00000000
2008-10-01	-382888310.10000000
2009-01-01	1731630511.00000000
2009-04-01	4536052031.00000000
2009-07-01	367694475.30000000
2009-10-01	-456055945.50000000
2010-01-01	3095527340.00000000
2010-04-01	2516930758.00000000
2010-07-01	2832695745.00000000
2010-10-01	271878987.10000000
2011-01-01	4629268956.00000000
2011-04-01	4384256090.00000000
2011-07-01	5621416955.00000000
2011-10-01	4378503232.00000000
2012-01-01	3047218715.00000000
2012-04-01	4680424106.00000000
2012-07-01	2375559254.00000000
2012-10-01	-381144668.79999995
2013-01-01	517683648.90000000
2013-04-01	3076348367.00000000
2013-07-01	607775717.90000000
2013-10-01	-309156497.10000000
2014-01-01	-85640346.63000000
2014-04-01	2783841552.00000000
2014-07-01	-705056670.19999990
2014-10-01	-571138704.40000010
2015-01-01	1927912957.00000000
2015-04-01	2996636382.00000000
2015-07-01	1092045897.00000000
2015-10-01	2797057338.00000000
2016-01-01	1695176855.00000000
2016-04-01	1497852441.00000000
2016-07-01	2123458181.00000000
2016-10-01	-3159842300.00000000
2017-01-01	615678902.20000000
2017-04-01	2258212512.00000000
2017-07-01	5466417678.00000000
2017-10-01	4284958603.00000000
2018-01-01	3161342535.00000000
2018-04-01	10478131790.00000000