Quarter	US Dollars, sum over component sub-periods
2006-01-01	11059781860.00000000
2006-04-01	813193860.40000000
2006-07-01	659816501.10000000
2006-10-01	1629187984.00000000
2007-01-01	-174591059.30000000
2007-04-01	960157240.00000000
2007-07-01	1597680398.00000000
2007-10-01	2298780590.00000000
2008-01-01	1192511578.00000000
2008-04-01	1695576755.00000000
2008-07-01	2415126521.00000000
2008-10-01	754688805.80000000
2009-01-01	1300347893.00000000
2009-04-01	4379982616.00000000
2009-07-01	-1761261735.00000000
2009-10-01	1351673228.00000000
2010-01-01	1989648928.00000000
2010-04-01	1730369312.00000000
2010-07-01	1918559332.00000000
2010-10-01	744378670.40000000
2011-01-01	3156398005.00000000
2011-04-01	497614018.50000000
2011-07-01	1176561336.00000000
2011-10-01	3164117366.00000000
2012-01-01	3376184829.00000000
2012-04-01	4143353038.99999950
2012-07-01	2885775036.00000000
2012-10-01	1322256029.00000000
2013-01-01	148011979.00000000
2013-04-01	3965781392.00000000
2013-07-01	667639828.80000010
2013-10-01	274081899.79999995
2014-01-01	397329696.40000000
2014-04-01	-7460409634.00000000
2014-07-01	1350353457.00000000
2014-10-01	-3829485208.00000000
2015-01-01	-1480602719.00000000
2015-04-01	-308857214.10000000
2015-07-01	-2312602443.00000000
2015-10-01	1856174083.00000000
2016-01-01	-1848943066.00000000
2016-04-01	5582549984.00000000
2016-07-01	4238356225.00000050
2016-10-01	-273114591.00000000
2017-01-01	115347683.90000000
2017-04-01	1677609594.00000000
2017-07-01	-474155722.00000000
2017-10-01	-649313976.30000010
2018-01-01	-600787820.40000000
2018-04-01	-9633326926.00000000