Quarter	US Dollars, sum over component sub-periods
2008-01-01	682259657680.2080000
2008-04-01	-506298393763.6930000
2008-07-01	216184395020.4060000
2008-10-01	-822448249772.4480000
2009-01-01	-704590519057.7520000
2009-04-01	-368188956596.3040000
2009-07-01	-67458482718.2840960
2009-10-01	-268989879705.4940000
2010-01-01	345189873401.7140500
2010-04-01	333917665914.1190000
2010-07-01	436610410568.3360000
2010-10-01	48545421747.9749000
2011-01-01	428018733847.9660000
2011-04-01	32302793108.2926030
2011-07-01	516530833308.5770000
2011-10-01	-114658680646.0880000
2012-01-01	-15500086451.0435000
2012-04-01	-212528970314.1660200
2012-07-01	110907540858.1630100
2012-10-01	-21423209276.8491000
2013-01-01	155164572807.5680200
2013-04-01	182771728561.7080000
2013-07-01	-47526770321.9913000
2013-10-01	160309023917.8200000
2014-01-01	391776100367.7720000
2014-04-01	271487745580.8620000
2014-07-01	276808735839.4340000
2014-10-01	-61600166440.1623000
2015-01-01	248408336257.1740000
2015-04-01	-209140329481.9830000
2015-07-01	1050556285.8841299
2015-10-01	-237817224114.3300000
2016-01-01	127449721249.8650000
2016-04-01	603205854521.6750000
2016-07-01	188640448284.8840000
2016-10-01	91731423352.0043000
2017-01-01	284551302049.9760000
2017-04-01	187261851482.8190000
2017-07-01	338509503651.2250400
2017-10-01	53791013329.6264950