Quarter	US Dollars, sum over component sub-periods
2008-01-01	204647113054.9410000
2008-04-01	107785431837.2620100
2008-07-01	-314168581105.2790000
2008-10-01	-506141937499.7360000
2009-01-01	214861249545.3610000
2009-04-01	233015801356.5770000
2009-07-01	231986655886.6880200
2009-10-01	112990973170.9339900
2010-01-01	135279754028.8950000
2010-04-01	49741967127.5471950
2010-07-01	353648603934.7590000
2010-10-01	143059925814.6900000
2011-01-01	213734874770.1130000
2011-04-01	167178103477.4080000
2011-07-01	-179039966608.2750000
2011-10-01	-93995237952.6691000
2012-01-01	255704187107.0650000
2012-04-01	1636833555.7412899
2012-07-01	355235800880.0690000
2012-10-01	255366554716.0290000
2013-01-01	252718140458.0140000
2013-04-01	128834455525.7659900
2013-07-01	117636124508.1880000
2013-10-01	292474989734.9150400
2014-01-01	214877411183.9510000
2014-04-01	533591818888.7720300
2014-07-01	352025297181.5110000
2014-10-01	356921956621.6000400
2015-01-01	467855078945.8360000
2015-04-01	306628617098.0710000
2015-07-01	41882518656.8383000
2015-10-01	158217146725.4640000
2016-01-01	158132426374.3500000
2016-04-01	316970484841.6500000
2016-07-01	233272132075.4620000
2016-10-01	35141051797.0012000
2017-01-01	372063884836.4179700
2017-04-01	462775022593.1520400
2017-07-01	550737374132.2570000
2017-10-01	289540136497.4519700