Quarter	US Dollars, sum over component sub-periods
2000-01-01	-914891669.30062510
2000-04-01	-890027270.47589700
2000-07-01	-872261080.92537900
2000-10-01	-854668792.30669200
2001-01-01	86051522.49533650
2001-04-01	81764179.90352160
2001-07-01	67305364.36903280
2001-10-01	86946617.93952091
2002-01-01	-543359689.59713710
2002-04-01	-573417592.60777900
2002-07-01	-720508220.56431100
2002-10-01	-622960754.30372300
2003-01-01	-534416509.45926404
2003-04-01	-546573431.91170410
2003-07-01	-532011763.15754000
2003-10-01	-558827396.43352200
2004-01-01	-788661985.16469200
2004-04-01	-774274173.87707600
2004-07-01	-783609754.98381300
2004-10-01	-827379725.57742110
2005-01-01	-604350765.21409100
2005-04-01	-582177678.28688800
2005-07-01	-557572318.84869990
2005-10-01	-542889434.56192300
2006-01-01	-1055545015.17865990
2006-04-01	-1094191725.09363990
2006-07-01	-1098263305.83384000
2006-10-01	-1097151116.30612000
2007-01-01	-1076231491.12603000
2007-04-01	-1017806242.30070000
2007-07-01	-1043189577.45218990
2007-10-01	-1062039346.86401000
2008-01-01	-886390878.27758300
2008-04-01	-917426180.64792100
2008-07-01	-881894122.83952590
2008-10-01	-816075949.85093100
2009-01-01	-819039866.75784990
2009-04-01	-847373442.90689100
2009-07-01	-886966376.33840900
2009-10-01	-922100039.52696800
2010-01-01	-1091943317.69035000
2010-04-01	-1041097208.85667000
2010-07-01	-1119288397.85484000
2010-10-01	-1185123674.96705000
2011-01-01	-2225608355.62046000
2011-04-01	-2408376919.93698000
2011-07-01	-2539475559.11542000
2011-10-01	-2297233781.60053000
2012-01-01	-92534257.52128330
2012-04-01	-394616151.58476900
2012-07-01	-166562609.22176200
2012-10-01	-1678869184.33173000
2013-01-01	-220697395.15649200
2013-04-01	67153204.52457520
2013-07-01	-375399875.06018500
2013-10-01	1321140100.39052000
2014-01-01	-10741093683.19010000
2014-04-01	-50451692.33910960
2014-07-01	84382383.21428870
2014-10-01	-1049494973.86120000
2015-01-01	-13465228865.17710000
2015-04-01	-1112655577.55459000
2015-07-01	-192008211.26725800
2015-10-01	-15496147406.50199900
2016-01-01	-218524160.77410900
2016-04-01	24577962.19335730
2016-07-01	-126050999.23406200
2016-10-01	2720440195.53410000
2017-01-01	176289106.58006500
2017-04-01	147323516.84639100
2017-07-01	1331022598.25165990
2017-10-01	-494823195.14743197
2018-01-01	-1088322675.75432000
2018-04-01	1347628147.52141000