Quarter US Dollars, sum over component sub-periods 2002-01-01 5443868179.03874000 2002-04-01 -1080547096.74152000 2002-07-01 745635716.25182310 2002-10-01 4465084166.87251000 2003-01-01 -2407913400.50001000 2003-04-01 -2986258866.18241020 2003-07-01 -219503119.31955302 2003-10-01 2893842309.31181000 2004-01-01 -223776819.96915102 2004-04-01 5494717494.52049000 2004-07-01 -5108345621.24876000 2004-10-01 -4188035640.87197970 2005-01-01 16154026462.88940000 2005-04-01 1709057875.51307000 2005-07-01 -2784120542.76830000 2005-10-01 2415588923.54203000 2006-01-01 9354935007.28861000 2006-04-01 2491146159.93636040 2006-07-01 3866969325.17088000 2006-10-01 6315369998.17258100 2007-01-01 10483678000.19060100 2007-04-01 6090619561.33980100 2007-07-01 5498127208.09176000 2007-10-01 19885602876.57800000 2008-01-01 5338113130.31048000 2008-04-01 30624148894.88060000 2008-07-01 -2532671626.17760000 2008-10-01 25249564350.91380000 2009-01-01 4410590621.72887000 2009-04-01 12727596613.52180100 2009-07-01 6531314783.68375000 2009-10-01 10366309956.33440000 2010-01-01 19933183754.55900000 2010-04-01 35234865216.47050000 2010-07-01 5831055414.13746000 2010-10-01 -4247055562.51006000 2011-01-01 13293533452.74780000 2011-04-01 30153275802.98450000 2011-07-01 13865488243.37620000 2011-10-01 586087529.63683400 2012-01-01 41310754231.57090000 2012-04-01 51377476428.24400000 2012-07-01 -11885302341.89180000 2012-10-01 28987740808.45610000 2013-01-01 -25850220596.47440000 2013-04-01 11974804389.97070100 2013-07-01 -7888030782.19268000 2013-10-01 -4625064335.17707900 2014-01-01 -4136146104.84992030 2014-04-01 -9903223435.17082000 2014-07-01 -860939885.11465300 2014-10-01 12763627878.78699900 2015-01-01 14876516165.83470200 2015-04-01 13279209134.69030000 2015-07-01 3081625264.04274030 2015-10-01 -5614717370.27420000 2016-01-01 3049604699.76091000 2016-04-01 -8190213919.97389000 2016-07-01 -2505132951.45548000 2016-10-01 -1926586452.71470000 2017-01-01 688349886.02582300 2017-04-01 -5737536348.63343000 2017-07-01 -15651261724.28760000 2017-10-01 -18167918438.91480000 2018-01-01 -8129025440.40254000 2018-04-01 -7182980561.52596000