Quarter	US Dollars, sum over component sub-periods
2005-01-01	-87719731118.4928000
2005-04-01	-125082589199.1670000
2005-07-01	-140544178790.2360200
2005-10-01	-149240911601.1120000
2006-01-01	-138171783619.0570000
2006-04-01	-169215012491.5830000
2006-07-01	-166921283058.9950000
2006-10-01	-110104889373.9440000
2007-01-01	-128187679048.3190000
2007-04-01	-157403426214.2519800
2007-07-01	-130381978105.5250100
2007-10-01	-144529211600.2329700
2008-01-01	-138630997525.0390000
2008-04-01	-215370337749.3690200
2008-07-01	-226713117004.4199800
2008-10-01	-197109340475.9000200
2009-01-01	-90447965725.3116000
2009-04-01	-61090187570.5832000
2009-07-01	-48317271437.7995000
2009-10-01	-23401411084.9960020
2010-01-01	-43005529208.5573960
2010-04-01	-60338620441.3336000
2010-07-01	-61414455200.0202940
2010-10-01	-30374827078.9533000
2011-01-01	-77831271559.1794000
2011-04-01	-102817330709.6920000
2011-07-01	-65537507942.3829040
2011-10-01	-39224641085.4780960
2012-01-01	-78739810692.8862900
2012-04-01	-64736390562.9098000
2012-07-01	-38910617485.5668000
2012-10-01	-3437382447.9522700
2013-01-01	-35198281908.3936000
2013-04-01	7226529853.0435705
2013-07-01	-12654709951.2446000
2013-10-01	30077150367.6624030
2014-01-01	-20559445282.0422020
2014-04-01	-22900948531.9708000
2014-07-01	8306572160.0709095
2014-10-01	52439610084.4121000
2015-01-01	26445131317.2921000
2015-04-01	-9719609267.1898210
2015-07-01	35698766956.6045000
2015-10-01	42725924687.9546000
2016-01-01	30513839082.3694000
2016-04-01	22337485999.5425000
2016-07-01	10851570163.4176000
2016-10-01	84955257368.7283000
2017-01-01	58306164017.7893000
2017-04-01	-13688764624.0133000
2017-07-01	82651713893.7873000
2017-10-01	75040770784.1644000
2018-01-01	56436440973.3184000
2018-04-01	31477951453.0442000