Quarterly US Dollars, sum over component sub-periods
2002-01-01 -3822016243.76666980
2002-04-01 -325543550.84808200
2002-07-01 -2017249555.82799000
2002-10-01 3667111697.34584000
2003-01-01 -491351744.72084500
2003-04-01 303510220.25253600
2003-07-01 -28141425.55378880
2003-10-01 980122495.96222800
2004-01-01 624699871.16527600
2004-04-01 -874526653.65739600
2004-07-01 -2362334747.44249000
2004-10-01 -4116140813.13662960
2005-01-01 1087942952.01516000
2005-04-01 -1921872077.83212020
2005-07-01 3516674730.25886000
2005-10-01 4112804774.79485030
2006-01-01 1834058043.66889000
2006-04-01 -2039673051.63710000
2006-07-01 -4058660883.01719000
2006-10-01 -7650807612.36948000
2007-01-01 393334592.30329996
2007-04-01 -2463883437.86205000
2007-07-01 1773451934.41299000
2007-10-01 -3379233834.30590000
2008-01-01 -14214992248.21380000
2008-04-01 -16243842099.35539800
2008-07-01 -631293519.60969300
2008-10-01 181245247.35636398
2009-01-01 -7782936017.45784950
2009-04-01 -23103325117.52600000
2009-07-01 4537304094.14034900
2009-10-01 2005334604.08863000
2010-01-01 9936840856.75031900
2010-04-01 -15301606510.75550000
2010-07-01 -7500763657.72469000
2010-10-01 -8943384180.68992000
2011-01-01 -11131949950.86620000
2011-04-01 -7871516246.61205000
2011-07-01 -3717701684.80750000
2011-10-01 -11628784984.58740000
2012-01-01 -612428882.45273600
2012-04-01 -11052601256.33430000
2012-07-01 -2904378472.89229000
2012-10-01 3404138795.69217970
2013-01-01 4564132154.72437000
2013-04-01 -800584043.08561600
2013-07-01 2451846343.88558000
2013-10-01 1970892630.17552000
2014-01-01 -7762469031.76606000
2014-04-01 6213168843.08488000
2014-07-01 -7117986065.54791900
2014-10-01 1377253135.42379000
2015-01-01 4237246072.50865030
2015-04-01 3672078488.02029000
2015-07-01 11089181821.36590000
2015-10-01 6042578311.95754000
2016-01-01 8769680013.00959000
2016-04-01 4783364975.18398000
2016-07-01 -3502722643.48274000
2016-10-01 6286188682.96283100
2017-01-01 -20684594407.94619800
2017-04-01 -4167054863.90111000
2017-07-01 13757982878.45600000
2017-10-01 19085204618.44140000
2018-01-01 16827021217.75240100
2018-04-01 17332067524.08000000