Quarter	US Dollars, sum over component sub-periods
1995-01-01	-21898987.558555800000
1995-04-01	41308236.856181300000
1995-07-01	-14764391.032443300000
1995-10-01	462234.450934444000
1996-01-01	35746736.502699904000
1996-04-01	-21779300.272818500000
1996-07-01	29725164.913603600000
1996-10-01	108948796.707326000000
1997-01-01	-75922088.598532200000
1997-04-01	120183959.370755000000
1997-07-01	-47719538.087591000000
1997-10-01	-41171567.894047300000
1998-01-01	-9731484.053406630000
1998-04-01	88942717.196125400000
1998-07-01	-62967735.744812600000
1998-10-01	15630204.988390699000
1999-01-01	35718307.326179900000
1999-04-01	-24204767.357841600000
1999-07-01	58051135.719935700000
1999-10-01	4783772.136925740000
2000-01-01	-42972419.929466900000
2000-04-01	-3851937.615981400000
2000-07-01	3430376.809140499700
2000-10-01	-29558349.633355900000
2001-01-01	-2519453.108741620000
2001-04-01	-47993761.082360104000
2001-07-01	14150317.611430900000
2001-10-01	-12076613.387621399000
2002-01-01	9126564.661612760000
2002-04-01	23027803.149520800000
2002-07-01	157705416.781041000000
2002-10-01	-128921572.284645000000
2003-01-01	2831182.972335240000
2003-04-01	53588.584085021794
2003-07-01	121410751.467126010000
2003-10-01	181249928.345602000000
2004-01-01	107650696.200722000000
2004-04-01	39192098.494763200000
2004-07-01	45731773.131599195000
2004-10-01	8776040.389429560000
2005-01-01	-58622486.370818900000
2005-04-01	3696437.957712460000
2005-07-01	185409555.082056000000
2005-10-01	-59876042.127560200000
2006-01-01	56528505.338511504000
2006-04-01	-154045101.622981000000
2006-07-01	9198237.320227390000
2006-10-01	1338266217.712440000000
2007-01-01	-1159530.892488670000
2007-04-01	-38607341.095699200000
2007-07-01	92003867.468076900000
2007-10-01	44492107.589752000000
2008-01-01	90069835.884549100000
2008-04-01	-296217227.410585000000
2008-07-01	1374246860.097300000000
2008-10-01	15473824.303035200000
2009-01-01	-285404342.997004000000
2009-04-01	-284614723.885607960000
2009-07-01	379885427.392520000000
2009-10-01	401666911.069200040000
2010-01-01	125900175.933743000000
2010-04-01	778086703.323110000000
2010-07-01	-412286296.976757000000
2010-10-01	1495701808.831650000000
2011-01-01	626200653.864264000000
2011-04-01	455805562.135784000000
2011-07-01	822620918.240824000000
2011-10-01	935642809.607357000000
2012-01-01	-981959713.129558100000
2012-04-01	-621163013.509990900000
2012-07-01	-2649995083.787700000000
2012-10-01	-130602137.442117990000
2013-01-01	-73047129.823801300000
2013-04-01	-118761640.811467000000
2013-07-01	-54862675.404507800000
2013-10-01	261737931.891914000000
2014-01-01	-87916282.529113900000
2014-04-01	104320347.865392000000
2014-07-01	487066960.679600950000
2014-10-01	-186765351.250618000000
2015-01-01	303358409.695994000000
2015-04-01	204362330.339173020000
2015-07-01	64829472.573447900000
2015-10-01	520302373.175087030000
2016-01-01	762663275.320927000000
2016-04-01	-207499575.050087000000
2016-07-01	977831555.397162000000
2016-10-01	890759544.587955000000
2017-01-01	-14649480.905071000000
2017-04-01	-1026223495.796710000000
2017-07-01	206485316.829259000000
2017-10-01	12682818.326845200000
2018-01-01	-245257192.209457000000
2018-04-01	41838962.870771505000