Quarter	US Dollars, sum over component sub-periods
2002-01-01	-232306774.1457760000
2002-04-01	-217029033.8987220000
2002-07-01	127879476.4020280100
2002-10-01	28013075.6604146000
2003-01-01	-1951665876.9991200000
2003-04-01	48843336.3430367000
2003-07-01	94555189.8607304000
2003-10-01	-94002278.9620202000
2004-01-01	-1486428150.5213401000
2004-04-01	-162708239.0349350000
2004-07-01	157725367.4344400000
2004-10-01	23317241.4276819000
2005-01-01	-62902025.6525264000
2005-04-01	-86837255.8250383000
2005-07-01	-12195008.9477368020
2005-10-01	-1599688381.1738200000
2006-01-01	-99840504.7711142000
2006-04-01	138257354.9914230000
2006-07-01	-86669055.4092352000
2006-10-01	-59335584.1331573950
2007-01-01	61622419.4608503060
2007-04-01	-12132708.2895214990
2007-07-01	52245269.7943203000
2007-10-01	-92740551.1987898000
2008-01-01	-110867351.0084130000
2008-04-01	71854672.2348638900
2008-07-01	58480872.3628931050
2008-10-01	87995880.9628725000
2009-01-01	-53343426.3984908000
2009-04-01	84433018.4076989000
2009-07-01	-4291271.2113559395
2009-10-01	-143238186.0063310000
2010-01-01	-44280588.6946122000
2010-04-01	24143042.9915590000
2010-07-01	98218131.9757196000
2010-10-01	-92297787.8717430000
2011-01-01	-88869656.9401011900
2011-04-01	41739618.0566372950
2011-07-01	-33887140.3096772000
2011-10-01	-362431139.0168010000
2012-01-01	-15736930.5983571990
2012-04-01	7694118.5216389300
2012-07-01	-1251347.8987041300
2012-10-01	-6489017.9102024000
2013-01-01	0.0000000000
2013-04-01	1306009.8582147100
2013-07-01	5298425.3784669500
2013-10-01	6805568.4743629800
2014-01-01	0.0000000000
2014-04-01	1371257.7451081201
2014-07-01	2649045.8003527800
2014-10-01	166069507.7165590000
2015-01-01	121578792.7287290000
2015-04-01	339556655.3681420000
2015-07-01	-26680738.2168203000
2015-10-01	112710171.3385779900
2016-01-01	1031597397.5338700000
2016-04-01	-252944701.2373020000
2016-07-01	422915540.5797890400
2016-10-01	221966895.5588520200
2017-01-01	-107621267.0102290000
2017-04-01	179263642.8651040000
2017-07-01	276005290.8005090000
2017-10-01	120106791.1575160000
2018-01-01	-27035307.5871286000
2018-04-01	5956036.9498556900