Quarter	US Dollars, sum over component sub-periods
1995-01-01	1093975930.32894000
1995-04-01	930534945.12483600
1995-07-01	1387924466.64758000
1995-10-01	353181419.35785400
1996-01-01	1200339196.89672020
1996-04-01	586801078.49925800
1996-07-01	742620781.06508900
1996-10-01	2053023483.04474970
1997-01-01	388907288.42073995
1997-04-01	1848657785.29360000
1997-07-01	2219177547.44300030
1997-10-01	777971573.94321800
1998-01-01	162245515.60638400
1998-04-01	372149569.13545500
1998-07-01	1354977025.59231000
1998-10-01	139713208.23883098
1999-01-01	2766973561.71380000
1999-04-01	92465643.20434691
1999-07-01	-140940957.79753400
1999-10-01	2664353325.10191970
2000-01-01	2565998845.96680000
2000-04-01	1279324437.23616000
2000-07-01	2038077277.72610000
2000-10-01	1987040002.34095000
2001-01-01	2375545868.42495000
2001-04-01	1931203273.83887000
2001-07-01	2708359832.89691000
2001-10-01	2325239239.73699000
2002-01-01	1482818522.51917000
2002-04-01	-10667528.78485240
2002-07-01	382162896.78606000
2002-10-01	4859668346.88919900
2003-01-01	1607708920.45868020
2003-04-01	-10176452332.49460000
2003-07-01	10709613474.45210000
2003-10-01	-5135856157.66926000
2004-01-01	515936835.76127600
2004-04-01	3324310110.41597000
2004-07-01	4219826051.36807970
2004-10-01	1629486555.10450000
2005-01-01	4650032246.36302000
2005-04-01	-3150430471.11331000
2005-07-01	4482275538.74064900
2005-10-01	419487057.27881600
2006-01-01	-109944845.01301000
2006-04-01	1334309164.17176990
2006-07-01	917799805.88515100
2006-10-01	4784640917.93741000
2007-01-01	-3941999284.06367000
2007-04-01	2509448497.88270000
2007-07-01	5064903931.45518000
2007-10-01	-3695421151.04928000
2008-01-01	4158724228.77234030
2008-04-01	-4134299152.26118000
2008-07-01	5875678211.96822100
2008-10-01	-12005264906.05110000
2009-01-01	-5954817763.00615000
2009-04-01	-4370089614.03718950
2009-07-01	3362067951.72367000
2009-10-01	336240566.53238600
2010-01-01	-455536556.19582295
2010-04-01	-1027222944.96717000
2010-07-01	524691599.76502794
2010-10-01	5324360771.83068000
2011-01-01	-895942864.50535900
2011-04-01	-5616569363.53158000
2011-07-01	3291006109.74148000
2011-10-01	-8176392603.11285000
2012-01-01	-20392439233.70460000
2012-04-01	-2935434451.31395000
2012-07-01	-220737769.33140800
2012-10-01	1383588398.81335000
2013-01-01	-12134732975.11500000
2013-04-01	1026393147.57094000
2013-07-01	-3784665247.83895000
2013-10-01	5521902148.72864000
2014-01-01	-8729789987.27474000
2014-04-01	-3485792038.37464000
2014-07-01	-528338939.65136000
2014-10-01	1648620700.17596980
2015-01-01	-4257509204.63011000
2015-04-01	5376498051.28513000
2015-07-01	137850480.78690500
2015-10-01	-9028850715.67578100
2016-01-01	-9242495486.87928000
2016-04-01	-726086798.64100600
2016-07-01	-6205364963.49395000
2016-10-01	2254149250.04427000
2017-01-01	3873300055.26914020
2017-04-01	4271533674.15991000
2017-07-01	-7741067539.00490000
2017-10-01	-6655329251.19883100
2018-01-01	136405415.55324000
2018-04-01	-4420570624.18289000