Quarter	US Dollars, sum over component sub-periods
1996-01-01	-36773689596.9976960
1996-04-01	28173075051.6578030
1996-07-01	-32933335901.3001020
1996-10-01	3562064702.9386400
1997-01-01	-11047704803.4327000
1997-04-01	15811931541.4716000
1997-07-01	22166571511.4735000
1997-10-01	97005842118.5956000
1998-01-01	-9294837972.2065600
1998-04-01	36645724651.0945000
1998-07-01	-21438666501.4847000
1998-10-01	49464923485.3906000
1999-01-01	2945250211.5002900
1999-04-01	8243907208.5486800
1999-07-01	-16428017968.3294980
1999-10-01	4017502910.5078400
2000-01-01	44543609856.1923000
2000-04-01	-25682669045.3317000
2000-07-01	-14412760401.8590000
2000-10-01	9918449871.7845400
2001-01-01	3233735025.3308300
2001-04-01	33998779166.4898030
2001-07-01	-65822248467.8358000
2001-10-01	-459168311.1018190
2002-01-01	-19132727387.7659000
2002-04-01	-2054601477.0063097
2002-07-01	-58628924061.4272000
2002-10-01	16902120681.7965000
2003-01-01	-52953456461.8211000
2003-04-01	-71814361027.1623100
2003-07-01	-49074456763.8230000
2003-10-01	-10090624316.8241000
2004-01-01	-107449589413.0569900
2004-04-01	37956741856.8688000
2004-07-01	-1693323545.0369200
2004-10-01	50866427778.6203000
2005-01-01	18470141868.8377000
2005-04-01	40544167812.7272000
2005-07-01	-58491498583.1167000
2005-10-01	60236800130.4328000
2006-01-01	15644440554.9459000
2006-04-01	110956555691.9039900
2006-07-01	-83180638696.1640000
2006-10-01	131834979210.2910000
2007-01-01	37486853759.0589000
2007-04-01	49702104570.2753100
2007-07-01	13231410082.3103000
2007-10-01	111403525148.1480000
2008-01-01	-94362085176.1089000
2008-04-01	87919005153.3302000
2008-07-01	-11137807968.2918000
2008-10-01	-179815158001.4030000
2009-01-01	-81792193283.7829900
2009-04-01	-34858312924.0077060
2009-07-01	-46765874854.9269000
2009-10-01	42307294568.7279000
2010-01-01	4945262834.2722500
2010-04-01	29158393451.7866000
2010-07-01	-47817257512.6156000
2010-10-01	11600241222.3126000
2011-01-01	47161156701.0029100
2011-04-01	93000898815.8066900
2011-07-01	-17453069308.7800000
2011-10-01	-73798826392.6670000
2012-01-01	-70434679697.0892000
2012-04-01	56077712154.3182000
2012-07-01	-21248061834.5130000
2012-10-01	-29333554300.6473000
2013-01-01	41275338450.0243000
2013-04-01	86645000054.9193900
2013-07-01	-95811788574.1154000
2013-10-01	-3781924214.9555497
2014-01-01	-13766286151.0992010
2014-04-01	-40921585036.8019940
2014-07-01	-28813351322.1979030
2014-10-01	21489823925.9541000
2015-01-01	-37900714123.6673000
2015-04-01	-4944122772.2996100
2015-07-01	-80600707140.3232000
2015-10-01	15726206469.5544000
2016-01-01	-116759748577.9970000
2016-04-01	19012003236.3673020
2016-07-01	-34587505788.7739940
2016-10-01	11885496120.8508000
2017-01-01	11657675262.7372000
2017-04-01	15468058012.1278000
2017-07-01	-47040637005.7250060
2017-10-01	25473887659.4639970
2018-01-01	-44062983740.4006040
2018-04-01	22876355978.8238030
2018-07-01	-96789412306.2576000