Quarter	US Dollars, sum over component sub-periods
1996-01-01	-520476848.2725740
1996-04-01	-16733476779.5152990
1996-07-01	4700304496.0664610
1996-10-01	43622503633.2352100
1997-01-01	29608356021.9272000
1997-04-01	10852130625.2030010
1997-07-01	1912003774.9436400
1997-10-01	25656716659.8273000
1998-01-01	-64339428969.0360000
1998-04-01	-48580739184.1442000
1998-07-01	441580672.2699030
1998-10-01	19147614142.3375000
1999-01-01	-122171995221.2000100
1999-04-01	-139377974984.9060000
1999-07-01	-36834953801.9546050
1999-10-01	33205936693.3479040
2000-01-01	-56925535347.4202000
2000-04-01	1508217503.5094202
2000-07-01	-17781255622.5566000
2000-10-01	63040617062.1506040
2001-01-01	-1207151115.1047800
2001-04-01	-40296202866.1345100
2001-07-01	-14222404370.4909000
2001-10-01	38198787390.3497000
2002-01-01	-24548005481.8300000
2002-04-01	-464621189.8770820
2002-07-01	39498083993.0338000
2002-10-01	12154797899.3135000
2003-01-01	6213772254.6684900
2003-04-01	36383927730.9483000
2003-07-01	-9786171413.8571100
2003-10-01	1236424275.6027300
2004-01-01	27546402350.9411000
2004-04-01	44307326232.1310040
2004-07-01	-12079826207.9840010
2004-10-01	8570818430.4352900
2005-01-01	-58378044201.9445000
2005-04-01	33103970815.6381950
2005-07-01	56267428048.4907000
2005-10-01	14891312688.1388000
2006-01-01	-14034298471.4111000
2006-04-01	-60132317651.5076000
2006-07-01	39517886017.2548000
2006-10-01	-54423604075.4622040
2007-01-01	45248846134.5072000
2007-04-01	-10114856792.0904000
2007-07-01	56352369017.4188000
2007-10-01	-42513195063.0460000
2008-01-01	144135550278.8180000
2008-04-01	-128703596649.4030000
2008-07-01	52864730046.8005000
2008-10-01	-6200751616.2002600
2009-01-01	-45291826098.4808000
2009-04-01	26181092763.6269000
2009-07-01	14407494448.8093010
2009-10-01	-77031858724.4304000
2010-01-01	34810755948.2801000
2010-04-01	35865162371.5436000
2010-07-01	114597039287.4070000
2010-10-01	-53013063096.1600000
2011-01-01	42894178680.6098900
2011-04-01	-91854857436.6445900
2011-07-01	72663630399.3498100
2011-10-01	20145144655.3224030
2012-01-01	103237219350.8080000
2012-04-01	-18086416990.5156020
2012-07-01	47875557247.0765000
2012-10-01	53025684913.9323960
2013-01-01	16947486692.2857000
2013-04-01	-37251283649.0185000
2013-07-01	111651978056.5790000
2013-10-01	65386114903.8258000
2014-01-01	30231385565.7856980
2014-04-01	71885422983.1519000
2014-07-01	59890343404.0013050
2014-10-01	7533114642.9165500
2015-01-01	55260822947.0564960
2015-04-01	-36010766181.1753000
2015-07-01	77419136513.9977000
2015-10-01	-31282707262.3586000
2016-01-01	131947132412.2629900
2016-04-01	64323842886.8280000
2016-07-01	35586229725.1624000
2016-10-01	24396322298.0425030
2017-01-01	-32152878324.8571000
2017-04-01	7106576960.6371300
2017-07-01	104698654185.6260000
2017-10-01	-80752160870.3015900
2018-01-01	164955067688.3810000
2018-04-01	6172196502.9183410
2018-07-01	126155873074.8730000