Quarter	US Dollars, sum over component sub-periods
1995-01-01	357612663.8634680000
1995-04-01	-696876797.3760510000
1995-07-01	167885857.4927380000
1995-10-01	-400961478.5247560000
1996-01-01	389480975.1651860000
1996-04-01	372117226.7988630000
1996-07-01	-241813334.6621490000
1996-10-01	-143266170.4681870000
1997-01-01	-355806628.3694210000
1997-04-01	-235076745.5279860000
1997-07-01	-317003186.8197940000
1997-10-01	70905116.5412020100
1998-01-01	-62834113.4655350000
1998-04-01	-239497441.9988100000
1998-07-01	257940829.8256160000
1998-10-01	172344871.0939140000
1999-01-01	-139350382.7211770000
1999-04-01	-25042129.5787041970
1999-07-01	245762734.7992520000
1999-10-01	-294634161.7856580000
2000-01-01	-51018368.4584028000
2000-04-01	-1098023.6429727802
2000-07-01	-209368765.9264649700
2000-10-01	-216329951.5507890000
2001-01-01	261338718.7513520000
2001-04-01	-313309677.8532520500
2001-07-01	-269010195.2277660400
2001-10-01	-611167641.3255360000
2002-01-01	-66835997.9573398000
2002-04-01	-215517043.9901790000
2002-07-01	82933567.8957158900
2002-10-01	-420744641.3011910000
2003-01-01	1111296.6054535300
2003-04-01	-179750426.1847940000
2003-07-01	-290294241.5730340000
2003-10-01	-569374700.0687951000
2004-01-01	-92148192.3691465000
2004-04-01	-283334927.7461520000
2004-07-01	-468725537.8032840000
2004-10-01	-478117012.6718790500
2005-01-01	-616378263.0109999000
2005-04-01	-607406685.4809020000
2005-07-01	-699224564.6196150000
2005-10-01	-1332852592.4088302000
2006-01-01	-575602542.2736621000
2006-04-01	-69033992.7021318000
2006-07-01	-76476783.1498324000
2006-10-01	-1147343052.3427800000
2007-01-01	342201095.3038710000
2007-04-01	-2535736032.5099998000
2007-07-01	-316221369.8077280500
2007-10-01	-2837281238.2379700000
2008-01-01	-504895909.3220970000
2008-04-01	-3647405644.9653697000
2008-07-01	-926696900.5196910000
2008-10-01	594957225.0176300000
2009-01-01	1049954758.6239500000
2009-04-01	777600863.0773561000
2009-07-01	2564749760.6537400000
2009-10-01	-502071992.1871380000
2010-01-01	1082106886.2245900000
2010-04-01	-115632469.0648350100
2010-07-01	-681065204.6211080000
2010-10-01	451987696.4895650000
2011-01-01	2871173531.9109597000
2011-04-01	-277784354.6527930000
2011-07-01	-497011391.2085990000
2011-10-01	122606816.5447170000
2012-01-01	-1181450064.6716700000
2012-04-01	187864727.2366840000
2012-07-01	-898467791.2695651000
2012-10-01	1969806276.8210400000
2013-01-01	862949531.4223000000
2013-04-01	2760513037.3084297000
2013-07-01	38678505.2628088000
2013-10-01	3263133972.0875597000
2014-01-01	4642543051.7492090000
2014-04-01	3192562282.1607200000
2014-07-01	1464260066.1450002000
2014-10-01	-70298596.1236261000
2015-01-01	310813932.1518700000
2015-04-01	-1218975211.3395100000
2015-07-01	1933241823.2937700000
2015-10-01	-725612763.2486501000
2016-01-01	70977427.7790396000
2016-04-01	-396694078.3243940000
2016-07-01	118394033.9195660000
2016-10-01	-2782990766.2592400000
2017-01-01	1053942526.7308700000
2017-04-01	79843806.5767274000
2017-07-01	52264831.6622239950
2017-10-01	-2044759243.5786900000
2018-01-01	2455911918.7671200000
2018-04-01	-725802662.7094140000