Quarter	US Dollars, sum over component sub-periods
1999-01-01	11225044.8751067000
1999-04-01	6340501.2482980690
1999-07-01	-3146003.5222663800
1999-10-01	-1037884.5097978000
2000-01-01	2961793.1352777500
2000-04-01	-3735526.4975141500
2000-07-01	-2711050.3406102500
2000-10-01	-6086413.1695561400
2001-01-01	-8303846.2018194610
2001-04-01	-6990464.7711465200
2001-07-01	-3565742.6540674200
2001-10-01	-6269663.9875809600
2002-01-01	-2629888.0091974600
2002-04-01	0.0000000000
2002-07-01	-1967376.5600311900
2002-10-01	-7003268.9151036400
2003-01-01	-3220570.7541239600
2003-04-01	-2271783.0857226400
2003-07-01	1125657.0221515500
2003-10-01	-2379804.5306840600
2004-01-01	32503895.6379772000
2004-04-01	279617121.8970730000
2004-07-01	684699269.4828401000
2004-10-01	18135632.2215304000
2005-01-01	-13104588.6776096990
2005-04-01	27687240.9876934000
2005-07-01	67072549.2125522050
2005-10-01	27355265.9977680000
2006-01-01	-412593893.2107490300
2006-04-01	26394585.9529079980
2006-07-01	-10196359.4599100000
2006-10-01	-20638464.0463156000
2007-01-01	-20977844.9228427000
2007-04-01	1375040272.8124400000
2007-07-01	-10999004.1672253000
2007-10-01	-7245355.5624054500
2008-01-01	-7491037.2302981800
2008-04-01	-6248232.3682490300
2008-07-01	-4498528.6432994700
2008-10-01	-26267427.1530963000
2009-01-01	-9107414.2631569600
2009-04-01	12256405.8978917990
2009-07-01	0.0000000000
2009-10-01	0.0000000000
2010-01-01	0.0000000000
2010-04-01	-1270686.4732399501
2010-07-01	14215782.2596436000
2010-10-01	0.0000000000
2011-01-01	-1367225.4913861700
2011-04-01	-1439297.1743667999
2011-07-01	1411964.1795698800
2011-10-01	1347327.6543375500
2012-01-01	0.0000000000
2012-04-01	-1282353.0869398200
2012-07-01	18770218.4805620000
2012-10-01	19467053.7306072000
2013-01-01	19792420.4454656000
2013-04-01	6530049.2910735400
2013-07-01	56958072.8185198000
2013-10-01	19055591.7282164000
2014-01-01	0.0000000000
2014-04-01	0.0000000000
2014-07-01	0.0000000000
2014-10-01	-1248642.9151621000
2015-01-01	13508754.7476365000
2015-04-01	63044721.0292641000
2015-07-01	6670184.5542050700
2015-10-01	9848461.5732737900
2016-01-01	26451215.3213812000
2016-04-01	12421391.5786175000
2016-07-01	8926977.1098636300
2016-10-01	14007619.6226460000
2017-01-01	-564745262.5289260000
2017-04-01	9897992.5508339800
2017-07-01	-14093887.1898132000
2017-10-01	14130210.7244136000
2018-01-01	7373265.7055805300
2018-04-01	4764829.5598845500