Quarter	US Dollars, sum over component sub-periods
1996-01-01	0.0000000000
1996-04-01	0.0000000000
1996-07-01	0.0000000000
1996-10-01	0.0000000000
1997-01-01	-3617452.6636525500
1997-04-01	1162702.0412424100
1997-07-01	7671108.1277863900
1997-10-01	15679397.2731301990
1998-01-01	6573010.7473712000
1998-04-01	3275932.3446978800
1998-07-01	-2221706.7120775300
1998-10-01	8232345.6499473410
1999-01-01	-1122504.4875106700
1999-04-01	-7397251.4563477500
1999-07-01	10486678.4075545990
1999-10-01	-11416729.6077758000
2000-01-01	7898115.0274073300
2000-04-01	1867763.2487570802
2000-07-01	9940517.9155709100
2000-10-01	-3477950.3826035103
2001-01-01	0.0000000000
2001-04-01	-2621424.2891799500
2001-07-01	-10697227.9622023000
2001-10-01	-1791332.5678802700
2002-01-01	1753258.6727983100
2002-04-01	-4598072.7520915600
2002-07-01	3934753.1200623900
2002-10-01	0.0000000000
2003-01-01	15029330.1859117990
2003-04-01	-7951240.8000292290
2003-07-01	6753942.1329093100
2003-10-01	0.0000000000
2004-01-01	-5000599.3289195610
2004-04-01	1205246.2150735902
2004-07-01	57465831.5458813000
2004-10-01	-7772413.8092273100
2005-01-01	13104588.6776096990
2005-04-01	5034043.8159442510
2005-07-01	43902032.2118523050
2005-10-01	-1189359.3912073000
2006-01-01	-24057952.9568950000
2006-04-01	-28908356.0436611030
2006-07-01	53530887.1645275950
2006-10-01	10319232.0231578000
2007-01-01	28844536.7689086000
2007-04-01	36398124.8685645000
2007-07-01	24747759.3762570020
2007-10-01	68106342.2866112000
2008-01-01	61426505.2884451000
2008-04-01	6248232.3682490300
2008-07-01	41986267.3374616950
2008-10-01	453113118.3909110000
2009-01-01	-2602118.3609019900
2009-04-01	-40854686.3263059000
2009-07-01	60077796.9589832000
2009-10-01	-56113928.5385625000
2010-01-01	-31826673.1242525020
2010-04-01	-11436178.2591595000
2010-07-01	43939690.6207167060
2010-10-01	-23074446.9679358000
2011-01-01	25977284.3363373000
2011-04-01	69086264.3696065000
2011-07-01	-15531605.9752687010
2011-10-01	109133540.0013410000
2012-01-01	23605395.8975358000
2012-04-01	2564706.1738796400
2012-07-01	131391529.3639340100
2012-10-01	-60996768.3559025000
2013-01-01	46182314.3727531000
2013-04-01	35262266.1717971040
2013-07-01	23842914.2031013000
2013-10-01	-25861160.2025793000
2014-01-01	49337726.8968182000
2014-04-01	17826350.6864055020
2014-07-01	100663740.4134060000
2014-10-01	-1248642.9151621000
2015-01-01	14634484.3099396000
2015-04-01	32075384.3833098040
2015-07-01	32239225.3453244980
2015-10-01	-43770940.3256613000
2016-01-01	-9919205.7455179490
2016-04-01	-37264174.7358525000
2016-07-01	55793606.9366477000
2016-10-01	-33402785.2540019970
2017-01-01	15983356.4866677000
2017-04-01	4399107.8003706610
2017-07-01	128019475.3074700100
2017-10-01	-47100702.4147121000
2018-01-01	-6144388.0879837800
2018-04-01	-11912073.8997114000