Quarter	US Dollars, sum over component sub-periods
1993-01-01	0.00000000000
1993-04-01	0.00000000000
1993-07-01	0.00000000000
1993-10-01	0.00000000000
1994-01-01	-226926.75851880200
1994-04-01	-235275.42478389802
1994-07-01	0.00000000000
1994-10-01	-126365.69216342899
1995-01-01	0.00000000000
1995-04-01	-560291.24768285590
1995-07-01	-136591.88127306900
1995-10-01	-137371.37843427700
1996-01-01	-266385.56276878400
1996-04-01	-128581.05514112700
1996-07-01	-130616.91295805600
1996-10-01	-127654.40158580699
1997-01-01	-469762.06548642804
1997-04-01	-114183.75536943400
1997-07-01	-108243.51438651800
1997-10-01	556977.07512843990
1998-01-01	645146.71879368010
1998-04-01	218162.29781272700
1998-07-01	665623.93644735390
1998-10-01	117652.45505719200
1999-01-01	674083.43518724700
1999-04-01	211501.51394581402
1999-07-01	0.00000000000
1999-10-01	415460.80135596500
2000-01-01	6717356.41773149900
2000-04-01	7195801.21149088100
2000-07-01	5791651.87034099000
2000-10-01	6344719.59270574000
2001-01-01	3601590.03772713000
2001-04-01	4453624.02400092000
2001-07-01	3025130.93177438000
2001-10-01	3314514.78150284000
2002-01-01	10695832.35065979900
2002-04-01	8811590.21185833000
2002-07-01	10914426.06290450000
2002-10-01	7702773.27311057000
2003-01-01	13416860.84129070000
2003-04-01	6929071.18041984000
2003-07-01	12484109.01325240000
2003-10-01	26271965.61598690000
2004-01-01	14759920.69619690000
2004-04-01	13616007.45327560000
2004-07-01	19549798.78640439700
2004-10-01	40791205.59633170000
2005-01-01	13240240.84744450000
2005-04-01	12725320.08207590000
2005-07-01	17932623.15303970000
2005-10-01	61492928.06706270000
2006-01-01	92976536.85011290000
2006-04-01	56057127.26033350000
2006-07-01	101583918.07599200000
2006-10-01	117393038.65189101000
2007-01-01	65645305.26562420000
2007-04-01	30997866.70749570000
2007-07-01	41502553.25242200000
2007-10-01	144599116.57503000000
2008-01-01	28913780.63224300000
2008-04-01	79542561.20077321000
2008-07-01	41304644.84729830000
2008-10-01	143927041.15098602000
2009-01-01	69429866.15061170000
2009-04-01	100864720.09674900000
2009-07-01	182171094.57153300000
2009-10-01	339519833.58244100000
2010-01-01	67707426.01959400000
2010-04-01	99582915.80118799000
2010-07-01	171370168.16532200000
2010-10-01	342609406.88944100000
2011-01-01	233248668.83048100000
2011-04-01	205963425.65188998000
2011-07-01	231985714.70333200000
2011-10-01	267579272.15143700000
2012-01-01	121698929.96062900000
2012-04-01	177092961.30638897000
2012-07-01	238757179.07274798000
2012-10-01	241391466.25952902000
2013-01-01	134060661.15062001000
2013-04-01	197207488.59042102000
2013-07-01	204121837.70543900000
2013-10-01	115150218.58622200000
2014-01-01	18912795.31044700000
2014-04-01	84332351.32414920000
2014-07-01	94570935.07259420000
2014-10-01	85656903.98011980000
2015-01-01	131822931.74568600000
2015-04-01	83617208.94407660000
2015-07-01	109724535.91667300000
2015-10-01	145210094.53038102000
2016-01-01	35819354.08103700000
2016-04-01	72382836.38085290000
2016-07-01	54008211.51467489500
2016-10-01	86739490.74023100000
2017-01-01	30901155.87422420000
2017-04-01	13197323.40111200000
2017-07-01	66241269.79212200000
2017-10-01	156374332.01684400000
2018-01-01	43502267.66292520000
2018-04-01	44789397.86291479000