Quarter	US Dollars, sum over component sub-periods
1993-01-01	-10763814.715740701
1993-04-01	22877387.757898000
1993-07-01	-15146005.112527000
1993-10-01	-20354498.592184200
1994-01-01	-64901052.936377400
1994-04-01	-57407203.647271000
1994-07-01	11147216.160284400
1994-10-01	-25652235.509175997
1995-01-01	-110575589.212089000
1995-04-01	-17088883.054327097
1995-07-01	10927350.501845501
1995-10-01	-23627877.090695597
1996-01-01	-95499224.252609000
1996-04-01	-45903436.685382500
1996-07-01	-94566644.981632290
1996-10-01	-192758146.394568000
1997-01-01	-113799860.364087000
1997-04-01	-108360383.845593000
1997-07-01	-140283594.644927000
1997-10-01	-225241529.181941000
1998-01-01	-152577198.994705000
1998-04-01	-102536279.971982000
1998-07-01	-103060772.826599000
1998-10-01	-118123064.877420010
1999-01-01	-72801011.000222610
1999-04-01	-97396447.172047600
1999-07-01	1048470.173971320
1999-10-01	-110097112.359331010
2000-01-01	-12446866.303443700
2000-04-01	-50931320.263149800
2000-07-01	-72486142.939736400
2000-10-01	-134368993.018124000
2001-01-01	-63628090.666512600
2001-04-01	-2095823.070118080
2001-07-01	-89508285.804853700
2001-10-01	-161425828.007246000
2002-01-01	-169730585.498995000
2002-04-01	-131255979.197473000
2002-07-01	-157718373.017107000
2002-10-01	-237785611.301089020
2003-01-01	-335528855.918999000
2003-04-01	-104617615.691257000
2003-07-01	-11921761.760403200
2003-10-01	12838788.626817100
2004-01-01	-322841994.210884030
2004-04-01	-492947668.065047000
2004-07-01	-167639524.593418000
2004-10-01	-468516132.849296030
2005-01-01	-274374495.977241000
2005-04-01	-263451923.679413020
2005-07-01	-306440471.839700040
2005-10-01	-306037338.329888000
2006-01-01	-503372324.343755000
2006-04-01	-486289294.552086000
2006-07-01	-553931879.495935900
2006-10-01	-885865930.134658000
2007-01-01	-906455532.589996000
2007-04-01	-686400587.570763000
2007-07-01	-902336969.057624000
2007-10-01	-731544027.642610000
2008-01-01	-862020174.911534100
2008-04-01	-315826161.467117000
2008-07-01	-468920368.048236970
2008-10-01	-205966825.099173000
2009-01-01	40641872.868650800
2009-04-01	123324475.583880000
2009-07-01	568962939.796020000
2009-10-01	597265073.100817900
2010-01-01	50122879.793646300
2010-04-01	204380262.697968000
2010-07-01	327114269.753399000
2010-10-01	517448969.294132000
2011-01-01	143285231.497271000
2011-04-01	243097292.750553000
2011-07-01	480350213.889674000
2011-10-01	531520759.636163000
2012-01-01	121567788.872310000
2012-04-01	14234119.265031999
2012-07-01	65070090.732614800
2012-10-01	455918398.370820000
2013-01-01	-6069675.603276120
2013-04-01	242003626.727185000
2013-07-01	91397837.778555000
2013-10-01	258067156.547844000
2014-01-01	-281773240.277384000
2014-04-01	165647935.609061000
2014-07-01	147419398.789632000
2014-10-01	345000037.459287000
2015-01-01	152874074.560753000
2015-04-01	402269562.076199000
2015-07-01	280036581.534043000
2015-10-01	221043248.644589000
2016-01-01	-130051808.663457990
2016-04-01	108066106.733972010
2016-07-01	214470625.064474020
2016-10-01	120250026.914407000
2017-01-01	266602386.197617020
2017-04-01	184982483.005586000
2017-07-01	201777484.934158980
2017-10-01	492202340.233742000
2018-01-01	-17081398.884594900
2018-04-01	43121707.516955200