Quarter	US Dollars, sum over component sub-periods
1982-01-01	0.0000000000
1982-04-01	0.0000000000
1982-07-01	0.0000000000
1982-10-01	0.0000000000
1983-01-01	0.0000000000
1983-04-01	0.0000000000
1983-07-01	0.0000000000
1983-10-01	0.0000000000
1984-01-01	0.0000000000
1984-04-01	0.0000000000
1984-07-01	0.0000000000
1984-10-01	0.0000000000
1985-01-01	0.0000000000
1985-04-01	0.0000000000
1985-07-01	0.0000000000
1985-10-01	0.0000000000
1986-01-01	0.0000000000
1986-04-01	0.0000000000
1986-07-01	0.0000000000
1986-10-01	0.0000000000
1987-01-01	0.0000000000
1987-04-01	0.0000000000
1987-07-01	0.0000000000
1987-10-01	0.0000000000
1988-01-01	0.0000000000
1988-04-01	0.0000000000
1988-07-01	0.0000000000
1988-10-01	0.0000000000
1989-01-01	0.0000000000
1989-04-01	0.0000000000
1989-07-01	0.0000000000
1989-10-01	0.0000000000
1990-01-01	0.0000000000
1990-04-01	0.0000000000
1990-07-01	0.0000000000
1990-10-01	0.0000000000
1991-01-01	0.0000000000
1991-04-01	0.0000000000
1991-07-01	0.0000000000
1991-10-01	0.0000000000
1992-01-01	-15474148.5358460000
1992-04-01	-9094066.3073555400
1992-07-01	-8414148.6370133600
1992-10-01	-1603794.6691725400
1993-01-01	2262891.9025147600
1993-04-01	3916820.0854313800
1993-07-01	2372080.2748585000
1993-10-01	-1947553.6262406100
1994-01-01	-11861079.3312268010
1994-04-01	-9225820.6943556300
1994-07-01	-8076932.9601651000
1994-10-01	-16411088.8488737000
1995-01-01	-24815756.3263911000
1995-04-01	-9868121.2056986800
1995-07-01	-19351191.9182440000
1995-10-01	-20655942.7754014000
1996-01-01	-28756330.5265405000
1996-04-01	-11437241.4057423000
1996-07-01	-6029095.3438703500
1996-10-01	-16765676.7892749980
1997-01-01	-24568474.4353260000
1997-04-01	-11171352.9561028000
1997-07-01	-7915049.0101336010
2002-07-01	40821927.9049122000
2003-01-01	5377644.6029450000
2003-04-01	5342983.1587761400
2003-07-01	-4790191.0705853400
2003-10-01	31574558.8009165000
2004-01-01	-14150693.6035554990
2004-04-01	2239506.0436631100
2004-07-01	5473657.4284034100
2004-10-01	-8485375.6028842200
2005-01-01	-2453928.2942848303
2005-04-01	-11885502.1309269000
2005-07-01	-14585068.1007412000
2005-10-01	-6525377.4350308600
2006-01-01	-1943257191.3181900000
2006-04-01	0.0000000000
2006-07-01	-20295268.8010738000
2006-10-01	-20054513.4715211020
2007-01-01	335067232.6847570000
2007-04-01	-41928591.2913312000
2007-07-01	-50307861.3816007000
2007-10-01	-163496459.0051089800
2008-01-01	-40322562.0491815000
2008-04-01	-71444842.6112973100
2008-07-01	-52073913.8557136950
2008-10-01	-107489147.7570550000
2009-01-01	-37080668.1002892000
2009-04-01	-22878286.8591133000
2009-07-01	-21845101.0893226000
2009-10-01	-23835419.8178396000
2010-01-01	-58989303.2392154040
2010-04-01	-58965574.6620888000
2010-07-01	-56514520.2217976000
2010-10-01	-30505974.6325591000
2011-01-01	-101520107.7356250000
2011-04-01	-53536713.8874220000
2011-07-01	-59143626.1013891000
2011-10-01	-70600850.3315821900
2012-01-01	-61956744.3648738000
2012-04-01	-80206900.0196569000
2012-07-01	-59045465.2643084000
2012-10-01	-10535843.0351742000
2013-01-01	-95292927.1819423000
2013-04-01	-90020803.4648764000
2013-07-01	-83637867.5708791000
2013-10-01	-487169887.6844780000
2014-01-01	-133932423.9007810000
2014-04-01	-33340174.7826845000
2014-07-01	-67088714.2588384900
2014-10-01	-48055565.8355107000
2015-01-01	-88672405.9784951000
2015-04-01	-91005146.1457652000
2015-07-01	-7665733.3912095400
2015-10-01	-312656951.4449079600
2016-01-01	-99366142.8555090000
2016-04-01	-46897639.1286740000
2016-07-01	-31448817.3095675970
2016-10-01	-53422835.1509260000
2017-01-01	-16695720.3316099000
2017-04-01	-47353261.4790184000
2017-07-01	-13269860.7545649000
2017-10-01	-407631675.4955150500
2018-01-01	-46357324.1449677000
2018-04-01	-40037791.0537141040