Quarter	US Dollars, sum over component sub-periods
1963-01-01	-498921945.530321960
1963-04-01	-168029998.283895000
1963-07-01	-369586730.358263000
1963-10-01	-433653831.492994000
1964-01-01	-679954494.722306000
1964-04-01	-439270064.839569000
1964-07-01	-161663264.506325000
1964-10-01	-209004722.299112000
1965-01-01	-631225337.697410100
1965-04-01	-665273121.357734000
1965-07-01	-80995008.975852700
1965-10-01	-706523996.793971100
1966-01-01	-39212990.061021104
1966-04-01	-145187426.311081000
1966-07-01	-69725833.374806200
1966-10-01	-510734684.866670000
1967-01-01	-494490532.689503000
1967-04-01	-55915922.284414200
1967-07-01	-136491097.270581000
1967-10-01	-268007776.423685970
1968-01-01	-736274336.523535000
1968-04-01	-772598155.186500000
1968-07-01	-372772261.589339000
1968-10-01	-651686787.807411000
1969-01-01	-779171952.933422900
1969-04-01	-838853909.513922000
1969-07-01	-412892784.846549000
1969-10-01	-989009423.246997000
1970-01-01	-709090854.024388100
1970-04-01	-1035561394.530810000
1970-07-01	-594619798.866875000
1970-10-01	-919957148.953816000
1971-01-01	-1578789171.864730000
1971-04-01	-2467005971.895120000
1971-07-01	-1283568613.576409800
1971-10-01	-3542071781.567130000
1972-01-01	-1920543369.797750000
1972-04-01	-725184586.335906000
1972-07-01	1381233253.056550000
1972-10-01	-903093525.595533000
1973-01-01	-1380272504.023249900
1973-04-01	-2310208917.261250000
1973-07-01	-770749266.169336000
1973-10-01	-2503385147.210210300
1974-01-01	-1379504208.331800000
1974-04-01	-1301812560.049530000
1974-07-01	-1502222642.300940000
1974-10-01	-2078300054.782620000
1975-01-01	-1685193233.009930100
1975-04-01	-1208198007.921380000
1975-07-01	144857690.931305000
1975-10-01	-743605608.011501000
1976-01-01	-3401344586.580960000
1976-04-01	-1606876160.653020000
1976-07-01	-1446024890.540800000
1976-10-01	-552734627.684281000
1977-01-01	-6864461317.312520000
1977-04-01	-4118885223.377750000
1977-07-01	-6617817284.926580000
1977-10-01	-5214809442.199760000
1978-01-01	-2868285611.742870000
1978-04-01	1319656035.329200000
1978-07-01	-2578498358.519520000
1978-10-01	-4033839413.390630000
1979-01-01	-8532905973.341691000
1979-04-01	-19542814473.422600000
1979-07-01	-32538290624.778000000
1979-10-01	-21134008396.654200000
1980-01-01	-30672866208.845400000
1980-04-01	-17609654246.084103000
1980-07-01	-10581638148.185501000
1980-10-01	-36513347378.966800000
1981-01-01	-32947607108.979000000
1981-04-01	-16764409009.369999000
1981-07-01	-24046099282.749700000
1981-10-01	-23626663244.354700000
1982-01-01	-20270054732.672100000
1982-04-01	-33813638.322202800
1982-07-01	-30044593066.851000000
1982-10-01	-2141915830.953780200
1983-01-01	-15638104491.814000000
1983-04-01	-354392769.818985040
1983-07-01	-16460419260.611600000
1983-10-01	-10852234324.835001000
1984-01-01	-19197816092.524700000
1984-04-01	-11765677140.568100000
1984-07-01	-758862993.670283000
1984-10-01	-9784293884.936220000
1985-01-01	-17398753631.677998000
1985-04-01	-7704114202.999750000
1985-07-01	-19759765128.781097000
1985-10-01	-16863199197.013601000
1986-01-01	-21101500736.192700000
1986-04-01	-21296339557.956600000
1986-07-01	-61389501661.545800000
1986-10-01	-23856095327.020000000
1987-01-01	22976338023.995000000
1987-04-01	38993675035.343600000
1987-07-01	43492844956.414500000
1987-10-01	20769071328.306700000
1988-01-01	12082795402.723598000
1988-04-01	35910467230.842600000
1988-07-01	39952072623.844200000
1988-10-01	17099113288.533602000
1989-01-01	44173574350.423000000
1989-04-01	27404684612.950000000
1989-07-01	37290788966.502396000
1989-10-01	34295891496.342598000
1990-01-01	29768863758.964500000
1990-04-01	14346071384.508500000
1990-07-01	61088775284.086600000
1990-10-01	46542365700.864700000
1991-01-01	20795588779.538900000
1991-04-01	10304929622.905100000
1991-07-01	15430525902.158800000
1991-10-01	-3110827736.599690000
1992-01-01	15242003810.291200000
1992-04-01	14391354906.930302000
1992-07-01	73841093725.031890000
1992-10-01	22503624885.210400000
1993-01-01	50303028122.298200000
1993-04-01	51024671560.623200000
1993-07-01	33138094091.283600000
1993-10-01	97322964132.451800000
1994-01-01	1236948607.098060000
1994-04-01	-12876949269.958801000
1994-07-01	35825525528.478400000
1994-10-01	27966258223.806100000
1995-01-01	70820803084.888100000
1995-04-01	7393436805.422290000
1995-07-01	74149815865.836200000
1995-10-01	38963430918.659200000
1996-01-01	85360645064.482500000
1996-04-01	84131113524.221700000
1996-07-01	58657120248.205696000
1996-10-01	107113914265.625000000
1997-01-01	165181694154.149020000
1997-04-01	96074534073.470110000
1997-07-01	52859209026.363106000
1997-10-01	102359853042.041000000
1998-01-01	99077475366.604400000
1998-04-01	97913077737.887590000
1998-07-01	71958346204.030300000
1998-10-01	-2686183232.401070000
1999-01-01	160080306953.192000000
1999-04-01	189107560876.871000000
1999-07-01	-18489340541.824800000
1999-10-01	-13116427390.055300000
2000-01-01	384462770717.436950000
2000-04-01	138179387404.403000000
2000-07-01	143157691694.846000000
2000-10-01	98133678296.254800000
2001-01-01	364381539314.406000000
2001-04-01	-7728084532.341940000
2001-07-01	16591312961.916502000
2001-10-01	25344566071.157500000
2002-01-01	14957541471.269400000
2002-04-01	44226303275.243805000
2002-07-01	97164867176.081700000
2002-10-01	71593376748.583300000
2003-01-01	271882306263.041000000
2003-04-01	154052274608.962000000
2003-07-01	123018223137.079000000
2003-10-01	60988719512.878296000
2004-01-01	492656428877.876040000
2004-04-01	116228052460.415000000
2004-07-01	267995637343.844000000
2004-10-01	166000442167.514980000
2005-01-01	546430353631.848000000
2005-04-01	327827477194.483950000
2005-07-01	255815989898.536000000
2005-10-01	186501611375.315000000
2006-01-01	633277306407.875000000
2006-04-01	153675213137.965000000
2006-07-01	287134204285.688960000
2006-10-01	164851536126.926000000
2007-01-01	851769390997.235000000
2007-04-01	559732396125.928000000
2007-07-01	379113658438.430000000
2007-10-01	282987378613.427000000
2008-01-01	524149237694.639040000
2008-04-01	-594515580133.346100000
2008-07-01	-61873707498.227800000
2008-10-01	-768650156713.534900000
2009-01-01	-80895999165.542100000
2009-04-01	-211737243278.642000000
2009-07-01	-92610514757.060790000
2009-10-01	-78943850220.532410000
2010-01-01	160272598836.358980000
2010-04-01	77612563743.598800000
2010-07-01	307015048714.638000000
2010-10-01	-170030115485.229000000
2011-01-01	186206144500.175000000
2011-04-01	60632047111.147705000
2011-07-01	43535221277.891010000
2011-10-01	-176584042760.666000000
2012-01-01	120147220613.289000000
2012-04-01	-223299724950.884000000
2012-07-01	-60252229803.824700000
2012-10-01	-149530591131.064000000
2013-01-01	-2732112863.594190000
2013-04-01	34696869449.807700000
2013-07-01	-354851460860.810000000
2013-10-01	-60180864671.969696000
2014-01-01	153203276245.289000000
2014-04-01	10944608459.842600000
2014-07-01	69652774560.867200000
2014-10-01	-45736554198.589700000
2015-01-01	-79524507617.620790000
2015-04-01	-217762932855.925000000
2015-07-01	-21577873189.022400000
2015-10-01	-59154484048.839390000
2016-01-01	-40755868382.968100000
2016-04-01	187349961625.752000000
2016-07-01	13571944374.161000000
2016-10-01	-80904747319.940600000
2017-01-01	170677472165.011000000
2017-04-01	56291541880.241900000
2017-07-01	140328997304.159030000
2017-10-01	172943550199.677000000
2018-01-01	165684991413.570000000
2018-04-01	-176366382358.437000000