Quarter	US Dollars, monthly level
1960-01-01	-32072526.673651400
1960-04-01	8022527.256536380
1960-07-01	-86028331.997337790
1960-10-01	-46246741.782992795
1961-01-01	-148350106.250752000
1961-04-01	-39990668.843936400
1961-07-01	-26106165.071289900
1961-10-01	-52221873.332498600
1962-01-01	-14060205.801241000
1962-04-01	-52231385.035708200
1962-07-01	-18090294.690900500
1962-10-01	-104502657.783941000
1963-01-01	-64221822.173788300
1963-04-01	-14034759.420832200
1963-07-01	-40075984.065788700
1963-10-01	-62157008.603733000
1964-01-01	-86299574.589926600
1964-04-01	-104400410.373921000
1964-07-01	-80418605.648602900
1964-10-01	-26190228.358644903
1965-01-01	64468254.421279800
1965-04-01	-72529172.845077800
1965-07-01	-8057471.256650000
1965-10-01	-54374385.770827500
1966-01-01	-88453234.372926900
1966-04-01	-50184948.262663900
1966-07-01	-118524669.202336000
1966-10-01	-69999999.999999900
1967-01-01	22080904.433845500
1967-04-01	-54368108.338859500
1967-07-01	-66485119.757161400
1967-10-01	-24171991.778837000
1968-01-01	-36240589.191445600
1968-04-01	22100069.112943497
1968-07-01	-23964309.155564400
1968-10-01	-13936033.605749499
1969-01-01	35839153.877398300
1969-04-01	-77587801.871258600
1969-07-01	-25856993.587465600
1969-10-01	108483619.977861000
1970-01-01	40258675.409061700
1970-04-01	102695315.751179010
1970-07-01	-30218012.890332800
1970-10-01	62444354.023229300
1971-01-01	-76554818.286394400
1971-04-01	-6041691.700527941
1971-07-01	116627779.372979000
1971-10-01	-2164127.423822720
1972-01-01	-4539573.734026390
1972-04-01	156811054.042998000
1972-07-01	54694206.212350406
1972-10-01	435170215.016394000
1973-01-01	-11959977.132523500
1973-04-01	92237765.044790400
1973-07-01	90497572.105540290
1973-10-01	184165088.005838000
1974-01-01	-514006682.086867000
1974-04-01	-442672976.430065000
1974-07-01	-485824937.635238000
1974-10-01	-114019743.977061990
1975-01-01	-88844731.889527410
1975-04-01	-588598335.923927900
1975-07-01	-789951605.622566100
1975-10-01	-520986298.571118000
1976-01-01	-685704963.331353000
1976-04-01	-799580347.639201000
1976-07-01	-868334974.090831000
1976-10-01	-262874765.919505980
1977-01-01	-878670079.787595000
1977-04-01	-727035492.048222100
1977-07-01	-724201717.312444000
1977-10-01	-563043653.119147000
1978-01-01	-1025939850.789290100
1978-04-01	-905633409.453088000
1978-07-01	-900661749.369537000
1978-10-01	-823473031.258227000
1979-01-01	-936162167.887360000
1979-04-01	-1037202767.635750000
1979-07-01	-1027286657.642120000
1979-10-01	-1496282018.862010000
1980-01-01	-2220117016.496269700
1980-04-01	-1382642222.408210000
1980-07-01	-1874298896.168060000
1980-10-01	-1832907029.616260000
1981-01-01	-2801711598.257630300
1981-04-01	-1393155964.437770100
1981-07-01	-1786610223.296960000
1981-10-01	-773071006.924987000
1982-01-01	-2571299128.601909600
1982-04-01	-1836974951.687780000
1982-07-01	-954820582.061992000
1982-10-01	-492532657.651495000
1983-01-01	-1494119585.329380000
1983-04-01	-618040526.785048000
1983-07-01	-740433725.134090000
1983-10-01	-527235709.190485000
1984-01-01	-1241624777.997079800
1984-04-01	-953229560.004708000
1984-07-01	-768492453.790062100
1984-10-01	-601608577.346736000
1985-01-01	-1276819689.887539900
1985-04-01	-307533435.760522000
1985-07-01	-547025552.179069000
1985-10-01	-289635209.376454000
1986-01-01	-695666719.648955000
1986-04-01	-276949253.601112000
1986-07-01	-205399423.830660020
1986-10-01	1438749180.423440000
1987-01-01	-659607839.023059000
1987-04-01	680921360.221924900
1987-07-01	-327167473.598275000
1987-10-01	62032743.712087400
1988-01-01	-639047514.894466000
1988-04-01	56014825.257084900
1988-07-01	-610908942.190292000
1988-10-01	889576900.026070000
1989-01-01	547042658.145645000
1989-04-01	471668603.828005000
1989-07-01	-188763754.709777980
1989-10-01	695749278.214823000
1990-01-01	-359708494.501937000
1990-04-01	-664410239.620996000
1990-07-01	-552133390.546419000
1990-10-01	-438950864.399686000
1991-01-01	-549566485.441201000
1991-04-01	-247156614.823248980
1991-07-01	-1620623981.957150000
1991-10-01	-256088607.141577000
1992-01-01	-1640871886.067580000
1992-04-01	266382309.393017980
1992-07-01	-566196080.512692000
1992-10-01	294386620.091388000
1993-01-01	2096379168.612840000
1993-04-01	3670255873.617230000
1993-07-01	2767460976.952970000
1993-10-01	2924760680.118390000
1994-01-01	3045020427.166010400
1994-04-01	3816641671.861850000
1994-07-01	2674928492.762720000
1994-10-01	4019413256.755229500
1995-01-01	4078992001.638139700
1995-04-01	4023115828.365800000
1995-07-01	3321828393.578710000
1995-10-01	3314008843.214680000
1996-01-01	2115256637.489630000
1996-04-01	3208735583.884470000
1996-07-01	3084171735.567169700
1996-10-01	3097022753.411540000
1997-01-01	3203212228.644820000
1997-04-01	3224898475.063690000
1997-07-01	4254972618.506680000
1997-10-01	2455076042.377070000
1998-01-01	3296404456.640470000
1998-04-01	3879198382.609040300
1998-07-01	3048591761.269290000
1998-10-01	2527143161.288570400
1999-01-01	3698427785.450160000
1999-04-01	3704120829.255730000
1999-07-01	4406816867.206680000
1999-10-01	2546864798.592809700
2000-01-01	3010366542.696300000
2000-04-01	3283434403.152500000
2000-07-01	2741052631.046340000
2000-10-01	1878006257.846330000
2001-01-01	2419740783.210190000
2001-04-01	2321970254.545960000
2001-07-01	3592664011.105630000
2001-10-01	3346925769.827500300
2002-01-01	4056426928.319800000
2002-04-01	4774638745.771880000
2002-07-01	5200858305.270471000
2002-10-01	3736644153.002940000
2003-01-01	4335210292.126260000
2003-04-01	5929808210.353220000
2003-07-01	5766740924.482400000
2003-10-01	4631932548.296910000
2004-01-01	5739562894.750649000
2004-04-01	5382147498.032620000
2004-07-01	4415821217.257550000
2004-10-01	5715185414.154990000
2005-01-01	2561553948.812360300
2005-04-01	5485597546.234450000
2005-07-01	4889344937.416100000
2005-10-01	2731839585.664050000
2006-01-01	1685620473.924850000
2006-04-01	5342641262.382190000
2006-07-01	4540183958.511440000
2006-10-01	3637142316.962260000
2007-01-01	6366513711.021211000
2007-04-01	5283659652.216729000
2007-07-01	6221861682.295190000
2007-10-01	1232434981.165170000
2008-01-01	3378907253.098300000
2008-04-01	3516661382.659760000
2008-07-01	275459903.924704000
2008-10-01	-1219596642.718260000
2009-01-01	1131010745.566050000
2009-04-01	5555964975.802100000
2009-07-01	5713684575.546730000
2009-10-01	3950420569.114800000
2010-01-01	5625572039.971140000
2010-04-01	5060635948.325420000
2010-07-01	4669496769.140400000
2010-10-01	1081648634.632240000
2011-01-01	1997516442.915200000
2011-04-01	2966535406.087420000
2011-07-01	2618769963.848260400
2011-10-01	1204780388.508640000
2012-01-01	2389521770.272229700
2012-04-01	3203959187.719149600
2012-07-01	2806397932.423750000
2012-10-01	-1638217461.609700000
2013-01-01	-531888312.104478960
2013-04-01	4472822562.413730000
2013-07-01	8971293850.820240000
2013-10-01	4176305149.977589600
2014-01-01	3624678336.019580000
2014-04-01	6449985055.665050500
2014-07-01	3855421257.833440300
2014-10-01	4496987458.956289000
2015-01-01	4433911027.042991000
2015-04-01	5999202927.416290000
2015-07-01	5750588443.665330000
2015-10-01	5085088992.333700000
2016-01-01	5468127487.312530000
2016-04-01	5925229626.483800000
2016-07-01	2892117409.168070000
2016-10-01	4846420887.595170000
2017-01-01	3862111705.728470000
2017-04-01	5673639307.833051000
2017-07-01	7159342345.245360000
2017-10-01	7028484566.079380000
2018-01-01	4628690434.439939500
2018-04-01	5508500333.443540000