Quarterly US Dollars, monthly level
1960-01-01 -59423553.966355406
1960-04-01 -65661896.847423600
1960-07-01 -30352668.498412800
1960-10-01 -51438208.563665300
1961-01-01 -65269396.727104895
1961-04-01 -71246046.507984890
1961-07-01 -38370904.704149700
1961-10-01 -53733983.920278795
1962-01-01 -68089896.821109710
1962-04-01 -80689036.766517200
1962-07-01 -52991153.907236405
1962-10-01 -77059577.636361600
1963-01-01 -73156532.462580590
1963-04-01 -89325315.809094000
1963-07-01 -48708970.600478400
1963-10-01 -98747039.010824300
1964-01-01 -89528530.448485390
1964-04-01 -104627673.611231000
1964-07-01 -67434856.813692200
1964-10-01 -88604232.570321500
1965-01-01 -123168321.576903000
1965-04-01 -144232243.429217000
1965-07-01 -74289296.503356400
1965-10-01 -84649589.287854200
1966-01-01 -92697481.879906100
1966-04-01 -97155773.117483390
1966-07-01 -87294657.678508800
1966-10-01 -86239836.781759290
1967-01-01 -100576740.555927990
1967-04-01 -87507371.261233600
1967-07-01 -46238180.910485305
1967-10-01 -61274507.673671700
1968-01-01 -93352480.536609300
1968-04-01 -101175027.152220000
1968-07-01 -66905972.337725700
1968-10-01 -102383615.464896000
1969-01-01 -123564624.800677000
1969-04-01 -156286182.750532000
1969-07-01 -99758354.875582600
1969-10-01 -124040068.358370000
1970-01-01 -119139560.967794000
1970-04-01 -142011692.159845980
1970-07-01 -102754119.239035010
1970-10-01 -136572156.737815000
1971-01-01 -192355355.274804980
1971-04-01 -136106408.706167000
1971-07-01 -93426618.939147400
1971-10-01 -108508508.508508000
1972-01-01 -146306852.637962000
1972-04-01 -147231609.046010000
1972-07-01 -53712516.297262100
1972-10-01 -151550827.423168000
1973-01-01 -196254633.360192980
1973-04-01 -189835526.315789000
1973-07-01 -134411400.247831000
1973-10-01 -141741025.437832030
1974-01-01 -283455194.953257000
1974-04-01 -426207144.569647970
1974-07-01 -299174894.217207000
1974-10-01 -163529822.926375000
1975-01-01 -246544322.987313000
1975-04-01 -201012315.080164020
1975-07-01 -37325853.866363704
1975-10-01 -103640449.438202000
1976-01-01 -356782573.940847000
1976-04-01 -214974121.328840000
1976-07-01 -150783898.305085000
1976-10-01 -157322626.773731980
1977-01-01 -414021590.130226000
1977-04-01 -299412068.076328000
1977-07-01 -120815500.289184000
1977-10-01 -158286491.387126000
1978-01-01 -359486915.707581000
1978-04-01 -457967086.749052000
1978-07-01 -314873576.529627000
1978-10-01 -299510147.418523000
1979-01-01 -739655380.894801000
1979-04-01 -867112920.448478000
1979-07-01 -610154770.952809000
1979-10-01 -504153663.144636030
1980-01-01 -1002574787.811330100
1980-04-01 -666426805.822575900
1980-07-01 -496094921.488188000
1980-10-01 -587906035.889070000
1981-01-01 -948643046.944198000
1981-04-01 -756370985.010707000
1981-07-01 -718893497.925934100
1981-10-01 -497822924.901186000
1982-01-01 -839486537.884096000
1982-04-01 -375587509.077704970
1982-07-01 -240462817.551963000
1982-10-01 -179686965.908069000
1983-01-01 -471069391.851818000
1983-04-01 -62867619.007248600
1983-07-01 11700285.895806700
1983-10-01 -42126376.811594200
1984-01-01 -308234779.965038000
1984-04-01 186647810.838330000
1984-07-01 38733549.158983700
1984-10-01 54155249.593054700
1985-01-01 -56252033.817195700
1985-04-01 148870297.130108000
1985-07-01 178496010.492950000
1985-10-01 73678174.650579200
1986-01-01 116716129.032258000
1986-04-01 257176481.197583020
1986-07-01 352775865.192970000
1986-10-01 296487844.628547970
1987-01-01 151546436.703648000
1987-04-01 731236660.079052000
1987-07-01 661594689.232565000
1987-10-01 806181449.937682000
1988-01-01 536666842.940243000
1988-04-01 1001591265.280540100
1988-07-01 898695777.213248000
1988-10-01 731098222.356132000
1989-01-01 501192263.279446000
1989-04-01 944050930.189722000
1989-07-01 1000239944.521500000
1989-10-01 813639593.167550900
1990-01-01 820929636.411196000
1990-04-01 1002130955.549640000
1990-07-01 579374473.580774000
1990-10-01 662948018.039402000
1991-01-01 522258101.918951900
1991-04-01 859667367.126237000
1991-07-01 890035796.471491000
1991-10-01 1195765632.693250000
1992-01-01 1227050719.069050000
1992-04-01 1763404043.752070000
1992-07-01 1565947432.024170000
1992-10-01 1488126734.243160000
1993-01-01 1421855921.855919800
1993-04-01 2091470765.521400200
1993-07-01 1540010349.531920000
1993-10-01 2173561915.556820000
1994-01-01 1516544642.008180100
1994-04-01 2019867226.398520000
1994-07-01 2211934366.082350300
1994-10-01 2547573219.580710000
1995-01-01 2511125610.805720000
1995-04-01 3020664954.803789600
1995-07-01 3067672454.623470000
1995-10-01 3333775455.196370000
1996-01-01 3239240665.299040000
1996-04-01 3446107705.673020000
1996-07-01 3455112678.274850000
1996-10-01 3775416998.083560000
1997-01-01 3596093488.426419700
1997-04-01 3793972694.063930000
1997-07-01 4434835799.351480000
1997-10-01 4532662820.696771000
1998-01-01 4077559571.742719700
1998-04-01 5310859166.073770000
1998-07-01 6027849182.727400000
1998-10-01 5773088246.785610000
1999-01-01 5500945491.494790000
1999-04-01 5622439481.928320000
1999-07-01 6781525192.597420000
1999-10-01 6508988914.745900000
2000-01-01 5593839968.161240000
2000-04-01 6455456728.516640000
2000-07-01 6787295264.407130000
2000-10-01 7359603855.867720000
2001-01-01 7789745856.969040000
2001-04-01 8000324788.148280000
2001-07-01 8772796651.802080000
2001-10-01 7704073541.311090000
2002-01-01 8520486498.065210000
2002-04-01 8785445645.966301000
2002-07-01 9313560635.187680000
2002-10-01 9193391198.254130000
2003-01-01 8133336734.823119000
2003-04-01 10010271399.773901000
2003-07-01 10198790317.799700000
2003-10-01 10604408988.728199000
2004-01-01 11484001373.847000000
2004-04-01 10665946904.915201000
2004-07-01 10607458897.009500000
2004-10-01 10151420136.001598000
2005-01-01 10217778837.819000000
2005-04-01 10988688394.729300000
2005-07-01 10751851588.861599000
2005-10-01 9139632241.732521000
2006-01-01 8188124288.879200000
2006-04-01 9517510629.105010000
2006-07-01 9539586456.198570000
2006-10-01 8378313470.002110500
2007-01-01 8621500928.696030000
2007-04-01 11297843151.332500000
2007-07-01 9937600265.088089000
2007-10-01 7737605019.315280000
2008-01-01 9094119197.581991000
2008-04-01 11009697844.473200000
2008-07-01 10747434781.706800000
2008-10-01 10643036133.891499000
2009-01-01 12258709704.127300000
2009-04-01 14080295277.785799000
2009-07-01 14633663957.844900000
2009-10-01 12060064588.800999000
2010-01-01 13442202959.287600000
2010-04-01 11980159138.353600000
2010-07-01 14867898962.208700000
2010-10-01 13988679876.249600000
2011-01-01 13879936466.003300000
2011-04-01 13564800149.537400000
2011-07-01 14427167594.009100000
2011-10-01 12529608254.277500000
2012-01-01 12301820930.912500000
2012-04-01 11000537721.004600000
2012-07-01 13586509810.180100000
2012-10-01 11421320423.747200000
2013-01-01 9744204433.711618000
2013-04-01 10972833626.748300000
2013-07-01 12182537012.074600000
2013-10-01 10421503116.161499000
2014-01-01 8652192706.805350000
2014-04-01 11508143500.045399000
2014-07-01 10316046608.023800000
2014-10-01 8604398328.382010000
2015-01-01 10228041084.216800000
2015-04-01 12708709711.762300000
2015-07-01 11920509156.305000000
2015-10-01 11500267433.813400000
2016-01-01 11100583149.809101000
2016-04-01 12742541011.795600000
2016-07-01 13537760787.108200000
2016-10-01 12358060785.699200000
2017-01-01 13712441197.042000000
2017-04-01 10745150735.490400000
2017-07-01 12863373389.082600000
2017-10-01 11218798556.404200000
2018-01-01 15190893557.684101000
2018-04-01 16590660044.562000000