Quarter	US Dollars, monthly level
1960-01-01	-109666543.205805000
1960-04-01	-64061932.332361810
1960-07-01	-56341436.852150306
1960-10-01	-83776576.437045800
1961-01-01	-98972413.610107000
1961-04-01	-76934920.467261800
1961-07-01	-65720649.601816006
1961-10-01	-94427608.890437700
1962-01-01	-111572499.122254000
1962-04-01	-105891380.586748000
1962-07-01	-156615976.565086000
1962-10-01	-87368374.866258800
1963-01-01	-52295648.596663400
1963-04-01	-60261732.930703500
1963-07-01	-57344763.670039300
1963-10-01	-50838840.874434000
1964-01-01	-112292345.983912990
1964-04-01	-199996331.229334980
1964-07-01	-97063585.796981600
1964-10-01	-100211155.783111000
1965-01-01	-161918346.890791980
1965-04-01	-152581311.679175000
1965-07-01	-106468617.726202000
1965-10-01	-81252251.969802900
1966-01-01	-141536179.945686000
1966-04-01	-115593890.739872010
1966-07-01	-127162791.011322990
1966-10-01	-164949986.411129000
1967-01-01	-175395640.316865000
1967-04-01	-164927611.089640000
1967-07-01	-127681405.590704010
1967-10-01	-144802980.609295000
1968-01-01	-137218370.362064000
1968-04-01	-156721336.070829000
1968-07-01	-112098220.408441000
1968-10-01	-191584578.553357000
1969-01-01	-162099359.722951000
1969-04-01	-201570068.837463020
1969-07-01	-211741607.936167000
1969-10-01	-216952115.949393000
1970-01-01	-251167133.521273020
1970-04-01	-310801139.248645000
1970-07-01	-192885069.204433000
1970-10-01	-296288720.309241060
1971-01-01	-305203288.465757000
1971-04-01	-229632920.902435000
1971-07-01	-171802938.212039020
1971-10-01	-223180518.402205020
1972-01-01	-166408777.606609000
1972-04-01	-66507405.638140105
1972-07-01	-213461538.464496020
1972-10-01	-206270866.598913000
1973-01-01	-334995602.968041000
1973-04-01	-433420950.823965970
1973-07-01	-290242371.389840000
1973-10-01	-502144633.300730000
1974-01-01	-738974617.577116000
1974-04-01	-647408176.460642000
1974-07-01	-481521808.450417000
1974-10-01	-344392373.250892000
1975-01-01	-342651272.170177000
1975-04-01	-256766984.607012030
1975-07-01	-414309539.275833000
1975-10-01	-648380891.857527000
1976-01-01	-817203597.752012000
1976-04-01	-222149652.073119000
1976-07-01	-800640207.183722000
1976-10-01	-976304375.261614000
1977-01-01	-864005344.649781000
1977-04-01	-823413300.262817000
1977-07-01	-846112417.488614000
1977-10-01	-668101224.614758000
1978-01-01	-765762137.085929000
1978-04-01	-521012113.743808000
1978-07-01	-695487458.950367000
1978-10-01	-827916894.186538000
1979-01-01	-821806560.876714000
1979-04-01	-835456260.316078000
1979-07-01	-1012922170.068409900
1979-10-01	-1070010077.086559900
1980-01-01	-1109669982.418620000
1980-04-01	-642723151.817674000
1980-07-01	-449126072.482275960
1980-10-01	-379224638.738162000
1981-01-01	-395252519.269652960
1981-04-01	-285938470.017327960
1981-07-01	-273550129.186968000
1981-10-01	-547309584.285642000
1982-01-01	-466065397.920040970
1982-04-01	-353879634.111718000
1982-07-01	-306812716.799810000
1982-10-01	-389289381.943203030
1983-01-01	61090323.616832100
1983-04-01	-73652715.060726400
1983-07-01	-14727553.360280000
1983-10-01	-188657414.766161000
1984-01-01	-184635913.354586000
1984-04-01	-211438538.978458000
1984-07-01	-51976840.778575300
1984-10-01	-182590811.412315000
1985-01-01	-341566940.725459040
1985-04-01	-160533789.517993000
1985-07-01	-124586152.531456990
1985-10-01	-528312145.221843000
1986-01-01	-409951245.305779000
1986-04-01	-463513793.811906000
1986-07-01	-418309319.282956000
1986-10-01	-326471609.151452000
1987-01-01	107222432.145226000
1987-04-01	100645915.866913000
1987-07-01	138938782.948696000
1987-10-01	-179617600.014122000
1988-01-01	574489178.225142000
1988-04-01	69346722.503937600
1988-07-01	267087617.494154000
1988-10-01	382148680.153636040
1989-01-01	375679027.556130000
1989-04-01	267808054.772885000
1989-07-01	291658291.987116040
1989-10-01	633803362.221569000
1990-01-01	862870371.496874900
1990-04-01	766238765.256400000
1990-07-01	1006930677.693110000
1990-10-01	1144703887.988449800
1991-01-01	968166675.252028000
1991-04-01	855302464.762884000
1991-07-01	891627601.951149000
1991-10-01	1111066160.522980000
1992-01-01	1297952008.764780000
1992-04-01	1344011032.420140000
1992-07-01	1681272377.127150000
1992-10-01	1810607610.526540000
1993-01-01	1360651131.602840000
1993-04-01	1851239939.567240000
1993-07-01	1799005431.290760000
1993-10-01	1870101834.041390000
1994-01-01	1441378662.668860000
1994-04-01	1514504924.774140100
1994-07-01	1823945412.419610000
1994-10-01	1743895036.217610000
1995-01-01	1277544750.547210000
1995-04-01	1641778538.663020000
1995-07-01	1683502444.341179800
1995-10-01	1114906737.824499800
1996-01-01	1403376061.576760000
1996-04-01	1649586246.558340000
1996-07-01	1767565875.284250000
1996-10-01	1640061856.409309900
1997-01-01	1120018914.226170000
1997-04-01	1266050976.679760000
1997-07-01	1227989981.925440000
1997-10-01	1108808267.191520000
1998-01-01	309288704.056254000
1998-04-01	411784374.780621000
1998-07-01	1154047729.220650000
1998-10-01	634426169.740996000
1999-01-01	935827620.626028000
1999-04-01	1258185247.719140000
1999-07-01	1571026702.585460000
1999-10-01	2112081905.274980000
2000-01-01	943162315.495736000
2000-04-01	1243098956.294989800
2000-07-01	2008743327.420179800
2000-10-01	1837757575.328270000
2001-01-01	1775367756.141180000
2001-04-01	1427269076.657640000
2001-07-01	1951120233.392340200
2001-10-01	1781477662.928470100
2002-01-01	1473068518.387010000
2002-04-01	1868997649.155510000
2002-07-01	1835575095.350120000
2002-10-01	2233895376.507930300
2003-01-01	1935451138.127850000
2003-04-01	2516120376.133000400
2003-07-01	2590576947.786730000
2003-10-01	2020671991.755730200
2004-01-01	2251945608.766540000
2004-04-01	2024294396.592440100
2004-07-01	1955650273.194630000
2004-10-01	2521858369.224210000
2005-01-01	2513378409.602229600
2005-04-01	2208398275.570140000
2005-07-01	2654093206.181120400
2005-10-01	2186029898.621320200
2006-01-01	1782271600.756960000
2006-04-01	1621592899.386610000
2006-07-01	1986310171.251440000
2006-10-01	1357096662.035790000
2007-01-01	443493202.151280050
2007-04-01	959230823.803207000
2007-07-01	1642004013.345240000
2007-10-01	1542622325.756070100
2008-01-01	1668136881.478780000
2008-04-01	2511488974.484910000
2008-07-01	2508132730.879620000
2008-10-01	640928698.173476900
2009-01-01	1343743519.204320000
2009-04-01	3076885804.494470000
2009-07-01	3965275545.498130000
2009-10-01	3610775379.342760000
2010-01-01	3461249043.673750000
2010-04-01	2806515372.080849600
2010-07-01	3982824437.515450000
2010-10-01	3256420610.566490000
2011-01-01	4706073418.328630000
2011-04-01	4275364997.310240300
2011-07-01	4090389530.472900400
2011-10-01	3638372999.400880300
2012-01-01	3597288298.095510000
2012-04-01	4034843665.477090000
2012-07-01	4048261638.702480300
2012-10-01	3133969585.402189700
2013-01-01	2747750042.411600000
2013-04-01	3700954899.980310000
2013-07-01	3499231391.395030000
2013-10-01	3273941310.299620000
2014-01-01	2929230906.916120000
2014-04-01	3110545711.462790000
2014-07-01	3337876517.793140000
2014-10-01	2301693039.022750000
2015-01-01	2957330208.451960000
2015-04-01	2697902447.936690000
2015-07-01	2330515200.485760000
2015-10-01	1414026432.073490100
2016-01-01	2141721688.456750000
2016-04-01	3456292574.520510000
2016-07-01	3020430914.561259700
2016-10-01	1690930942.792860000
2017-01-01	2791899763.741620000
2017-04-01	2561136869.860240000
2017-07-01	2661604149.184000000
2017-10-01	1273241897.552470000
2018-01-01	1278530093.616940000
2018-04-01	340745212.802819970
2018-07-01	2480386345.239690000