Quarterly US Dollars, monthly level
1960-01-01 50900000.000000000
1960-04-01 36300000.000000000
1960-07-01 31800000.000000004
1960-10-01 84133333.333333300
1961-01-01 47333333.333333300
1961-04-01 37400000.000000000
1961-07-01 32866666.666666698
1961-10-01 105733333.333333000
1962-01-01 75266666.666666610
1962-04-01 42233333.333333306
1962-07-01 35466666.666666700
1962-10-01 97200000.000000000
1963-01-01 78933333.333333400
1963-04-01 56966666.666666700
1963-07-01 40166666.666666700
1963-10-01 114100000.000000000
1964-01-01 88600000.000000000
1964-04-01 51566666.666666700
1964-07-01 41300000.000000000
1964-10-01 127099999.999999990
1965-01-01 84466666.666666700
1965-04-01 73733333.333333400
1965-07-01 50333333.333333300
1965-10-01 119233333.333333000
1966-01-01 108700000.000000000
1966-04-01 87133333.333333400
1966-07-01 67466666.666666700
1966-10-01 142600000.000000000
1967-01-01 128566666.666667000
1967-04-01 90666666.666666600
1967-07-01 97666666.666666690
1967-10-01 178333333.333333020
1968-01-01 107600000.000000000
1968-04-01 97966666.666666700
1968-07-01 98766666.666666600
1968-10-01 163433333.333333000
1969-01-01 105066666.666667000
1969-04-01 117733333.333333000
1969-07-01 119933333.333333000
1969-10-01 210900000.000000000
1970-01-01 138866666.666666980
1970-04-01 138700000.000000000
1970-07-01 151266666.666666980
1970-10-01 213733333.333333000
1971-01-01 128366666.666666980
1971-04-01 135700000.000000000
1971-07-01 149500000.000000000
1971-10-01 249366666.666666980
1972-01-01 195233333.333333020
1972-04-01 194600000.000000000
1972-07-01 184333333.333333000
1972-10-01 296700000.000000000
1973-01-01 280733333.333333000
1973-04-01 259833333.333333020
1973-07-01 322900000.000000000
1973-10-01 591549962.898346100
1974-01-01 408361429.925380000
1974-04-01 552966666.666667100
1974-07-01 446233333.333332960
1974-10-01 623566666.666667100
1975-01-01 514622640.712841030
1975-04-01 524287298.994036000
1975-07-01 557399438.675886000
1975-10-01 700262063.506206000
1976-01-01 501840010.831505000
1976-04-01 595937117.607341000
1976-07-01 580824313.290682900
1976-10-01 882354244.877785000
1977-01-01 594202607.324756000
1977-04-01 643985910.830058900
1977-07-01 624256499.463156000
1977-10-01 895447393.935605000
1978-01-01 700068966.610942000
1978-04-01 758116647.197406000
1978-07-01 795535646.141424100
1978-10-01 1114495974.127539900
1979-01-01 881861974.765140000
1979-04-01 930114926.589384000
1979-07-01 803628300.455400000
1979-10-01 1267835379.640480000
1980-01-01 1160502695.966610000
1980-04-01 1170289315.560870000
1980-07-01 1128934904.950410100
1980-10-01 1691387218.245180000
1981-01-01 733146279.811366100
1981-04-01 1222996994.229570000
1981-07-01 1044472944.660729900
1981-10-01 1250226118.795580100
1982-01-01 1185023499.718520200
1982-04-01 957926927.911822000
1982-07-01 1185480554.749009800
1982-10-01 978624661.377288000
1983-01-01 997731090.279331100
1983-04-01 1026205190.612970100
1983-07-01 918480536.569636000
1983-10-01 1478420699.429700000
1984-01-01 1191813133.795960200
1984-04-01 1291529705.044820000
1984-07-01 1012482899.396600000
1984-10-01 1321631743.229900100
1985-01-01 1113059188.101920100
1985-04-01 1141872456.492480000
1985-07-01 971607467.671201000
1985-10-01 1335844448.187410000
1986-01-01 1057289919.717989900
1986-04-01 1439274051.565880000
1986-07-01 1565046541.582600000
1986-10-01 1604869180.473610000
1987-01-01 1305363001.337990000
1987-04-01 1326196693.711680000
1987-07-01 1638055569.071460000
1987-10-01 2828050415.596600000
1988-01-01 887833782.059478000
1988-04-01 1287636507.813979900
1988-07-01 1273992821.259350000
1988-10-01 1987805913.246290000
1989-01-01 1425309111.816400000
1989-04-01 1667346570.005760000
1989-07-01 1822858220.789530000
1989-10-01 2645230422.139130000
1990-01-01 1951426930.156240000
1990-04-01 1836776111.431049800
1990-07-01 1704456152.683540000
1990-10-01 2542882887.646820000
1991-01-01 1874313469.849110000
1991-04-01 2041567399.390210000
1991-07-01 2236339861.086860000
1991-10-01 2511597627.110279600
1992-01-01 2276221994.526260000
1992-04-01 1928263497.945140100
1992-07-01 2479409366.930870000
1992-10-01 3139855982.049500000
1993-01-01 2413894622.663910400
1993-04-01 3149184741.634710000
1993-07-01 2487704786.159199700
1993-10-01 2676044734.943980000
1994-01-01 2424279544.056939600
1994-04-01 2533531946.088650000
1994-07-01 2621195492.133510000
1994-10-01 3565181866.355020000
1995-01-01 2912498202.350730400
1995-04-01 3004572465.862220000
1995-07-01 3060515439.075430000
1995-10-01 3445220580.099869700
1996-01-01 3114019257.026980000
1996-04-01 3215977328.493160000
1996-07-01 3237634578.050520000
1996-10-01 3489981721.464230000
1997-01-01 3197873905.160060400
1997-04-01 3249266161.967250000
1997-07-01 2939668336.889880000
1997-10-01 3110891972.942970000
1998-01-01 2845902669.292519600
1998-04-01 2444339085.649790300
1998-07-01 2725412606.714140400
1998-10-01 3206388926.322420000
1999-01-01 2841215729.343360000
1999-04-01 2791888712.969130000
1999-07-01 2736611149.485980000
1999-10-01 3191299156.298730000
2000-01-01 3046504577.656480300
2000-04-01 3175428078.369050000
2000-07-01 2752465757.476220000
2000-10-01 2913208288.008110000
2001-01-01 2856661384.585450000
2001-04-01 3013208747.266220000
2001-07-01 2580761258.268910000
2001-10-01 2971778066.425250000
2002-01-01 2624875718.128410000
2002-04-01 2903228278.402760000
2002-07-01 2839910031.804790000
2002-10-01 3084792476.381920000
2003-01-01 3394612776.462030400
2003-04-01 3583628952.521300300
2003-07-01 3409810243.766319800
2003-10-01 3780685634.116940000
2004-01-01 3734343885.588520000
2004-04-01 4101415089.782580000
2004-07-01 3977555905.053330000
2004-10-01 4834859301.605760000
2005-01-01 4365764111.612030000
2005-04-01 4595993361.127630000
2005-07-01 4540290712.211881000
2005-10-01 4933978193.668430000
2006-01-01 4852020202.894670500
2006-04-01 5657338718.550910000
2006-07-01 5414428740.555530000
2006-10-01 5619777256.235069000
2007-01-01 5810200420.418270000
2007-04-01 6170148281.974669000
2007-07-01 6827697751.862240000
2007-10-01 7755038260.850000000
2008-01-01 7113852903.210110000
2008-04-01 8778307801.405249000
2008-07-01 8583064557.418311000
2008-10-01 6776500924.955991000
2009-01-01 5277463928.951730000
2009-04-01 6425429877.774170000
2009-07-01 6671023599.439011000
2009-10-01 6767981403.566260000
2010-01-01 6149716176.346310000
2010-04-01 7037181085.738210000
2010-07-01 6473939431.302629000
2010-10-01 8539366115.070050000
2011-01-01 7302734130.624260000
2011-04-01 9368421791.907750000
2011-07-01 8839394299.065290000
2011-10-01 8451760139.625700000
2012-01-01 8090797963.852139000
2012-04-01 8661680123.109540000
2012-07-01 8612971983.936580000
2012-10-01 10098822172.472599000
2013-01-01 8442545238.154830000
2013-04-01 9338543977.604880000
2013-07-01 9433474658.263640000
2013-10-01 9015829574.036781000
2014-01-01 8722489094.287160000
2014-04-01 9334970413.393309000
2014-07-01 9110770892.234590000
2014-10-01 8839169807.783760000
2015-01-01 7056871553.859380000
2015-04-01 7464007890.496679000
2015-07-01 6967154684.273790000
2015-10-01 7226473850.587830000
2016-01-01 6314017617.626101000
2016-04-01 7099003366.720711000
2016-07-01 7352957257.132210000
2016-10-01 7396927593.421230000
2017-01-01 7365366297.091170000
2017-04-01 8036439876.367350000
2017-07-01 8083385953.356940000
2017-10-01 9145641441.544280000
2018-01-01 9666522650.614279000
2018-04-01 10234693513.910900000