Quarter	US Dollars, monthly level
1957-01-01	13200088393.195700
1957-04-01	13557465973.787900
1957-07-01	12773575637.369400
1957-10-01	12735544188.517199
1958-01-01	12188787123.613000
1958-04-01	12148712671.509900
1958-07-01	11780589655.420100
1958-10-01	12692269848.588700
1959-01-01	12282212019.785200
1959-04-01	13593987616.971401
1959-07-01	13263705236.262201
1959-10-01	14458194913.338300
1960-01-01	14864909891.136300
1960-04-01	15152964237.830100
1960-07-01	14464233118.456800
1960-10-01	15135585090.190800
1961-01-01	14927615161.228699
1961-04-01	15594691123.437400
1961-07-01	15100902338.542000
1961-10-01	16382005922.033802
1962-01-01	16582481497.939500
1962-04-01	16838831384.300500
1962-07-01	16250283414.962698
1962-10-01	17409970592.482400
1963-01-01	16920928780.116700
1963-04-01	18547765193.726700
1963-07-01	18388501362.044502
1963-10-01	19646192152.896300
1964-01-01	19902962091.472700
1964-04-01	20778285433.599500
1964-07-01	19559028133.202300
1964-10-01	21461849820.727400
1965-01-01	20641398487.488600
1965-04-01	22613206850.658600
1965-07-01	21855879292.083500
1965-10-01	23996943200.582798
1966-01-01	24082604393.628700
1966-04-01	25112908268.213398
1966-07-01	24542587110.479100
1966-10-01	26016676833.142700
1967-01-01	25952119531.552700
1967-04-01	26774682505.276700
1967-07-01	25207471541.534100
1967-10-01	28200709312.284500
1968-01-01	28797358116.098100
1968-04-01	29665916903.630500
1968-07-01	29976586209.675500
1968-10-01	32777472723.190300
1969-01-01	31522261612.518700
1969-04-01	35801812933.934600
1969-07-01	34157038522.748600
1969-10-01	37312821966.109300
1970-01-01	37045301364.920700
1970-04-01	40466682003.832504
1970-07-01	38580867629.850300
1970-10-01	41749138364.239700
1971-01-01	41787561812.661700
1971-04-01	44840889249.239600
1971-07-01	43034835793.128400
1971-10-01	46332497580.631390
1972-01-01	50328447007.511300
1972-04-01	53057738993.102196
1972-07-01	50028652047.933100
1972-10-01	57619042592.737800
1973-01-01	62558452479.072900
1973-04-01	71469013817.767800
1973-07-01	72339860214.905600
1973-10-01	82131802641.577400
1974-01-01	92051803071.912700
1974-04-01	109089990088.530990
1974-07-01	106237858316.027010
1974-10-01	110774206462.566000
1975-01-01	103821012175.583000
1975-04-01	104287976524.490000
1975-07-01	98530714738.431200
1975-10-01	108416039648.817000
1976-01-01	111878679874.992000
1976-04-01	120229358670.174000
1976-07-01	120054589911.294000
1976-10-01	131244978749.614010
1977-01-01	133262448664.364000
1977-04-01	139686953996.872000
1977-07-01	132769486707.202990
1977-10-01	144306203806.081000
1978-01-01	147913803125.862000
1978-04-01	159662790126.671020
1978-07-01	155261459459.844000
1978-10-01	177961486069.845000
1979-01-01	181751372082.112000
1979-04-01	198380679712.427000
1979-07-01	206731658931.089000
1979-10-01	236538949849.248020
1980-01-01	249689380944.951020
1980-04-01	252226809048.098000
1980-07-01	238240831699.337000
1980-10-01	250153006364.305020
1981-01-01	241622118230.504000
1981-04-01	242115964982.827000
1981-07-01	227251343859.777000
1981-10-01	246178896795.810000
1982-01-01	234562664478.852020
1982-04-01	229007146369.310000
1982-07-01	214179749804.910000
1982-10-01	215964348624.878000
1983-01-01	217933401885.617000
1983-04-01	222503278907.253000
1983-07-01	215304016756.236000
1983-10-01	235442166482.651000
1984-01-01	248614014013.788000
1984-04-01	255841751420.724000
1984-07-01	241929509272.207000
1984-10-01	252137444840.889980
1985-01-01	240153778461.945000
1985-04-01	254150422206.217000
1985-07-01	248108748423.487000
1985-10-01	280102520279.259950
1986-01-01	275905883075.695000
1986-04-01	284825334063.625000
1986-07-01	275635739824.783000
1986-10-01	295496722671.154000
1987-01-01	305047498826.222960
1987-04-01	327798684202.482000
1987-07-01	323081518795.206000
1987-10-01	368782388337.839000
1988-01-01	366853407189.946000
1988-04-01	380841414823.454000
1988-07-01	357122143666.429000
1988-10-01	401518607252.779970
1989-01-01	393025177113.710000
1989-04-01	405720594536.371000
1989-07-01	384706240771.421000
1989-10-01	422765020974.509030
1990-01-01	435211700218.298950
1990-04-01	438474535125.222960
1990-07-01	443689865876.939000
1990-10-01	509938317075.682000
1991-01-01	475186776726.773000
1991-04-01	451548010366.571960
1991-07-01	440785603566.811950
1991-10-01	482547837080.649000
1992-01-01	473411837629.275000
1992-04-01	482996136847.841000
1992-07-01	490038077123.414000
1992-10-01	491923651352.094000
1993-01-01	452658563122.002000
1993-04-01	477640618682.373000
1993-07-01	456153067146.816000
1993-10-01	481847819775.009000
1994-01-01	479547634971.807000
1994-04-01	518252150325.723000
1994-07-01	534094730304.287960
1994-10-01	584751160088.346900
1995-01-01	593920329277.741000
1995-04-01	633022489944.852900
1995-07-01	606235671791.809900
1995-10-01	641743344828.474000
1996-01-01	633066418391.980100
1996-04-01	640175965216.791000
1996-07-01	632267403597.677000
1996-10-01	673252929356.932000
1997-01-01	643081994593.646000
1997-04-01	667579668840.872100
1997-07-01	651937077153.594000
1997-10-01	691040410782.071900
1998-01-01	660636664794.574000
1998-04-01	672420907732.530000
1998-07-01	656343681001.930000
1998-10-01	709762965514.522000
1999-01-01	679215069581.336000
1999-04-01	700271221845.846900
1999-07-01	716871512331.190100
1999-10-01	781778670739.597000
2000-01-01	784198052609.286000
2000-04-01	804729212230.706000
2000-07-01	805924161442.812000
2000-10-01	848542374369.489000
2001-01-01	813354713479.553000
2001-04-01	783144306127.279000
2001-07-01	742226369479.624000
2001-10-01	749729475174.597000
2002-01-01	709154140173.685900
2002-04-01	778270999871.061000
2002-07-01	797435731738.502000
2002-10-01	841837246720.139000
2003-01-01	851866336151.617100
2003-04-01	884472053146.111000
2003-07-01	866480788369.560900
2003-10-01	962233360103.877000
2004-01-01	981088965815.567000
2004-04-01	1029196762359.070000
2004-07-01	1042002895220.259900
2004-10-01	1146082718343.390100
2005-01-01	1104960137753.839800
2005-04-01	1167263982012.440000
2005-07-01	1161658472883.940000
2005-10-01	1223144544676.350000
2006-01-01	1233614608924.579800
2006-04-01	1318032603827.010000
2006-07-01	1323322745321.080000
2006-10-01	1361420126741.830000
2007-01-01	1352417976587.010000
2007-04-01	1420394041914.240000
2007-07-01	1445520037732.760000
2007-10-01	1566995027227.460000
2008-01-01	1581834634320.550000
2008-04-01	1701704379239.690200
2008-07-01	1683979892973.369900
2008-10-01	1408562417808.980000
2009-01-01	1116462284350.109900
2009-04-01	1127456335220.829800
2009-07-01	1235113534458.530000
2009-10-01	1342393161074.660000
2010-01-01	1326205698337.440000
2010-04-01	1395633551169.800000
2010-07-01	1447800445863.710000
2010-10-01	1541989850284.490000
2011-01-01	1591946962843.930000
2011-04-01	1707641324303.970000
2011-07-01	1706087616500.710000
2011-10-01	1680634159712.430000
2012-01-01	1657798943347.670200
2012-04-01	1661792126850.460000
2012-07-01	1619640456941.940200
2012-10-01	1646067679218.720000
2013-01-01	1598225515334.030000
2013-04-01	1629139941391.490000
2013-07-01	1643289120726.580000
2013-10-01	1680579040936.570000
2014-01-01	1656980248074.890000
2014-04-01	1697919210235.580000
2014-07-01	1679185181224.460000
2014-10-01	1633311321533.620000
2015-01-01	1481817035100.400100
2015-04-01	1508819595009.250000
2015-07-01	1494831107632.180000
2015-10-01	1476187826394.120000
2016-01-01	1401227082225.710200
2016-04-01	1463424281654.690000
2016-07-01	1465266361366.580000
2016-10-01	1480380316775.540000
2017-01-01	1496475015850.450000
2017-04-01	1550600489913.349900
2017-07-01	1579762991603.960000
2017-10-01	1667711345128.530000
2018-01-01	1692433294834.080000