Quarter	US Dollars, monthly level
1960-01-01	968189398.9608500
1960-04-01	960697638.9702280
1960-07-01	860283319.9733781
1960-10-01	963138665.8284171
1961-01-01	922176336.1533220
1961-04-01	1007764854.8672000
1961-07-01	959903608.0058900
1961-10-01	1044437466.6499700
1962-01-01	1098704653.3255400
1962-04-01	1094850186.3254201
1962-07-01	1027126731.8944600
1962-10-01	1125413237.6732100
1963-01-01	1091770976.9544000
1963-04-01	1241073725.9278798
1963-07-01	1194264325.1605000
1963-10-01	1323342763.8214100
1964-01-01	1370758359.1841800
1964-04-01	1405390139.6489298
1964-07-01	1310823272.0722299
1964-10-01	1525077143.6534002
1965-01-01	1583501499.2226899
1965-04-01	1557362516.9234700
1965-07-01	1540991377.8343000
1965-10-01	1752063541.5044400
1966-01-01	1654477542.9299700
1966-04-01	1752458393.3322299
1966-07-01	1627203085.6591800
1966-10-01	1812000000.0000000
1967-01-01	1792567969.0385602
1967-04-01	1792133941.5401900
1967-07-01	1519084251.4212000
1967-10-01	1972031662.6234500
1968-01-01	2007325967.9928500
1968-04-01	1999051706.1253402
1968-07-01	1907159603.6303300
1968-10-01	2241710548.5820100
1969-01-01	2329545002.0308900
1969-04-01	2448989335.9876800
1969-07-01	2364920413.4997400
1969-10-01	2838654722.7540402
1970-01-01	2747654596.6684600
1970-04-01	2988232324.9951000
1970-07-01	2679330476.2761700
1970-10-01	3178619053.1824500
1971-01-01	2888937090.0707700
1971-04-01	3097373945.1374097
1971-07-01	2966847019.1371900
1971-10-01	3417157202.2160700
1972-01-01	3776925346.7099400
1972-04-01	4020271805.8270097
1972-07-01	3614375460.5328100
1972-10-01	4621417023.0126500
1973-01-01	4755286907.8914310
1973-04-01	5485584860.0249195
1973-07-01	5698604691.9791710
1973-10-01	6463935201.5570200
1974-01-01	6134136347.5461010
1974-04-01	7640692735.1863900
1974-07-01	6881658558.0991500
1974-10-01	7647277712.3220005
1975-01-01	7680770369.8042600
1975-04-01	7537487427.9967100
1975-07-01	6109658929.8649010
1975-10-01	7462362570.7098400
1976-01-01	7611580001.8863310
1976-04-01	8217343254.2410790
1976-07-01	7587044817.8673800
1976-10-01	9458071474.8358400
1977-01-01	9279082483.4535310
1977-04-01	9667084090.0860600
1977-07-01	8564106354.7297200
1977-10-01	10011260873.0623990
1978-01-01	10767719159.0393000
1978-04-01	10879922456.4228000
1978-07-01	10302306326.1217000
1978-10-01	12946076016.0105000
1979-01-01	13283936163.3067990
1979-04-01	13804045751.4325000
1979-07-01	13292883205.4092000
1979-10-01	16064055786.6143000
1980-01-01	17653230924.5971000
1980-04-01	16660494839.1675010
1980-07-01	14438782866.1652000
1980-10-01	15753884753.6645010
1981-01-01	14100271887.3241000
1981-04-01	13845495955.4549000
1981-07-01	12486169057.0501000
1981-10-01	15191374786.7657000
1982-01-01	13408348970.5164000
1982-04-01	13482996320.1268000
1982-07-01	12021485566.2253990
1982-10-01	13536439207.7886000
1983-01-01	13697733167.7354000
1983-04-01	13298574460.6944000
1983-07-01	11364061967.1927010
1983-10-01	13579728640.1049000
1984-01-01	13789428501.4969000
1984-04-01	13480734925.2488000
1984-07-01	11525148380.5325000
1984-10-01	13085640285.4640000
1985-01-01	12073962526.6323000
1985-04-01	13048571815.9462000
1985-07-01	12764508597.6875000
1985-10-01	15824135696.8882000
1986-01-01	16367314415.6481000
1986-04-01	17123146727.5516990
1986-07-01	15910758664.1774000
1986-10-01	19478481772.8569000
1987-01-01	19565900459.5145000
1987-04-01	21278505305.4354970
1987-07-01	18586832098.5606000
1987-10-01	23795350864.2312000
1988-01-01	23011416317.5838000
1988-04-01	23968743727.5065000
1988-07-01	20344034606.2449000
1988-10-01	24832901982.6008000
1989-01-01	25153640715.1121000
1989-04-01	25613333816.2517000
1989-07-01	22805642049.2789000
1989-10-01	26596000710.6269000
1990-01-01	29212861514.1178000
1990-04-01	28246101404.4092000
1990-07-01	27844605463.5785000
1990-10-01	32995549167.3381960
1991-01-01	33050585680.5464970
1991-04-01	29033521818.0476000
1991-07-01	25697033231.7031000
1991-10-01	30500331291.8592000
1992-01-01	31005889364.0187000
1992-04-01	31233370917.7143000
1992-07-01	30230034365.1731000
1992-10-01	30966747717.1252020
1993-01-01	31796856488.6970000
1993-04-01	33264095604.5892030
1993-07-01	28980406090.7280000
1993-10-01	31957089706.2088000
1994-01-01	33548605185.1471020
1994-04-01	36048284329.4512000
1994-07-01	33999863724.8495980
1994-10-01	39914802077.7669000
1995-01-01	46179587055.4509050
1995-04-01	48158583880.9510000
1995-07-01	41287186513.6558000
1995-10-01	44834808463.0008000
1996-01-01	46450388981.7043000
1996-04-01	45347105070.4495000
1996-07-01	42547509410.2478940
1996-10-01	45139445515.6993000
1997-01-01	43628922734.2974900
1997-04-01	44337930968.5251000
1997-07-01	40319838224.8237000
1997-10-01	43686141245.8549000
1998-01-01	44103596011.7224040
1998-04-01	45903520610.4341000
1998-07-01	43168583389.1438000
1998-10-01	47298383010.7899000
1999-01-01	44851013803.8738900
1999-04-01	43647693568.2215000
1999-07-01	43555370097.9374000
1999-10-01	47013366005.6637950
2000-01-01	48761580009.0830000
2000-04-01	47255811015.9906000
2000-07-01	44580692537.6843000
2000-10-01	47499150914.0522000
2001-01-01	51062841448.8484040
2001-04-01	47028613890.3172000
2001-07-01	44812025087.1606000
2001-10-01	47563551908.9854050
2002-01-01	49520791213.1881940
2002-04-01	53278144862.8500000
2002-07-01	54534596186.9566960
2002-10-01	58724310740.4210000
2003-01-01	60853113808.6061000
2003-04-01	64592131817.3460000
2003-07-01	61469315837.1409000
2003-10-01	68790629763.9533100
2004-01-01	75390660677.5732000
2004-04-01	75184705191.7486100
2004-07-01	72552324074.8488000
2004-10-01	83775739484.1374000
2005-01-01	84899126114.9885100
2005-04-01	86218068435.6772000
2005-07-01	79491702424.7484000
2005-10-01	83625286027.0549000
2006-01-01	87677645784.4616100
2006-04-01	92331026810.3720000
2006-07-01	90659018320.3913000
2006-10-01	96236899867.1691000
2007-01-01	103735967589.5800000
2007-04-01	104372971139.3080100
2007-07-01	106944004955.6920000
2007-10-01	116100012253.3190000
2008-01-01	121984349899.6650100
2008-04-01	132634665008.6250000
2008-07-01	121949563334.5220000
2008-10-01	96071013418.2774000
2009-01-01	84669678815.7996000
2009-04-01	88761572423.9710100
2009-07-01	94516964938.5992000
2009-10-01	102856535674.7190000
2010-01-01	101915511055.3210000
2010-04-01	98642882643.0279100
2010-07-01	99455292735.4612000
2010-10-01	107625192868.2560000
2011-01-01	119084519964.4410000
2011-04-01	125541400666.6870000
2011-07-01	117671682761.1740000
2011-10-01	113250703847.4660000
2012-01-01	117492186129.5120100
2012-04-01	112814371646.9870000
2012-07-01	105030008855.8830000
2012-10-01	111076672540.3970000
2013-01-01	115490356692.9269900
2013-04-01	116134575823.9980000
2013-07-01	116507340568.3790100
2013-10-01	120526753792.3380000
2014-01-01	121697533557.6230000
2014-04-01	122773916698.9610000
2014-07-01	116820403202.0470000
2014-10-01	110826298678.2080100
2015-01-01	99413740511.7628000
2015-04-01	102245928565.2600000
2015-07-01	97619151478.4744000
2015-10-01	97597488199.6876000
2016-01-01	98736876124.8574000
2016-04-01	102892484219.7370000
2016-07-01	98011513433.4702000
2016-10-01	98365276272.4264000
2017-01-01	103256958243.6899900
2017-04-01	105986604457.3799900
2017-07-01	107442517459.4030000
2017-10-01	113354198955.8310000
2018-01-01	122394367396.2100000
2018-04-01	117870090358.3830000
