Quarter	US Dollars, monthly level
1960-01-01	1818155275.0030700
1960-04-01	1696304327.8757598
1960-07-01	1554519485.8192200
1960-10-01	1838690275.9513500
1961-01-01	1791406536.9078200
1961-04-01	1834209302.1357899
1961-07-01	1702335184.9740200
1961-10-01	1937925238.1876998
1962-01-01	1900713300.5247700
1962-04-01	1833307487.0020201
1962-07-01	1660415935.4875600
1962-10-01	1925751503.8238300
1963-01-01	1899521706.8373100
1963-04-01	2122140239.4730600
1963-07-01	1894022249.2470700
1963-10-01	2226354963.2337900
1964-01-01	2266997739.3475900
1964-04-01	2290250312.1760902
1964-07-01	2020036727.1985300
1964-10-01	2481411653.3222303
1965-01-01	2403291358.2463503
1965-04-01	2534681703.5652804
1965-07-01	2369402528.2985000
1965-10-01	2835977087.4642000
1966-01-01	2689930229.7115300
1966-04-01	2843070846.2210197
1966-07-01	2536403358.3774400
1966-10-01	2879161849.0290000
1967-01-01	2772713097.6780900
1967-04-01	2923043286.6705400
1967-07-01	2593433269.1348400
1967-10-01	3138257559.0219900
1968-01-01	3226931074.3843100
1968-04-01	2675445419.3376300
1968-07-01	3189253745.7475800
1968-10-01	3589675591.4815903
1969-01-01	3592948290.9657600
1969-04-01	3904750916.7853400
1969-07-01	3313243423.6477504
1969-10-01	4093221113.8794800
1970-01-01	4297302169.0800900
1970-04-01	4728554967.6944490
1970-07-01	4132809245.2044096
1970-10-01	4971476175.8154200
1971-01-01	4955084484.6646900
1971-04-01	5266280045.1393700
1971-07-01	4896560891.3164290
1971-10-01	5820258597.1076510
1972-01-01	6126650111.0965900
1972-04-01	6930704898.4468300
1972-07-01	5932058882.3020000
1972-10-01	7472673267.3267300
1973-01-01	7928089699.9561500
1973-04-01	9381507720.8013610
1973-07-01	8931877333.0361900
1973-10-01	10332983169.4617000
1974-01-01	10537159924.8557000
1974-04-01	12031460428.3594990
1974-07-01	11012017974.7100000
1974-10-01	12875754595.7664010
1975-01-01	13474336930.3902990
1975-04-01	14505610184.0140000
1975-07-01	11615457591.8474000
1975-10-01	13464671967.4417000
1976-01-01	14007237511.2395000
1976-04-01	15045605630.0096990
1976-07-01	12822897910.6506000
1976-10-01	15276185513.2881980
1977-01-01	15711520428.6671000
1977-04-01	16726994938.6172980
1977-07-01	14788003572.4756000
1977-10-01	17908635950.0372000
1978-01-01	18510929057.4871000
1978-04-01	20383237433.5034000
1978-07-01	18249876505.6807000
1978-10-01	22245361576.0950000
1979-01-01	23543998313.0140000
1979-04-01	24887124669.5263020
1979-07-01	23560429525.1290970
1979-10-01	28695589182.2278980
1980-01-01	29332390700.0659000
1980-04-01	30161904234.3576000
1980-07-01	26770608362.2510000
1980-10-01	29732255924.7422030
1981-01-01	27644948660.0866000
1981-04-01	27498277050.3101000
1981-07-01	23602196818.4008980
1981-10-01	27647832420.2232970
1982-01-01	25848114497.9594000
1982-04-01	25585410527.9924000
1982-07-01	20713315054.2849000
1982-10-01	24556559358.6970020
1983-01-01	24221303739.6973000
1983-04-01	24650956278.0569000
1983-07-01	20998015108.6246000
1983-10-01	25039015312.2856980
1984-01-01	24782959425.2920000
1984-04-01	25700888193.3131030
1984-07-01	22011024816.9970000
1984-10-01	24884827080.4110000
1985-01-01	22670903486.8428000
1985-04-01	25140213084.1916000
1985-07-01	23809160100.2522000
1985-10-01	30064284355.7828000
1986-01-01	30274430005.0872000
1986-04-01	31125654206.0434000
1986-07-01	29376337105.5078000
1986-10-01	34026407826.0429000
1987-01-01	34720724348.2661060
1987-04-01	36373674398.5351000
1987-07-01	34089820001.4125980
1987-10-01	43127913989.4690000
1988-01-01	41479745741.2840960
1988-04-01	43170339178.5879000
1988-07-01	36432573008.1026000
1988-10-01	43868145524.9324000
1989-01-01	44559508110.7704000
1989-04-01	44033830552.2639000
1989-07-01	39239896712.8453000
1989-10-01	48566154012.4875000
1990-01-01	52729898249.1414000
1990-04-01	51484173851.4232000
1990-07-01	48716078803.2290040
1990-10-01	59456877639.3546000
1991-01-01	56469199316.6068000
1991-04-01	51507783921.7354050
1991-07-01	47483466054.7982000
1991-10-01	57066890114.2466000
1992-01-01	57792016157.3637000
1992-04-01	58126817009.5038000
1992-07-01	56629571583.1424000
1992-10-01	58596011944.9862000
1993-01-01	54674253479.8810040
1993-04-01	57729529923.7551040
1993-07-01	49986343117.0425000
1993-10-01	57019423656.0104100
1994-01-01	56561525505.7981000
1994-04-01	61289314379.6455000
1994-07-01	60491188483.1933000
1994-10-01	71210175957.0899000
1995-01-01	73865109919.6857000
1995-04-01	79518733286.3767000
1995-07-01	69847399142.7455000
1995-10-01	79504936959.8907000
1996-01-01	79121920142.1233000
1996-04-01	76544820435.8166000
1996-07-01	71898239007.6366100
1996-10-01	80913262760.8859000
1997-01-01	73022835234.0246000
1997-04-01	76390738407.1929000
1997-07-01	69193168548.9726000
1997-10-01	80922364735.4114000
1998-01-01	76833416560.2786000
1998-04-01	79396729600.3369900
1998-07-01	74691357326.6655900
1998-10-01	87624429664.0433000
1999-01-01	80687081818.1008000
1999-04-01	80154080580.4849100
1999-07-01	77296362741.0284000
1999-10-01	87170778304.9562000
2000-01-01	83631066770.0215000
2000-04-01	82897870151.2097000
2000-07-01	75218543541.9548000
2000-10-01	85208480142.3924100
2001-01-01	86758954176.4408900
2001-04-01	80914979249.2596000
2001-07-01	75496042917.5079000
2001-10-01	80388019449.4520000
2002-01-01	76001221240.7311000
2002-04-01	82557108803.4334000
2002-07-01	82767826986.9964000
2002-10-01	90234018523.4480000
2003-01-01	94710115327.8434900
2003-04-01	96553393693.7605900
2003-07-01	91364515031.4418000
2003-10-01	109682811014.6969900
2004-01-01	111400976564.9890000
2004-04-01	112236745909.4050000
2004-07-01	105760360912.4930000
2004-10-01	122708019335.0170000
2005-01-01	116392466762.6800100
2005-04-01	118720246482.2260000
2005-07-01	109432034742.6050000
2005-10-01	118476251716.0289900
2006-01-01	119798982544.1540000
2006-04-01	127627501097.1600000
2006-07-01	116921781381.2820000
2006-10-01	131640250082.6189900
2007-01-01	134328089952.0920000
2007-04-01	139095434185.2190000
2007-07-01	134403293834.2750000
2007-10-01	152060305887.7610000
2008-01-01	162491234798.0350000
2008-04-01	169234935752.1170000
2008-07-01	152540007961.8230000
2008-10-01	131939185195.8299900
2009-01-01	113051113884.0760000
2009-04-01	116955663822.3300000
2009-07-01	121743507308.5419900
2009-10-01	133126013078.9829900
2010-01-01	129624504561.4940000
2010-04-01	127755961637.3700100
2010-07-01	125436185627.5699900
2010-10-01	140903974677.6590000
2011-01-01	147258798942.8870200
2011-04-01	156770982896.6630200
2011-07-01	143857688042.6420000
2011-10-01	148189200381.4510000
2012-01-01	148143005855.9319800
2012-04-01	142077669090.9540000
2012-07-01	133454251240.1579900
2012-10-01	145660282833.8950000
2013-01-01	144722969994.0620000
2013-04-01	145767808905.9040000
2013-07-01	138260688262.8470000
2013-10-01	151734504699.7460000
2014-01-01	150024378307.7070000
2014-04-01	149401410970.7939800
2014-07-01	138459266274.5189800
2014-10-01	142871845045.8030000
2015-01-01	126895163159.6610000
2015-04-01	130160803779.7340100
2015-07-01	120846068133.1270000
2015-10-01	128316371829.6399800
2016-01-01	123671444887.7490100
2016-04-01	131452086502.5190000
2016-07-01	118594779317.3239900
2016-10-01	127583123537.7829900
2017-01-01	124878497008.8840000
2017-04-01	131843240375.6189900
2017-07-01	130950651495.7710100
2017-10-01	147219015233.2289700
2018-01-01	149636740861.9040000
2018-04-01	146309571190.2490000