Quarter	US Dollars, monthly level
1960-01-01	1000272595.1735800
1960-04-01	952673807.3803860
1960-07-01	946333990.2010810
1960-10-01	1009383255.2198501
1961-01-01	1070481118.1747800
1961-04-01	1047763433.6527499
1961-07-01	986011043.7442759
1961-10-01	1096659038.0263400
1962-01-01	1112764859.1267800
1962-04-01	1147092520.8126000
1962-07-01	1045219776.9528200
1962-10-01	1229912307.9792400
1963-01-01	1155930080.9066200
1963-04-01	1255127858.7582500
1963-07-01	1234340010.1723000
1963-10-01	1385460475.3441699
1964-01-01	1457059147.8344300
1964-04-01	1509771247.8458800
1964-07-01	1391242084.9791500
1964-10-01	1551261927.6426100
1965-01-01	1519021783.5365900
1965-04-01	1629891689.7685500
1965-07-01	1549033293.5371100
1965-10-01	1806449684.5639799
1966-01-01	1742856977.5313900
1966-04-01	1802680819.6602300
1966-07-01	1745631565.8395900
1966-10-01	1881987893.5585500
1967-01-01	1770520067.8161000
1967-04-01	1846543139.2694500
1967-07-01	1585573614.2320700
1967-10-01	1996204515.2073000
1968-01-01	2043610029.7985802
1968-04-01	1977055620.3357298
1968-07-01	1931019291.2247000
1968-10-01	2255455946.2009100
1969-01-01	2293586773.2467400
1969-04-01	2526500697.2910504
1969-07-01	2390815538.3150296
1969-10-01	2729875324.0393500
1970-01-01	2707436592.8186502
1970-04-01	2885497902.4194098
1970-07-01	2709549877.3193100
1970-10-01	3116153335.7597500
1971-01-01	2965492323.4740400
1971-04-01	3103229003.3714700
1971-07-01	2852355438.9166500
1971-10-01	3419535759.4589100
1972-01-01	3782737968.6608100
1972-04-01	3863820261.2818100
1972-07-01	3559292559.8147497
1972-10-01	4186223836.8841300
1973-01-01	4784899272.2241800
1973-04-01	5400220266.0000910
1973-07-01	5604689195.2151900
1973-10-01	6301423944.1106410
1974-01-01	6658929269.3879595
1974-04-01	8088297798.1794100
1974-07-01	7369142049.7853100
1974-10-01	7756040073.5847800
1975-01-01	7771912703.0210210
1975-04-01	8125300793.7104900
1975-07-01	6894757547.1454900
1975-10-01	7984008275.3413000
1976-01-01	8296506742.7376500
1976-04-01	9016364982.9813790
1976-07-01	8465225554.6716100
1976-10-01	9720901660.1337600
1977-01-01	10158995729.2096000
1977-04-01	10394580020.3508990
1977-07-01	9285344225.5364400
1977-10-01	10577914232.4858000
1978-01-01	11802394862.8137000
1978-04-01	11784061267.4585000
1978-07-01	11219168816.9034000
1978-10-01	13777499404.0729000
1979-01-01	14215425944.4731000
1979-04-01	14836315801.2515980
1979-07-01	14322503319.0312000
1979-10-01	17556272966.7339000
1980-01-01	19872379578.8472020
1980-04-01	18040649244.7176970
1980-07-01	16308685105.9788990
1980-10-01	17613652941.7435000
1981-01-01	16887986320.0209000
1981-04-01	15265927992.7669000
1981-07-01	14293461829.5512000
1981-10-01	15964117707.4059010
1982-01-01	15903586663.4714000
1982-04-01	15315323382.4110000
1982-07-01	12969634519.9753000
1982-10-01	14027438056.7063000
1983-01-01	15188150329.6610000
1983-04-01	13913282170.6179000
1983-07-01	12095007243.8288000
1983-10-01	14116422279.6806010
1984-01-01	15062841516.6435000
1984-04-01	14436992883.4553000
1984-07-01	12280594019.4298000
1984-10-01	13694863186.7713010
1985-01-01	13348285747.8099000
1985-04-01	13355844997.5315000
1985-07-01	13311283155.9387990
1985-10-01	16101681696.5694000
1986-01-01	17068508138.6962000
1986-04-01	17393808326.1782000
1986-07-01	16129434725.8120000
1986-10-01	18044814551.2305000
1987-01-01	20239050859.8254000
1987-04-01	20594529415.9717980
1987-07-01	18931962000.0291980
1987-10-01	23752787314.3810000
1988-01-01	23633088367.1097000
1988-04-01	23894368621.6324000
1988-07-01	20951021819.2272000
1988-10-01	23949285232.9825020
1989-01-01	24603515495.7029000
1989-04-01	25125879130.9674030
1989-07-01	22973704173.2585000
1989-10-01	25885255838.1272000
1990-01-01	29568986955.4424000
1990-04-01	28913502704.4338000
1990-07-01	28426713522.3034020
1990-10-01	33420313459.4360000
1991-01-01	33612727277.9217000
1991-04-01	29295871335.7759970
1991-07-01	27347084041.4376000
1991-10-01	30732046532.0033000
1992-01-01	32623325917.2919000
1992-04-01	30982813167.6990000
1992-07-01	30806000932.1008000
1992-10-01	30715795273.3054000
1993-01-01	29677836896.5150000
1993-04-01	29578106412.5306000
1993-07-01	26239026908.6111000
1993-10-01	29035372429.7828000
1994-01-01	30549822119.9385000
1994-04-01	32260395751.3848000
1994-07-01	31345768116.8436000
1994-10-01	35892342596.1239000
1995-01-01	42255197469.4779000
1995-04-01	44130226578.2097000
1995-07-01	37924741873.5408000
1995-10-01	41536956511.3175000
1996-01-01	44328054735.4748000
1996-04-01	42139972810.3947000
1996-07-01	39451619492.3861000
1996-10-01	42043509335.7885000
1997-01-01	40412810384.6939000
1997-04-01	41110615435.9395000
1997-07-01	36095146582.4736000
1997-10-01	41221638977.9420000
1998-01-01	40801895886.0513000
1998-04-01	42017971600.3014000
1998-07-01	40210092181.8608000
1998-10-01	44786566049.9125000
1999-01-01	41078142162.0049000
1999-04-01	39924142713.2729000
1999-07-01	39157491518.3098000
1999-10-01	44475651974.2291000
2000-01-01	45676952093.3173000
2000-04-01	43938749188.2901000
2000-07-01	41798999792.5672000
2000-10-01	45613566013.4865950
2001-01-01	48636485483.3280000
2001-04-01	44706402433.2844000
2001-07-01	41249025771.9832000
2001-10-01	44224251317.9468000
2002-01-01	45465179915.6502000
2002-04-01	48551210742.6167100
2002-07-01	49336347370.3991000
2002-10-01	54975163249.3957000
2003-01-01	56528971925.2106000
2003-04-01	58706981177.5174000
2003-07-01	55727703459.7225950
2003-10-01	64175479030.7019000
2004-01-01	69575455137.5129100
2004-04-01	69836300711.1389000
2004-07-01	68139474613.0729100
2004-10-01	78149853653.5127000
2005-01-01	82360312874.5527000
2005-04-01	80709911543.8468000
2005-07-01	74638549364.5630000
2005-10-01	80859030946.7822000
2006-01-01	85997871265.4377000
2006-04-01	87080680605.2643100
2006-07-01	86122329102.6619000
2006-10-01	92544822835.5329000
2007-01-01	97415578361.6536000
2007-04-01	99080137011.6670000
2007-07-01	100755809240.7840000
2007-10-01	114843115968.0720000
2008-01-01	118724325155.7609900
2008-04-01	129135900312.1480100
2008-07-01	121771178471.0530100
2008-10-01	97331105058.8039000
2009-01-01	83559058116.2355000
2009-04-01	83309806940.9027100
2009-07-01	88892702998.3254100
2009-10-01	98907015568.9444000
2010-01-01	96200086127.5911100
2010-04-01	93629598078.0206000
2010-07-01	94833902995.2667000
2010-10-01	106619230042.1430000
2011-01-01	117277742185.0800000
2011-04-01	122555752323.5909900
2011-07-01	115015280486.7660000
2011-10-01	112100698531.4340000
2012-01-01	115171272061.9359900
2012-04-01	109619583557.2179900
2012-07-01	102238653279.6530000
2012-10-01	112660950686.6360000
2013-01-01	115976535058.6310000
2013-04-01	111651241006.7310000
2013-07-01	107521221399.7230000
2013-10-01	116354970277.5259900
2014-01-01	118098065941.9390000
2014-04-01	116328063501.6790000
2014-07-01	112904698516.4770000
2014-10-01	106408074863.5210000
2015-01-01	94866023473.6095000
2015-04-01	96283696603.1402000
2015-07-01	91870818652.8298000
2015-10-01	92594695972.3499900
2016-01-01	93327313818.2085000
2016-04-01	96957910451.6046000
2016-07-01	95144268877.4948900
2016-10-01	93555026219.3569000
2017-01-01	99412838417.1497000
2017-04-01	100415205417.1140000
2017-07-01	100350387004.6500100
2017-10-01	106317298105.8820000
2018-01-01	117764218075.0200000
2018-04-01	112300413195.7210100
