Quarter	US Dollars, monthly level
1960-01-01	1629607347.9913800
1960-04-01	1587504121.2199502
1960-07-01	1473433993.0626400
1960-10-01	1630019266.6442400
1961-01-01	1676418982.3315802
1961-04-01	1769797030.9554300
1961-07-01	1491215566.8138201
1961-10-01	1782466778.6378500
1962-01-01	1959842159.8152301
1962-04-01	1891502542.4628000
1962-07-01	1725732335.3928800
1962-10-01	2081602337.5584600
1963-01-01	2059394869.3672001
1963-04-01	2290889576.3106100
1963-07-01	1986802262.4692900
1963-10-01	2452134561.8659800
1964-01-01	2608095094.3026700
1964-04-01	2685591747.1251200
1964-07-01	2243521730.2591300
1964-10-01	2603796838.1446800
1965-01-01	2565696587.8579600
1965-04-01	2656700097.1087704
1965-07-01	2333820276.9866100
1965-10-01	2858457157.3115300
1966-01-01	2950671182.0147700
1966-04-01	3078721650.4941497
1966-07-01	2716150563.4075400
1966-10-01	3183578119.8909200
1967-01-01	3272617791.1379104
1967-04-01	3138336073.6243700
1967-07-01	2735433353.4038600
1967-10-01	3303674782.7777400
1968-01-01	3451406347.4373200
1968-04-01	3085055446.3486600
1968-07-01	3327924819.6491900
1968-10-01	4099128554.9319205
1969-01-01	4171561444.0905400
1969-04-01	4620296255.6521400
1969-07-01	3896305868.2458400
1969-10-01	4517205541.9660610
1970-01-01	4278555548.8794103
1970-04-01	4688919589.0468800
1970-07-01	4156719256.6160100
1970-10-01	4886538566.0213300
1971-01-01	4744129569.3305900
1971-04-01	5055730225.8778910
1971-07-01	4652403509.1959305
1971-10-01	5474307459.4384300
1972-01-01	6148215919.4876500
1972-04-01	6437275985.6630790
1972-07-01	5631519349.8967600
1972-10-01	6946930693.0693100
1973-01-01	7690894285.1773800
1973-04-01	8834238046.1215300
1973-07-01	8620514004.1865310
1973-10-01	9852553299.2238400
1974-01-01	11424700301.3880000
1974-04-01	13187538881.1791000
1974-07-01	12108684293.0296000
1974-10-01	13044152376.3037000
1975-01-01	13309785188.0091000
1975-04-01	13367252845.8933010
1975-07-01	11332456046.3942000
1975-10-01	13671552926.1031990
1976-01-01	14789728924.9864000
1976-04-01	15403221805.6569000
1976-07-01	14255274333.2767010
1976-10-01	16827674670.3010000
1977-01-01	17055190890.8238000
1977-04-01	17134059336.6358010
1977-07-01	15390347498.2444000
1977-10-01	17683017619.3234020
1978-01-01	19017821476.8769000
1978-04-01	19666702855.2817000
1978-07-01	17998632062.9251020
1978-10-01	22113477596.7808000
1979-01-01	23844844149.0482980
1979-04-01	24627698074.6813000
1979-07-01	24796337699.9622000
1979-10-01	29826142949.1307000
1980-01-01	33743432363.3850980
1980-04-01	32989530825.9014970
1980-07-01	30591375670.3632970
1980-10-01	32994256165.9531000
1981-01-01	31129889638.0485000
1981-04-01	28949431426.6023980
1981-07-01	26064148474.6230000
1981-10-01	31192449002.4591980
1982-01-01	29263870200.0601000
1982-04-01	29239945846.9380000
1982-07-01	24797001723.8647000
1982-10-01	27597375973.7597000
1983-01-01	28128312223.8301000
1983-04-01	25851904077.6802980
1983-07-01	21820740021.1051980
1983-10-01	25143450651.3435000
1984-01-01	26842998755.8695000
1984-04-01	26204864849.7195970
1984-07-01	21955565970.3624000
1984-10-01	25010004201.0524000
1985-01-01	24443641255.7855000
1985-04-01	25238780472.2445000
1985-07-01	24446598066.3461040
1985-10-01	30151898734.1771970
1986-01-01	30814826804.7912000
1986-04-01	31589405826.9817000
1986-07-01	29236614190.6546000
1986-10-01	33034365654.6201020
1987-01-01	36845939960.4959950
1987-04-01	38287519292.7913060
1987-07-01	34755646348.6855000
1987-10-01	43642863770.2673950
1988-01-01	44425712824.0711000
1988-04-01	44892189663.1288100
1988-07-01	38371033085.7529000
1988-10-01	46409332864.0872960
1989-01-01	47137477955.5457000
1989-04-01	47305303951.1358950
1989-07-01	41296725141.4050000
1989-10-01	51565424223.5857000
1990-01-01	55371352862.2150000
1990-04-01	54606413133.3412000
1990-07-01	53250009357.5715000
1990-10-01	63948902753.1639000
1991-01-01	61536482828.7870000
1991-04-01	53980433857.9328000
1991-07-01	50373700904.3056000
1991-10-01	58269182253.9374000
1992-01-01	58618092512.8838000
1992-04-01	57528727574.0363000
1992-07-01	57248502911.9819000
1992-10-01	58136205709.7084960
1993-01-01	55171706100.3696000
1993-04-01	57126483734.7190000
1993-07-01	48493996174.2676000
1993-10-01	54499524402.9569000
1994-01-01	56757059754.7749000
1994-04-01	59820528391.5215000
1994-07-01	59379671857.1758040
1994-10-01	68939032508.5757100
1995-01-01	71793346055.3104000
1995-04-01	75276748765.9309100
1995-07-01	67735510427.2802050
1995-10-01	76052221228.6336000
1996-01-01	77016306248.5932900
1996-04-01	74537577772.8376900
1996-07-01	69089055090.5986000
1996-10-01	76798412548.8668000
1997-01-01	70155087059.9939000
1997-04-01	71517706368.4022000
1997-07-01	65358878415.9261000
1997-10-01	75579080535.1236900
1998-01-01	73736842139.4435900
1998-04-01	75479572691.1715000
1998-07-01	72306573818.0094900
1998-10-01	84268737053.2977000
1999-01-01	78799141520.5566100
1999-04-01	77870337705.8688000
1999-07-01	73580093646.9592000
1999-10-01	85315974897.4966000
2000-01-01	86091132148.1832100
2000-04-01	83912252371.6096000
2000-07-01	79110798515.9689000
2000-10-01	89017444452.6602000
2001-01-01	90202559196.3355000
2001-04-01	83041740775.0713000
2001-07-01	76285498341.1184000
2001-10-01	79301397113.7758000
2002-01-01	77844422083.4439100
2002-04-01	81150742271.4786000
2002-07-01	80998860353.0443000
2002-10-01	88859877115.6059000
2003-01-01	98709420090.3145900
2003-04-01	99072573957.5184000
2003-07-01	92202679250.1358000
2003-10-01	108878675063.7789900
2004-01-01	114095799543.3440000
2004-04-01	115681339592.0860000
2004-07-01	111056876565.1230000
2004-10-01	130220316362.0960100
2005-01-01	127341088511.0500000
2005-04-01	127928267728.1599900
2005-07-01	119620476918.0810000
2005-10-01	128806313772.4209900
2006-01-01	131171658065.9380000
2006-04-01	138696007872.2590000
2006-07-01	129289837951.6590000
2006-10-01	142878151736.6390000
2007-01-01	147652430377.8970000
2007-04-01	156190959396.6350000
2007-07-01	152334970328.1020000
2007-10-01	175392814219.5970000
2008-01-01	185158663994.6829800
2008-04-01	197639087686.5590200
2008-07-01	180237598769.5720000
2008-10-01	153718165734.1410000
2009-01-01	132357531062.7880100
2009-04-01	135168546804.3100100
2009-07-01	137111550813.0230000
2009-10-01	158385550342.3830000
2010-01-01	150167515048.4810000
2010-04-01	148632450912.1710200
2010-07-01	146484848247.5040000
2010-10-01	165731672419.0350000
2011-01-01	180802719316.2020000
2011-04-01	189532840898.4700000
2011-07-01	174815708661.8010300
2011-10-01	174514904885.0830000
2012-01-01	177554148874.4669800
2012-04-01	170734028818.8719800
2012-07-01	157088834407.3520200
2012-10-01	169817468929.6390000
2013-01-01	171493010343.3719800
2013-04-01	169429964916.0520000
2013-07-01	164350002365.7840000
2013-10-01	177100627851.5000000
2014-01-01	175976844950.8810000
2014-04-01	175816360292.1349800
2014-07-01	165161647942.0750000
2014-10-01	161745082708.4780000
2015-01-01	144621013420.6410000
2015-04-01	145574021418.8780000
2015-07-01	137560327758.7970000
2015-10-01	145476331274.9120200
2016-01-01	141977669731.2939800
2016-04-01	146676760316.9470000
2016-07-01	137989529786.2140200
2016-10-01	145027566510.3050000
2017-01-01	151013522534.4940000
2017-04-01	151058323292.2480000
2017-07-01	153479142923.3880000
2017-10-01	168405146682.8780200
2018-01-01	175720897173.0130000
2018-04-01	171460009297.6660200