Quarter	National Currency Units per US Dollar
1960-01-01	0.895442889993622
1960-04-01	0.894481916659667
1960-07-01	0.893096706660193
1960-10-01	0.892964166656990
1961-01-01	0.896005399996284
1961-04-01	0.898339386656517
1961-07-01	0.896176429992920
1961-10-01	0.892167539993655
1962-01-01	0.889943999999863
1962-04-01	0.891266333333382
1962-07-01	0.893655333333299
1962-10-01	0.893921333333006
1963-01-01	0.890587999999601
1963-04-01	0.884453999999096
1963-07-01	0.891922333332938
1963-10-01	0.895522666666390
1964-01-01	0.895254999999452
1964-04-01	0.888856666665864
1964-07-01	0.899497333333178
1964-10-01	0.898179333332640
1965-01-01	0.896592999999484
1965-04-01	0.893260999999256
1965-07-01	0.889125333332534
1965-10-01	0.893654999999853
1966-01-01	0.895846763330458
1966-04-01	0.899038276656332
1966-07-01	0.899955006656455
1966-10-01	0.899334533326813
1967-01-01	0.898392409993904
1967-04-01	0.897801699990547
1967-07-01	0.901117656660063
1967-10-01	0.898188166659869
1968-01-01	0.894190856656981
1968-04-01	0.899477643326463
1968-07-01	0.900360513329967
1968-10-01	0.901470276663531
1969-01-01	0.900171749989264
1969-04-01	0.900253236659409
1969-07-01	0.901470619993536
1969-10-01	0.898447213330049
1970-01-01	0.895042283330137
1970-04-01	0.895470856660419
1970-07-01	0.900955769996774
1970-10-01	0.900360483326949
1971-01-01	0.891217956663240
1971-04-01	0.889600593329912
1971-07-01	0.881459916659878
1971-10-01	0.859317393326516
1972-01-01	0.839630559990837
1972-04-01	0.839630559990837
1972-07-01	0.839607063323759
1972-10-01	0.835923033326253
1973-01-01	0.741027103586316
1973-04-01	0.703340925044895
1973-07-01	0.693413974425224
1973-10-01	0.670221968871062
1974-01-01	0.670351806488672
1974-04-01	0.670098137164461
1974-07-01	0.675369016954700
1974-10-01	0.756429773280040
1975-01-01	0.738187828197242
1975-04-01	0.740442167284857
1975-07-01	0.771535611994421
1975-10-01	0.788457927064619
1976-01-01	0.791978915024413
1976-04-01	0.806367413048104
1976-07-01	0.803476828517336
1976-10-01	0.861657810054869
1977-01-01	0.913270225055011
1977-04-01	0.902681382445546
1977-07-01	0.899016526475777
1977-10-01	0.886502571870809
1978-01-01	0.877068469229308
1978-04-01	0.879080597108061
1978-07-01	0.867073897292776
1978-10-01	0.867037423546352
1979-01-01	0.883759580958973
1979-04-01	0.901628494090676
1979-07-01	0.886668774037325
1979-10-01	0.906398996891397
1980-01-01	0.907375907288186
1980-04-01	0.888953971484351
1980-07-01	0.859524410501775
1980-10-01	0.852611421104421
1981-01-01	0.855162699071188
1981-04-01	0.872189599039063
1981-07-01	0.874662118642705
1981-10-01	0.875925759113196
1982-01-01	0.920211724969924
1982-04-01	0.954923463947157
1982-07-01	1.018369187438300
1982-10-01	1.050672574657380
1983-01-01	1.059172720962350
1983-04-01	1.140508871229870
1983-07-01	1.136719543283640
1983-10-01	1.099972933391380
1984-01-01	1.076251274375820
1984-04-01	1.107489033436880
1984-07-01	1.195796122873460
1984-10-01	1.183232977856760
1985-01-01	1.337806600078310
1985-04-01	1.499339855869780
1985-07-01	1.432311746536980
1985-10-01	1.457508407764550
1986-01-01	1.423431361852840
1986-04-01	1.403911109180500
1986-07-01	1.611718562078770
1986-10-01	1.544924411241390
1987-01-01	1.490241389953350
1987-04-01	1.398438032287540
1987-07-01	1.402188334076710
1987-10-01	1.424388906716610
1988-01-01	1.391804339661110
1988-04-01	1.287449207140770
1988-07-01	1.251259243668930
1988-10-01	1.191932213401040
1989-01-01	1.181956180527020
1989-04-01	1.287156241912300
1989-07-01	1.310190221278560
1989-10-01	1.280067025161580
1990-01-01	1.307109807666980
1990-04-01	1.301704234495480
1990-07-01	1.237679172049760
1990-10-01	1.280820892948470
1991-01-01	1.285308791832490
1991-04-01	1.297062418316350
1991-07-01	1.276895050362590
1991-10-01	1.276869901802890
1992-01-01	1.328546935925140
1992-04-01	1.319533189722640
1992-07-01	1.368550794465200
1992-10-01	1.432515881364310
1993-01-01	1.455833412110330
1993-04-01	1.439376139394250
1993-07-01	1.495669690045440
1993-10-01	1.501273159684900
1994-01-01	1.413562332070060
1994-04-01	1.380471514391170
1994-07-01	1.358188614999940
1994-10-01	1.324061906526960
1995-01-01	1.337749307919900
1995-04-01	1.375145308613970
1995-07-01	1.348780725868590
1995-10-01	1.336529123636890
1996-01-01	1.321921257719850
1996-04-01	1.262422191804280
1996-07-01	1.266478851640760
1996-10-01	1.256774672187720
1997-01-01	1.285192669552670
1997-04-01	1.300712077922080
1997-07-01	1.360602705314010
1997-10-01	1.445628257055680
1998-01-01	1.500434213564210
1998-04-01	1.592121818181820
1998-07-01	1.672755687307860
1998-10-01	1.603848701298700
1999-01-01	1.574920491990850
1999-04-01	1.532411457431460
1999-07-01	1.537037878787880
1999-10-01	1.554274603174600
2000-01-01	1.585530976535540
2000-04-01	1.697455362318840
2000-07-01	1.744324734299520
2000-10-01	1.878756666666670
2001-01-01	1.887271818181820
2001-04-01	1.950215037957210
2001-07-01	1.950392187088270
2001-10-01	1.953618569755520
2002-01-01	1.929736529581530
2002-04-01	1.814982747035570
2002-07-01	1.827580334399900
2002-10-01	1.792887461407140
2003-01-01	1.686393802308800
2003-04-01	1.563283512763220
2003-07-01	1.519331397829220
2003-10-01	1.397130759144240
2004-01-01	1.305445914423740
2004-04-01	1.399923088023090
2004-07-01	1.409750000000000
2004-10-01	1.321853196561890
2005-01-01	1.287029496204280
2005-04-01	1.301373232323230
2005-07-01	1.317166283957590
2005-10-01	1.345586724386720
2006-01-01	1.352725428195000
2006-04-01	1.339419960474310
2006-07-01	1.321555555555550
2006-10-01	1.297932900432900
2007-01-01	1.271752766798420
2007-04-01	1.203173913043480
2007-07-01	1.180583530961790
2007-10-01	1.125221014492750
2008-01-01	1.104856867423640
2008-04-01	1.060331168831170
2008-07-01	1.132052732291860
2008-10-01	1.492761594202900
2009-01-01	1.510490909090910
2009-04-01	1.316957215007210
2009-07-01	1.200491875274480
2009-10-01	1.100695463956330
2010-01-01	1.107059420289860
2010-04-01	1.134735930735930
2010-07-01	1.106151515151520
2010-10-01	1.012755724951380
2011-01-01	0.994563285024154
2011-04-01	0.941374458874459
2011-07-01	0.953100978731413
2011-10-01	0.987714285714286
2012-01-01	0.947756854256854
2012-04-01	0.990590062111800
2012-07-01	0.962702569169961
2012-10-01	0.962810747223791
2013-01-01	0.963294927536232
2013-04-01	1.011780202092350
2013-07-01	1.091683050348200
2013-10-01	1.078863426877470
2014-01-01	1.115496505900620
2014-04-01	1.071731935064930
2014-07-01	1.081257087113370
2014-10-01	1.169290843478260
2015-01-01	1.271163301515150
2015-04-01	1.284856803751810
2015-07-01	1.378818662086710
2015-10-01	1.388682368373180
2016-01-01	1.387553984126980
2016-04-01	1.340851953102450
2016-07-01	1.319057391806260
2016-10-01	1.333886057720060
2017-01-01	1.319716621146250
2017-04-01	1.331626526877470
2017-07-01	1.267047459627330
2017-10-01	1.301142312409810
2018-01-01	1.272276110737810
2018-04-01	1.320838311939270
2018-07-01	1.367833542687750