Quarter	National Currency Units per US Dollar
1960-01-01	0.748386962356780
1960-04-01	0.747531215206688
1960-07-01	0.747152633480548
1960-10-01	0.747739562196912
1961-01-01	0.747213613087443
1961-04-01	0.747189221244685
1961-07-01	0.748671025692233
1961-10-01	0.748523658308904
1962-01-01	0.747177025323306
1962-04-01	0.747116045716411
1962-07-01	0.747116045716411
1962-10-01	0.747128241637790
1963-01-01	0.747116045716411
1963-04-01	0.747116045716411
1963-07-01	0.747128241637790
1963-10-01	0.747189221244685
1964-01-01	0.747189221244685
1964-04-01	0.747164829401927
1964-07-01	0.747152633480548
1964-10-01	0.747140437559169
1965-01-01	0.747201417166064
1965-04-01	0.747262396772959
1965-07-01	0.747201417166064
1965-10-01	0.747323376379854
1966-01-01	0.747274592694338
1966-04-01	0.747201417166064
1966-07-01	0.748390011337125
1966-10-01	0.753740971842158
1967-01-01	0.754461547530301
1967-04-01	0.750728579261547
1967-07-01	0.747751249954900
1967-10-01	0.747604390734962
1968-01-01	0.750512101657070
1968-04-01	0.754596718992251
1968-07-01	0.758226530092674
1968-10-01	0.756899207315927
1969-01-01	0.755272068138613
1969-04-01	0.757573540135507
1969-07-01	0.807736381094086
1969-10-01	0.850294048746081
1970-01-01	0.845736331294074
1970-04-01	0.842336718209679
1970-07-01	0.841625289462571
1970-10-01	0.841777738479809
1971-01-01	0.841178105678675
1971-04-01	0.842072473246468
1971-07-01	0.841051064830977
1971-10-01	0.835944022753524
1972-01-01	0.777591620588951
1972-04-01	0.765598964566275
1972-07-01	0.762905698595081
1972-10-01	0.769867537048922
1973-01-01	0.730124078255130
1973-04-01	0.674957860550819
1973-07-01	0.638461565824183
1973-10-01	0.672396717061230
1974-01-01	0.751990348960882
1974-04-01	0.743336326415705
1974-07-01	0.729392322972390
1974-10-01	0.707937664613178
1975-01-01	0.653147487818053
1975-04-01	0.622728827245282
1975-07-01	0.664200041567765
1975-10-01	0.674256595071526
1976-01-01	0.689486251893544
1976-04-01	0.717023626040528
1976-07-01	0.747889470397196
1976-10-01	0.760629126604335
1977-01-01	0.758687942451512
1977-04-01	0.755008839502183
1977-07-01	0.745358816711055
1977-10-01	0.737182467753222
1978-01-01	0.725113587221926
1978-04-01	0.702103948886894
1978-07-01	0.668666797772822
1978-10-01	0.655413896540983
1979-01-01	0.650647323935360
1979-04-01	0.666969532047578
1979-07-01	0.645489465518827
1979-10-01	0.631342196719196
1980-01-01	0.632531299053647
1980-04-01	0.642171158576960
1980-07-01	0.628227155133644
1980-10-01	0.674149880759460
1981-01-01	0.740866652336459
1981-04-01	0.825826489642868
1981-07-01	0.885484871721774
1981-10-01	0.861677416863199
1982-01-01	0.913911531802644
1982-04-01	0.957151154725081
1982-07-01	1.058265506224750
1982-10-01	1.078287143821930
1983-01-01	1.049972279687030
1983-04-01	1.138783995495640
1983-07-01	1.213514503745420
1983-10-01	1.245162919723900
1984-01-01	1.266190720834850
1984-04-01	1.269559844115800
1984-07-01	1.366187112874780
1984-10-01	1.427339495322610
1985-01-01	1.518437946389780
1985-04-01	1.433742354046580
1985-07-01	1.323984143269550
1985-10-01	1.202339990781920
1986-01-01	1.098801699908170
1986-04-01	1.089410840446350
1986-07-01	1.033253704130000
1986-10-01	1.002555553692290
1987-01-01	0.933897597962468
1987-04-01	0.918591716631832
1987-07-01	0.935310292188868
1987-10-01	0.876297277616266
1988-01-01	0.864197907281524
1988-04-01	0.880952054275916
1988-07-01	0.963315176655380
1988-10-01	0.924105289421918
1989-01-01	0.959529359393985
1989-04-01	0.999186430411343
1989-07-01	0.991853632682224
1989-10-01	0.940026048455412
1990-01-01	0.874483134311141
1990-04-01	0.860523885966102
1990-07-01	0.814575752170747
1990-10-01	0.771336129248310
1991-01-01	0.794152665494842
1991-04-01	0.896019098812880
1991-07-01	0.903595814969579
1991-10-01	0.846000576257285
1992-01-01	0.840116044191921
1992-04-01	0.829307408869789
1992-07-01	0.756142043863648
1992-10-01	0.802511953273360
1993-01-01	0.845507657768218
1993-04-01	0.831777082949035
1993-07-01	0.886054014719461
1993-10-01	0.889519689044658
1994-01-01	0.893961037080174
1994-04-01	0.866906418154442
1994-07-01	0.815912221888528
1994-10-01	0.808843669122620
1995-01-01	0.787734561869147
1995-04-01	0.749601981024163
1995-07-01	0.754490512843576
1995-10-01	0.751553328444802
1996-01-01	0.767662107932888
1996-04-01	0.786352357446194
1996-07-01	0.776560048905645
1996-10-01	0.789020215247849
1997-01-01	0.853038639219746
1997-04-01	0.881114666560969
1997-07-01	0.928124861843078
1997-10-01	0.897294588923766
1998-01-01	0.929349535614886
1998-04-01	0.916863961103141
1998-07-01	0.900836487757582
1998-10-01	0.850375863051999
1999-01-01	0.890865035397459
1999-04-01	0.946297424294416
1999-07-01	0.953590795041067
1999-10-01	0.963498337782132
2000-01-01	1.012899909945490
2000-04-01	1.070799525224050
2000-07-01	1.106582181474620
2000-10-01	1.150102663916010
2001-01-01	1.083835102585110
2001-04-01	1.144416038404250
2001-07-01	1.121785947013650
2001-10-01	1.116487265324860
2002-01-01	1.140732985400200
2002-04-01	1.087412111460310
2002-07-01	1.016582204256970
2002-10-01	0.999533230103932
2003-01-01	0.931511905508824
2003-04-01	0.880365741152534
2003-07-01	0.888370063279689
2003-10-01	0.840405156899637
2004-01-01	0.799904118865737
2004-04-01	0.829705986621947
2004-07-01	0.817877314843600
2004-10-01	0.771960956694930
2005-01-01	0.763091482381730
2005-04-01	0.794589826042209
2005-07-01	0.820007598424589
2005-10-01	0.840788753502769
2006-01-01	0.831325925187165
2006-04-01	0.795617708778127
2006-07-01	0.784593759317170
2006-10-01	0.775251489844097
2007-01-01	0.762709423148500
2007-04-01	0.741796455105816
2007-07-01	0.727338573417244
2007-10-01	0.690097257054422
2008-01-01	0.667464310519917
2008-04-01	0.640181056697950
2008-07-01	0.666884716732543
2008-10-01	0.761399275362319
2009-01-01	0.768604545454546
2009-04-01	0.734309884559885
2009-07-01	0.699093544137022
2009-10-01	0.677193719806763
2010-01-01	0.722664285714286
2010-04-01	0.786976190476190
2010-07-01	0.773787878787879
2010-10-01	0.736745718050066
2011-01-01	0.731408247066943
2011-04-01	0.694783549783550
2011-07-01	0.708233264320221
2011-10-01	0.742209956709957
2012-01-01	0.762537518037518
2012-04-01	0.779816425120773
2012-07-01	0.799138274044796
2012-10-01	0.770532624380451
2013-01-01	0.757865873015873
2013-04-01	0.765691004329004
2013-07-01	0.754941272978230
2013-10-01	0.734692482903570
2014-01-01	0.729664746721877
2014-04-01	0.729257503607504
2014-07-01	0.754988833992094
2014-10-01	0.800869478260870
2015-01-01	0.888312818181818
2015-04-01	0.904120108225108
2015-07-01	0.899525335654683
2015-10-01	0.913848313570487
2016-01-01	0.907330710835059
2016-04-01	0.885569054834055
2016-07-01	0.896160021645022
2016-10-01	0.928066320346321
2017-01-01	0.938476221343874
2017-04-01	0.909275285243742
2017-07-01	0.851432953761214
2017-10-01	0.849244235209235
2018-01-01	0.813750682476943
2018-04-01	0.839484382332643
2018-07-01	0.859573256916996