Quarter	National Currency Units per US Dollar
1960-01-01	0.538201364676835
1960-04-01	0.538201364676835
1960-07-01	0.538201364676835
1960-10-01	0.538201364676835
1961-01-01	0.538201364676835
1961-04-01	0.538201364676835
1961-07-01	0.538201364676835
1961-10-01	0.538201364676835
1962-01-01	0.538201364676835
1962-04-01	0.538201364676835
1962-07-01	0.538201364676835
1962-10-01	0.538201364676835
1963-01-01	0.541552228798370
1963-04-01	0.541557835062586
1963-07-01	0.541552228798370
1963-10-01	0.541534849379302
1964-01-01	0.541330781361862
1964-04-01	0.541341993890293
1964-07-01	0.541505136178961
1964-10-01	0.541296583150149
1965-01-01	0.541145214016333
1965-04-01	0.541139607752118
1965-07-01	0.541482150495678
1965-10-01	0.541487756759893
1966-01-01	0.541505696805382
1966-04-01	0.541459164812395
1966-07-01	0.541446831031121
1966-10-01	0.541459164812395
1967-01-01	0.541459164812395
1967-04-01	0.541452997921758
1967-07-01	0.541459164812395
1967-10-01	0.682996032446815
1968-01-01	0.707950635722331
1968-04-01	0.707771795893860
1968-07-01	0.707771795893860
1968-10-01	0.707831782920964
1969-01-01	0.707464572614857
1969-04-01	0.707117544859925
1969-07-01	0.707256580212466
1969-10-01	0.707970818273506
1970-01-01	0.708222539536777
1970-04-01	0.708222539536777
1970-07-01	0.708222539536777
1970-10-01	0.708396333727454
1971-01-01	0.708996203998500
1971-04-01	0.708687859466654
1971-07-01	0.707667519379454
1971-10-01	0.706422928723639
1972-01-01	0.697907013380471
1972-04-01	0.697794888096163
1972-07-01	0.700104668952901
1972-10-01	0.704909237385485
1973-01-01	0.679484829168720
1973-04-01	0.643767319852510
1973-07-01	0.613319698898762
1973-10-01	0.632324934588912
1974-01-01	0.656241257731739
1974-04-01	0.621331050462545
1974-07-01	0.629056482551344
1974-10-01	0.625137703864790
1975-01-01	0.590188252746088
1975-04-01	0.596220593041841
1975-07-01	0.633199511806512
1975-10-01	0.648768107532633
1976-01-01	0.645163279642141
1976-04-01	0.651515176998171
1976-07-01	0.652726130068694
1976-10-01	0.644552196842664
1977-01-01	0.640487655286511
1977-04-01	0.683117688380289
1977-07-01	0.684771536323827
1977-10-01	0.696522266119271
1978-01-01	0.685808695203673
1978-04-01	0.713879260130099
1978-07-01	0.693735952804225
1978-10-01	0.669287034560937
1979-01-01	0.667403329784568
1979-04-01	0.670531625216752
1979-07-01	0.644344765066695
1979-10-01	0.632835104632512
1980-01-01	0.631130800311036
1980-04-01	0.624633140085406
1980-07-01	0.611906920316485
1980-10-01	0.634735628201527
1981-01-01	0.673239450832782
1981-04-01	0.722888526724221
1981-07-01	0.765182183965075
1981-10-01	0.734499099914280
1982-01-01	0.755550622043046
1982-04-01	0.773602792816582
1982-07-01	0.800557711164146
1982-10-01	0.908147527721575
1983-01-01	0.904464212132068
1983-04-01	0.919707644533696
1983-07-01	0.953132191785814
1983-10-01	0.966413431712058
1984-01-01	0.971571194790211
1984-04-01	0.968891400495257
1984-07-01	1.029214803452790
1984-10-01	1.068980035532500
1985-01-01	1.139467595512520
1985-04-01	1.079340411802530
1985-07-01	1.011330820605710
1985-10-01	0.938438173277293
1986-01-01	0.885212300816440
1986-04-01	0.862899369239213
1986-07-01	0.836303251801433
1986-10-01	0.826722146257342
1987-01-01	0.767424689651229
1987-04-01	0.739062598985602
1987-07-01	0.749350093820832
1987-10-01	0.701848217123886
1988-01-01	0.683465276761642
1988-04-01	0.683790440086135
1988-07-01	0.743519579036833
1988-10-01	0.705486682599670
1989-01-01	0.719457493024406
1989-04-01	0.726599873634804
1989-07-01	0.729829081822866
1989-10-01	0.708951353884776
1990-01-01	0.671030582731921
1990-04-01	0.665525231272415
1990-07-01	0.630659874116943
1990-10-01	0.604400132532086
1991-01-01	0.620288285318484
1991-04-01	0.686795397705580
1991-07-01	0.709584861741115
1991-10-01	0.703384333518901
1992-01-01	0.742706670725602
1992-04-01	0.739180330534126
1992-07-01	0.701164252889609
1992-10-01	0.834795166727495
1993-01-01	0.968751243889873
1993-04-01	0.933577542202556
1993-07-01	0.975282541700795
1993-10-01	0.971044205953965
1994-01-01	0.942530746154523
1994-04-01	0.914914288629543
1994-07-01	0.857954644201245
1994-10-01	0.798326418006424
1995-01-01	0.771040730070151
1995-04-01	0.722810039025205
1995-07-01	0.724391005533944
1995-10-01	0.719743412499390
1996-01-01	0.762367839328953
1996-04-01	0.793454574403255
1996-07-01	0.762704215181876
1996-10-01	0.770911785993197
1997-01-01	0.829760741462080
1997-04-01	0.865276425266536
1997-07-01	0.906056391169237
1997-10-01	0.888592878138317
1998-01-01	0.926990181749480
1998-04-01	0.915760834526066
1998-07-01	0.902967339586560
1998-10-01	0.850313306075676
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