Quarter	National Currency Units per US Dollar
1960-01-01	1.891111870138490
1960-04-01	1.891879779752860
1960-07-01	1.885162387447950
1960-10-01	1.890065381326470
1961-01-01	1.894876322948390
1961-04-01	1.896111761129240
1961-07-01	1.883040340690250
1961-10-01	1.879811244425390
1962-01-01	1.880295729986510
1962-04-01	1.878045294555110
1962-07-01	1.877851500330660
1962-10-01	1.878256045774200
1963-01-01	1.878643634223090
1963-04-01	1.878580651100150
1963-07-01	1.877253160662680
1963-10-01	1.878902833998290
1964-01-01	1.878532202544030
1964-04-01	1.878384434447890
1964-07-01	1.877090857999700
1964-10-01	1.877868457325300
1965-01-01	1.878304494330310
1965-04-01	1.877623792116940
1965-07-01	1.876703269550810
1965-10-01	1.878062251549750
1966-01-01	1.879176568340320
1966-04-01	1.878629099656260
1966-07-01	1.877156263550460
1966-10-01	1.879164456201290
1967-01-01	1.879794287430750
1967-04-01	1.878447417570840
1967-07-01	1.876846192791340
1967-10-01	1.878742953763120
1968-01-01	1.880639714734900
1968-04-01	1.879338871003300
1968-07-01	1.877691620095490
1968-10-01	1.878646056650900
1969-01-01	1.879615027773130
1969-04-01	1.880084978767420
1969-07-01	1.879973547088360
1969-10-01	1.880814129536900
1970-01-01	1.879874227548330
1970-04-01	1.881368865504390
1970-07-01	1.879600493206300
1970-10-01	1.878578228672340
1971-01-01	1.879697390318520
1971-04-01	1.825214566542880
1971-07-01	1.789592765661600
1971-10-01	1.747757437458970
1972-01-01	1.687657003602150
1972-04-01	1.677046769813640
1972-07-01	1.670142850567700
1972-10-01	1.684580520289040
1973-01-01	1.589788497828290
1973-04-01	1.455319530339700
1973-07-01	1.285458892611350
1973-10-01	1.365236707533020
1974-01-01	1.453226552715660
1974-04-01	1.327669697123850
1974-07-01	1.346661531119720
1974-10-01	1.306376556712670
1975-01-01	1.207311371602850
1975-04-01	1.212236167331620
1975-07-01	1.309201107533990
1975-10-01	1.335409353962730
1976-01-01	1.333691852648560
1976-04-01	1.331509245195720
1976-07-01	1.306965206669430
1976-10-01	1.242564963457680
1977-01-01	1.236630015333970
1977-04-01	1.220549939560430
1977-07-01	1.191773919657760
1977-10-01	1.154424927751090
1978-01-01	1.084327134340580
1978-04-01	1.088331407503230
1978-07-01	1.053191669755260
1978-10-01	0.997979695210134
1979-01-01	0.987190201764012
1979-04-01	1.013199809112690
1979-07-01	0.962617094104053
1979-10-01	0.923209038562628
1980-01-01	0.924238570380006
1980-04-01	0.939170415373696
1980-07-01	0.914568238580070
1980-10-01	0.983665569306871
1981-01-01	1.074659224968450
1981-04-01	1.167711944264780
1981-07-01	1.242853232366540
1981-10-01	1.143586985748860
1982-01-01	1.196204540114190
1982-04-01	1.216349449745520
1982-07-01	1.268814391159110
1982-10-01	1.277547243398280
1983-01-01	1.230062813553000
1983-04-01	1.271403966483290
1983-07-01	1.351070349725900
1983-10-01	1.370602385122420
1984-01-01	1.383579330876990
1984-04-01	1.384204317250840
1984-07-01	1.489790678013320
1984-10-01	1.558202461671140
1985-01-01	1.662081010830670
1985-04-01	1.576663783977580
1985-07-01	1.454105894009090
1985-10-01	1.320143213931870
1986-01-01	1.198883745267180
1986-04-01	1.145917361297840
1986-07-01	1.066064451114200
1986-10-01	1.027436417326170
1987-01-01	0.940010997822237
1987-04-01	0.922281248713085
1987-07-01	0.940008575394432
1987-10-01	0.873033291425332
1988-01-01	0.855783183021688
1988-04-01	0.871892327928897
1988-07-01	0.953867284870243
1988-10-01	0.906959392842695
1989-01-01	0.945151389625711
1989-04-01	0.988973108628930
1989-07-01	0.984041045616738
1989-10-01	0.927838298099121
1990-01-01	0.865211272041065
1990-04-01	0.857951255907696
1990-07-01	0.814766635417348
1990-10-01	0.767008471230036
1991-01-01	0.782100000000000
1991-04-01	0.886800000000000
1991-07-01	0.891900000000000
1991-10-01	0.831566666666667
1992-01-01	0.828600000000000
1992-04-01	0.825700000000000
1992-07-01	0.748400000000000
1992-10-01	0.792266666666666
1993-01-01	0.836000000000000
1993-04-01	0.827166666666667
1993-07-01	0.858200000000000
1993-10-01	0.860200000000000
1994-01-01	0.881333333333334
1994-04-01	0.849566666666667
1994-07-01	0.799033333333334
1994-10-01	0.789633333333333
1995-01-01	0.756966666666667
1995-04-01	0.713766666666667
1995-07-01	0.732100000000000
1995-10-01	0.728233333333333
1996-01-01	0.750200000000000
1996-04-01	0.777200000000000
1996-07-01	0.765400000000000
1996-10-01	0.782366666666667
1997-01-01	0.847633333333333
1997-04-01	0.876433333333334
1997-07-01	0.923800000000000
1997-10-01	0.897733333333334
1998-01-01	0.929533333333333
1998-04-01	0.916666666666666
1998-07-01	0.901366666666667
1998-10-01	0.849966666666667
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