Quarter	National Currency Units per US Dollar
1960-01-01	0.142969776172757
1960-04-01	0.142789876397881
1960-07-01	0.142689119222673
1960-10-01	0.142629263475025
1961-01-01	0.142933031394340
1961-04-01	0.143078181582386
1961-07-01	0.143041270538003
1961-10-01	0.142482450627321
1962-01-01	0.142501404947410
1962-04-01	0.142387679026879
1962-07-01	0.142494588042817
1962-10-01	0.142920727712879
1963-01-01	0.142920727712879
1963-04-01	0.142920727712879
1963-07-01	0.142957472491296
1963-10-01	0.143042268133798
1964-01-01	0.143091649125607
1964-04-01	0.143058728464401
1964-07-01	0.143530757540993
1964-10-01	0.143686715016810
1965-01-01	0.143297153859199
1965-04-01	0.143271050102586
1965-07-01	0.143389098938226
1965-10-01	0.142893293828540
1966-01-01	0.142894790222231
1966-04-01	0.143238129441380
1966-07-01	0.143434323280893
1966-10-01	0.143354848149294
1967-01-01	0.143360334926161
1967-04-01	0.143198391875580
1967-07-01	0.143457600516090
1967-10-01	0.143598760320960
1968-01-01	0.143084665955048
1968-04-01	0.143015000515424
1968-07-01	0.143096969636509
1968-10-01	0.143079179178181
1969-01-01	0.142592851228539
1969-04-01	0.142500241085650
1969-07-01	0.142417440634737
1969-10-01	0.142338630567000
1970-01-01	0.142145595780835
1970-04-01	0.142470313211826
1970-07-01	0.142926048223781
1970-10-01	0.142872843114760
1971-01-01	0.142445705848904
1971-04-01	0.142459339658091
1971-07-01	0.140821786162016
1971-10-01	0.137145146862728
1972-01-01	0.135923258280876
1972-04-01	0.134679588857520
1972-07-01	0.134073549412582
1972-10-01	0.134244637091277
1973-01-01	0.128202864430057
1973-04-01	0.123268589366294
1973-07-01	0.113904157646738
1973-10-01	0.120928728431148
1974-01-01	0.129503563079645
1974-04-01	0.122568775916707
1974-07-01	0.126690841738078
1974-10-01	0.124902983809020
1975-01-01	0.121210216711060
1975-04-01	0.121765212504531
1975-07-01	0.131113183893483
1975-10-01	0.134202239270026
1976-01-01	0.138292049494053
1976-04-01	0.150825177987716
1976-07-01	0.155720713081474
1976-10-01	0.156618383030230
1977-01-01	0.172220282452623
1977-04-01	0.192817809080117
1977-07-01	0.195859811188369
1977-10-01	0.201926690010408
1978-01-01	0.201465800753517
1978-04-01	0.219759379894454
1978-07-01	0.226514599814447
1978-10-01	0.228642804175271
1979-01-01	0.236046793893384
1979-04-01	0.245624711112885
1979-07-01	0.244573577677797
1979-10-01	0.249365695340895
1980-01-01	0.245886580008845
1980-04-01	0.246880684217702
1980-07-01	0.246391197214712
1980-10-01	0.258310139231120
1981-01-01	0.277101684939296
1981-04-01	0.302067849815278
1981-07-01	0.326427310182460
1981-10-01	0.322045536922683
1982-01-01	0.340482437326044
1982-04-01	0.365592255996382
1982-07-01	0.427275266607476
1982-10-01	0.450652760181296
1983-01-01	0.460286043967372
1983-04-01	0.504288331787060
1983-07-01	0.608175796330843
1983-10-01	0.637629479620780
1984-01-01	0.664970587550670
1984-04-01	0.689806566175517
1984-07-01	0.756408721647496
1984-10-01	0.809313720600021
1985-01-01	0.884682581644902
1985-04-01	0.864311342996711
1985-07-01	0.837659074962673
1985-10-01	0.803717873258780
1986-01-01	0.758808937128188
1986-04-01	0.732388277584355
1986-07-01	0.727818291251417
1986-10-01	0.737338347914859
1987-01-01	0.705237710451146
1987-04-01	0.698755000448918
1987-07-01	0.718406806263571
1987-10-01	0.686703876989788
1988-01-01	0.684381141449108
1988-04-01	0.695500344170549
1988-07-01	0.760947616244850
1988-10-01	0.731171376981475
1989-01-01	0.755789547191269
1989-04-01	0.798172238239177
1989-07-01	0.801722681670507
1989-10-01	0.778752705978592
1990-01-01	0.741916481280115
1990-04-01	0.737161607193331
1990-07-01	0.700255051991368
1990-10-01	0.660063081307383
1991-01-01	0.672026748868560
1991-04-01	0.754164463642621
1991-07-01	0.747208394436076
1991-10-01	0.706734935472179
1992-01-01	0.695052091127050
1992-04-01	0.675394299737632
1992-07-01	0.629306870442234
1992-10-01	0.689648114710215
1993-01-01	0.743239293303139
1993-04-01	0.758849672289782
1993-07-01	0.841981491272700
1993-10-01	0.861302427815631
1994-01-01	0.873625894926560
1994-04-01	0.854701170179866
1994-07-01	0.796988092031537
1994-10-01	0.787413832663281
1995-01-01	0.766928701828593
1995-04-01	0.733934218533335
1995-07-01	0.744958483388368
1995-10-01	0.745663949880787
1996-01-01	0.759884677926198
1996-04-01	0.780114091705656
1996-07-01	0.765998610016527
1996-10-01	0.770855737672210
1997-01-01	0.829312856016999
1997-04-01	0.860065575296868
1997-07-01	0.912514839237438
1997-10-01	0.892891464902917
1998-01-01	0.928037429794196
1998-04-01	0.915769828047738
1998-07-01	0.900208830052906
1998-10-01	0.850304432983177
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