Quarter	National Currency Units per US Dollar
1960-01-01	1.236664774412760
1960-04-01	1.235987198778380
1960-07-01	1.239059425862070
1960-10-01	1.232854650937000
1961-01-01	1.236542480273870
1961-04-01	1.239756832978430
1961-07-01	1.234427122195810
1961-10-01	1.234201539088260
1962-01-01	1.234160223500800
1962-04-01	1.233976782292470
1962-07-01	1.233281027799610
1962-10-01	1.233505784595400
1963-01-01	1.235186502693360
1963-04-01	1.236397875717760
1963-07-01	1.237117593251350
1963-10-01	1.236336728648310
1964-01-01	1.235165018587880
1964-04-01	1.234713852372800
1964-07-01	1.233015781728100
1964-10-01	1.230464957358180
1965-01-01	1.230464957358180
1965-04-01	1.230424468082470
1965-07-01	1.230626914461030
1965-10-01	1.230933476120000
1966-01-01	1.233116591761510
1966-04-01	1.234899772516380
1966-07-01	1.233980913851220
1966-10-01	1.239467623866200
1967-01-01	1.234926214492350
1967-04-01	1.231075601740870
1967-07-01	1.230423641770720
1967-10-01	1.230648398566510
1968-01-01	1.231239211467220
1968-04-01	1.233855314465330
1968-07-01	1.241313604314010
1968-10-01	1.245156780259740
1969-01-01	1.245030354562110
1969-04-01	1.246052502195920
1969-07-01	1.246322706137930
1969-10-01	1.233942077199000
1970-01-01	1.231503631226980
1970-04-01	1.231075601740870
1970-07-01	1.230525278115880
1970-10-01	1.230647572254760
1971-01-01	1.230484788840160
1971-04-01	1.230914470949770
1971-07-01	1.211540765676990
1971-10-01	1.145466399272180
1972-01-01	1.092144502093460
1972-04-01	1.090781087707210
1972-07-01	1.087765049822470
1972-10-01	1.093722757534520
1973-01-01	1.036346148602250
1973-04-01	0.967517685137213
1973-07-01	0.903945390709116
1973-10-01	0.955688206135034
1974-01-01	1.022426927186240
1974-04-01	0.946387241085542
1974-07-01	0.959275225438503
1974-10-01	0.934875065795073
1975-01-01	0.864958349756280
1975-04-01	0.867587673742374
1975-07-01	0.944563571054960
1975-10-01	0.970664280278335
1976-01-01	0.972478860879675
1976-04-01	0.973492745395998
1976-07-01	0.967782104896971
1976-10-01	0.914719669607510
1977-01-01	0.911259076001676
1977-04-01	0.896737473320460
1977-07-01	0.883131424057406
1977-10-01	0.862937191217628
1978-01-01	0.799781357911150
1978-04-01	0.804748317835856
1978-07-01	0.784419396180952
1978-10-01	0.734523387514595
1979-01-01	0.725545510359057
1979-04-01	0.750466246404511
1979-07-01	0.721513935334495
1979-10-01	0.709080422443619
1980-01-01	0.713493753496332
1980-04-01	0.720744639095949
1980-07-01	0.704942253203404
1980-10-01	0.761435534875727
1981-01-01	0.837899118903782
1981-04-01	0.921711919629614
1981-07-01	0.986517897499333
1981-10-01	0.936329374473743
1982-01-01	1.028672191387020
1982-04-01	1.116008385411630
1982-07-01	1.178689089462290
1982-10-01	1.207928957021050
1983-01-01	1.173617187945430
1983-04-01	1.229840265675750
1983-07-01	1.315811392690610
1983-10-01	1.350674311702970
1984-01-01	1.370654529799690
1984-04-01	1.368781281064160
1984-07-01	1.461828115587790
1984-10-01	1.526278779405340
1985-01-01	1.620369245668270
1985-04-01	1.541931602871270
1985-07-01	1.427020559462630
1985-10-01	1.303422500634190
1986-01-01	1.190494605423740
1986-04-01	1.136401759382980
1986-07-01	1.069300287473860
1986-10-01	1.034683609362770
1987-01-01	0.945148599773425
1987-04-01	0.927869594784981
1987-07-01	0.946362451733065
1987-10-01	0.883553669361269
1988-01-01	0.868920514593905
1988-04-01	0.885099698644105
1988-07-01	0.969809873929616
1988-10-01	0.922379579523003
1989-01-01	0.960682434347466
1989-04-01	1.003833260204740
1989-07-01	0.998068083130267
1989-10-01	0.944187599209054
1990-01-01	0.875221967993641
1990-04-01	0.858137146266269
1990-07-01	0.812642900288135
1990-10-01	0.768047681493178
1991-01-01	0.781967729220945
1991-04-01	0.884539459278118
1991-07-01	0.890297199546851
1991-10-01	0.830572212623234
1992-01-01	0.825699452237942
1992-04-01	0.823723740845499
1992-07-01	0.747319651263389
1992-10-01	0.790794391326371
1993-01-01	0.835011159340174
1993-04-01	0.824659125745643
1993-07-01	0.877150579616376
1993-10-01	0.888944527213338
1994-01-01	0.883094240028690
1994-04-01	0.848285031280031
1994-07-01	0.798249375928051
1994-10-01	0.788241914332956
1995-01-01	0.756633010989120
1995-04-01	0.712084891963870
1995-07-01	0.729839026208130
1995-10-01	0.726310675038857
1996-01-01	0.748325272662219
1996-04-01	0.775881943187762
1996-07-01	0.765262184586476
1996-10-01	0.781976818650187
1997-01-01	0.847992516920799
1997-04-01	0.876089595330347
1997-07-01	0.923813230407942
1997-10-01	0.897813331217975
1998-01-01	0.930468345236354
1998-04-01	0.917663818370067
1998-07-01	0.900678154052604
1998-10-01	0.850367336888126
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