Quarter	National Currency Units per US Dollar
1960-01-01	2.132455274742690
1960-04-01	2.132278026890540
1960-07-01	2.132308704403420
1960-10-01	2.132930776192210
1961-01-01	2.103388331296690
1961-04-01	2.030684330096860
1961-07-01	2.039950643290400
1961-10-01	2.044976642482560
1962-01-01	2.043778515174290
1962-04-01	2.043696708473300
1962-07-01	2.042449156283180
1962-10-01	2.046783207129450
1963-01-01	2.045878220499740
1963-04-01	2.038212250894330
1963-07-01	2.036182422125990
1963-10-01	2.032807895710090
1964-01-01	2.032161963633510
1964-04-01	2.032052888032190
1964-07-01	2.032565884219660
1964-10-01	2.032835164610420
1965-01-01	2.033886721579420
1965-04-01	2.038411654728000
1965-07-01	2.050171367995510
1965-10-01	2.046341791805360
1966-01-01	2.052173927863530
1966-04-01	2.051763190052310
1966-07-01	2.040514768665990
1966-10-01	2.033564607694260
1967-01-01	2.032349437323280
1967-04-01	2.033348160797890
1967-07-01	2.046012860695120
1967-10-01	2.041365217495040
1968-01-01	2.044409108494430
1968-04-01	2.038541182004570
1968-07-01	2.044390361125460
1968-10-01	2.036893117840850
1969-01-01	2.052342654184330
1969-04-01	2.045670295134720
1969-07-01	2.036480675723350
1969-10-01	1.892959340365300
1970-01-01	1.882968697006730
1970-04-01	1.859023193904040
1970-07-01	1.856756466564070
1970-10-01	1.858989107778620
1971-01-01	1.856364476121820
1971-04-01	1.823522494286310
1971-07-01	1.748447803064000
1971-10-01	1.691864834878290
1972-01-01	1.634259282930180
1972-04-01	1.624203875933320
1972-07-01	1.625908182203970
1972-10-01	1.637667895471490
1973-01-01	1.537693289634920
1973-04-01	1.398246950570010
1973-07-01	1.223981634395630
1973-10-01	1.303913598489300
1974-01-01	1.386691754054970
1974-04-01	1.280087396825560
1974-07-01	1.334676326674610
1974-10-01	1.288148765485750
1975-01-01	1.195178858421570
1975-04-01	1.204075337154390
1975-07-01	1.305123655941470
1975-10-01	1.327484154212450
1976-01-01	1.315963043822830
1976-04-01	1.308634526859010
1976-07-01	1.294284268060110
1976-10-01	1.232060046118530
1977-01-01	1.224867873656370
1977-04-01	1.207722552573590
1977-07-01	1.179976446487340
1977-10-01	1.136874540902500
1978-01-01	1.060743179792380
1978-04-01	1.062191840122440
1978-07-01	1.026350279250580
1978-10-01	0.958825664807268
1979-01-01	0.948548697995224
1979-04-01	0.968761770365182
1979-07-01	0.928625357691279
1979-10-01	0.902600600938391
1980-01-01	0.907065883367505
1980-04-01	0.925080400648318
1980-07-01	0.908054381004484
1980-10-01	0.976294804081473
1981-01-01	1.067151371370040
1981-04-01	1.163955967543190
1981-07-01	1.243615242633560
1981-10-01	1.145873278011550
1982-01-01	1.199405537972800
1982-04-01	1.216022524111670
1982-07-01	1.268753760125710
1982-10-01	1.278775080997160
1983-01-01	1.230867031729070
1983-04-01	1.270730755399670
1983-07-01	1.351446700377840
1983-10-01	1.369018098028290
1984-01-01	1.381391361553240
1984-04-01	1.385379438226570
1984-07-01	1.493108637594610
1984-10-01	1.561553577424080
1985-01-01	1.664987924990070
1985-04-01	1.578204649688370
1985-07-01	1.456193363772240
1985-10-01	1.321144134885620
1986-01-01	1.200121346606470
1986-04-01	1.148583124981890
1986-07-01	1.066793467053200
1986-10-01	1.026486623752230
1987-01-01	0.940521415460444
1987-04-01	0.922984103935414
1987-07-01	0.940368027896085
1987-10-01	0.872008303380151
1988-01-01	0.857027451261101
1988-04-01	0.872672982825706
1988-07-01	0.954121779500263
1988-10-01	0.907798735063886
1989-01-01	0.945685463460526
1989-04-01	0.988702153731834
1989-07-01	0.983589234919872
1989-10-01	0.926904008357918
1990-01-01	0.864492312726566
1990-04-01	0.857998905835374
1990-07-01	0.814692483498054
1990-10-01	0.767551372051763
1991-01-01	0.782634482547052
1991-04-01	0.886443777492591
1991-07-01	0.891607825492672
1991-10-01	0.831854847643541
1992-01-01	0.827969029346450
1992-04-01	0.825378483815056
1992-07-01	0.748786960011862
1992-10-01	0.792314942164367
1993-01-01	0.835894053504991
1993-04-01	0.827321392963601
1993-07-01	0.857726216832070
1993-10-01	0.860350848488877
1994-01-01	0.881569461558520
1994-04-01	0.849647805109169
1994-07-01	0.798706090679319
1994-10-01	0.789230147814483
1995-01-01	0.756592682731458
1995-04-01	0.713865724526160
1995-07-01	0.732306318374637
1995-10-01	0.727994423509882
1996-01-01	0.750832127536647
1996-04-01	0.778135113992525
1996-07-01	0.765847065781109
1996-10-01	0.782532224170812
1997-01-01	0.847807154336863
1997-04-01	0.875894121677242
1997-07-01	0.924517979579002
1997-10-01	0.898408007512582
1998-01-01	0.929937673519682
1998-04-01	0.917087204238951
1998-07-01	0.901458715737053
1998-10-01	0.849733020422702
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