Quarter	National Currency Units per US Dollar
1960-01-01	5.17893333333874
1960-04-01	5.16680666666556
1960-07-01	5.16022666666928
1960-10-01	5.16760666666960
1961-01-01	5.16938666666586
1961-04-01	5.16377999999774
1961-07-01	5.16778333333301
1961-10-01	5.16849333333570
1962-01-01	5.15960999999758
1962-04-01	5.14685666666871
1962-07-01	5.14844666666371
1962-10-01	5.16800000000027
1963-01-01	5.18430666666730
1963-04-01	5.18995666666888
1963-07-01	5.18708333333294
1963-10-01	5.19372999999905
1964-01-01	5.17319666667027
1964-04-01	5.13857000000038
1964-07-01	5.13980333332923
1964-10-01	5.15367333333415
1965-01-01	5.13680999999633
1965-04-01	5.15340999999898
1965-07-01	5.16893666666874
1965-10-01	5.17375000000175
1966-01-01	5.16627333333600
1966-04-01	5.15765333333305
1966-07-01	5.16750999999931
1966-10-01	5.26705666666870
1967-01-01	5.16733666666551
1967-04-01	5.15366666666523
1967-07-01	5.15578999999949
1967-10-01	5.17170000000139
1968-01-01	5.16600000000229
1968-04-01	5.16849333333085
1968-07-01	5.16431333333700
1968-10-01	5.17411000000235
1969-01-01	5.17187999999442
1969-04-01	5.17116666667183
1969-07-01	5.17134333333525
1969-10-01	5.16608999999881
1970-01-01	5.18210000000060
1970-04-01	5.19642999999633
1970-07-01	5.18916000000415
1970-10-01	5.17723999999968
1971-01-01	5.16654000000563
1971-04-01	5.16395666666600
1971-07-01	5.12201333333602
1971-10-01	4.98000000000078
1972-01-01	4.80266666667012
1972-04-01	4.76499999999942
1972-07-01	4.73499999999573
1972-10-01	4.74700000000303
1973-01-01	4.57937591185840
1973-04-01	4.37681696117130
1973-07-01	4.11693910032079
1973-10-01	4.34332000492014
1974-01-01	4.67299218812920
1974-04-01	4.34447711519259
1974-07-01	4.42076637727103
1974-10-01	4.29516162798421
1975-01-01	3.97753856075147
1975-04-01	3.93862004920002
1975-07-01	4.29257131050668
1975-10-01	4.39367210795914
1976-01-01	4.38343761429612
1976-04-01	4.42386452494589
1976-07-01	4.40770501078982
1976-10-01	4.21148266076698
1977-01-01	4.22273600433842
1977-04-01	4.37028329254890
1977-07-01	4.55206735990182
1977-10-01	4.77752948141935
1978-01-01	4.63432656923930
1978-04-01	4.62042691551707
1978-07-01	4.46566145041632
1978-10-01	4.34685966348120
1979-01-01	4.35956636269887
1979-04-01	4.37277218174118
1979-07-01	4.21143496497242
1979-10-01	4.20315845072448
1980-01-01	4.22118507112775
1980-04-01	4.24499516487121
1980-07-01	4.15243432699673
1980-10-01	4.29824784662490
1981-01-01	4.55282897078801
1981-04-01	4.87585385265174
1981-07-01	5.29980135648445
1981-10-01	5.51081999854038
1982-01-01	5.73612234350564
1982-04-01	5.90479240208341
1982-07-01	6.15587367577986
1982-10-01	7.33220090207829
1983-01-01	7.40834010491200
1983-04-01	7.53768285961411
1983-07-01	7.80714720805830
1983-10-01	7.91545660533602
1984-01-01	7.96808814211153
1984-04-01	8.00701899146312
1984-07-01	8.41202147079236
1984-10-01	8.70535685732525
1985-01-01	9.26939651776874
1985-04-01	8.93525081684715
1985-07-01	8.39237238210674
1985-10-01	7.81196770055421
1986-01-01	7.40701991888134
1986-04-01	7.19285116006458
1986-07-01	6.96891710541465
1986-10-01	6.92559421880013
1987-01-01	6.50850546201758
1987-04-01	6.30033887055417
1987-07-01	6.43267792712730
1987-10-01	6.11950191186140
1988-01-01	5.98867315079443
1988-04-01	5.95930133744290
1988-07-01	6.41946893692974
1988-10-01	6.14759604893034
1989-01-01	6.31892626436930
1989-04-01	6.54506004693216
1989-07-01	6.53369082964172
1989-10-01	6.38722913609448
1990-01-01	6.14951364715378
1990-04-01	6.08670157557641
1990-07-01	5.83031261435296
1990-10-01	5.60694917843812
1991-01-01	5.68360333442688
1991-04-01	6.22934901740218
1991-07-01	6.32765852985422
1991-10-01	5.94124745094415
1992-01-01	5.88077591404771
1992-04-01	5.82797598002250
1992-07-01	5.34813466475355
1992-10-01	6.23521214542967
1993-01-01	7.51251086324886
1993-04-01	7.40396530028672
1993-07-01	8.00984696908430
1993-10-01	8.21543488426814
1994-01-01	8.00938914133155
1994-04-01	7.80418375614537
1994-07-01	7.67618108331218
1994-10-01	7.37306348861210
1995-01-01	7.37434707179902
1995-04-01	7.29622169196921
1995-07-01	7.18302007376366
1995-10-01	6.68088605301232
1996-01-01	6.78111554671504
1996-04-01	6.73239265207260
1996-07-01	6.63449451677143
1996-10-01	6.68031487232574
1997-01-01	7.36716479797980
1997-04-01	7.69826182539683
1997-07-01	7.83317954451346
1997-10-01	7.63986118611747
1998-01-01	8.02381730158731
1998-04-01	7.80546803030303
1998-07-01	7.99627865298952
1998-10-01	7.96274877344878
1999-01-01	7.99392224637681
1999-04-01	8.42167994227994
1999-07-01	8.30553270782807
1999-10-01	8.32823872405993
2000-01-01	8.59993773822412
2000-04-01	8.85323801338590
2000-07-01	9.30132159355327
2000-10-01	9.88787566575285
2001-01-01	9.75472928582823
2001-04-01	10.44405670428250
2001-07-01	10.56575166340880
2001-10-01	10.58896950482750
2002-01-01	10.44607038119380
2002-04-01	9.95964252375256
2002-07-01	9.38221244455024
2002-10-01	9.09624159172085
2003-01-01	8.55393083708222
2003-04-01	8.04793852463677
2003-07-01	8.14163765606001
2003-10-01	7.56938526067584
2004-01-01	7.34946306616864
2004-04-01	7.59095964402645
2004-07-01	7.49042126517572
2004-10-01	6.95313946738499
2005-01-01	6.92766778866065
2005-04-01	7.31984219443450
2005-07-01	7.67908653058045
2005-10-01	7.96888770308412
2006-01-01	7.77200262912963
2006-04-01	7.39745826734397
2006-07-01	7.24306740850963
2006-10-01	7.08070032223172
2007-01-01	7.00754884679840
2007-04-01	6.86882127755970
2007-07-01	6.73850946333377
2007-10-01	6.41604109583328
2008-01-01	6.27440289363100
2008-04-01	5.99063535388518
2008-07-01	6.31794262500784
2008-10-01	7.80543913043478
2009-01-01	8.41408787878788
2009-04-01	7.91143152958153
2009-07-01	7.27851976284585
2009-10-01	7.00637963485790
2010-01-01	7.18774382332643
2010-04-01	7.58069437229437
2010-07-01	7.25477272727273
2010-10-01	6.78555602609950
2011-01-01	6.48147460317460
2011-04-01	6.25738816738817
2011-07-01	6.47576121463078
2011-10-01	6.74212842712843
2012-01-01	6.74664242424242
2012-04-01	6.94453968253968
2012-07-01	6.74056844532279
2012-10-01	6.64398660518226
2013-01-01	6.43279641131815
2013-04-01	6.55404059163059
2013-07-01	6.55205609511262
2013-10-01	6.51312833615660
2014-01-01	6.46594733954451
2014-04-01	6.59864567099567
2014-07-01	6.94602669238974
2014-10-01	7.42890014492754
2015-01-01	8.32276954545454
2015-04-01	8.41710642135642
2015-07-01	8.47929306731915
2015-10-01	8.49813185896229
2016-01-01	8.45358364389234
2016-04-01	8.20936847041847
2016-07-01	8.52178310433528
2016-10-01	9.04107763347763
2017-01-01	8.92444273386034
2017-04-01	8.80615161396574
2017-07-01	8.13874403036576
2017-10-01	8.31878434343434
2018-01-01	8.11090818840580
2018-04-01	8.66681180124224
2018-07-01	8.94733002635046