Month	National Currency Units per US Dollar
1979-01-01	0.736214385624408
1979-02-01	0.739809129245259
1979-03-01	0.739644970415611
1979-04-01	0.747943156320616
1979-05-01	0.756258035242354
1979-06-01	0.747495888776030
1979-07-01	0.720824623367662
1979-08-01	0.723013520349923
1979-09-01	0.715307582260721
1979-10-01	0.718390804593582
1979-11-01	0.714540907467381
1979-12-01	0.699937005667380
1980-01-01	0.692712662788836
1980-02-01	0.699105145415160
1980-03-01	0.736485491237545
1980-04-01	0.742500742500852
1980-05-01	0.713165026389106
1980-06-01	0.702740688688209
1980-07-01	0.694299798651628
1980-08-01	0.706913615154917
1980-09-01	0.706913615154917
1980-10-01	0.721969532885851
1980-11-01	0.748895379312671
1980-12-01	0.769704433501829
1981-01-01	0.774653342625243
1981-02-01	0.828706389329454
1981-03-01	0.829668962083815
1981-04-01	0.848248367123233
1981-05-01	0.901875901874519
1981-06-01	0.938262338153436
1981-07-01	0.966463709284653
1981-08-01	0.994530084535654
1981-09-01	0.945984296655297
1981-10-01	0.921064750855294
1981-11-01	0.910498042430845
1981-12-01	0.918611060074909
1982-01-01	0.937207122779000
1982-02-01	0.968429207820009
1982-03-01	0.984930562395675
1982-04-01	1.048987726841010
1982-05-01	0.968335431396554
1982-06-01	1.016673444493790
1982-07-01	1.043623460660460
1982-08-01	1.048877700857700
1982-09-01	1.062360565178100
1982-10-01	1.072961373385620
1982-11-01	1.092418614818600
1982-12-01	1.047668936618720
1983-01-01	1.042600000000680
1983-02-01	1.059500000003030
1983-03-01	1.065100000007080
1983-04-01	1.079400000002350
1983-05-01	1.088799999997720
1983-06-01	1.120599999994740
1983-07-01	1.137900000001540
1983-08-01	1.173299999994920
1983-09-01	1.173999999999070
1983-10-01	1.155299999998530
1983-11-01	1.185599999997070
1983-12-01	1.216499999994990
1984-01-01	1.243199999997160
1984-02-01	1.204599999997300
1984-03-01	1.162899999995720
1984-04-01	1.182899999999790
1984-05-01	1.227299999998650
1984-06-01	1.225900000004910
1984-07-01	1.273000000001050
1984-08-01	1.288799999994810
1984-09-01	1.347500000003490
1984-10-01	1.373099999997070
1984-11-01	1.339900000006310
1984-12-01	1.389400000000020
1985-01-01	1.424499999993710
1985-02-01	1.480899999995020
1985-03-01	1.483999999996740
1985-04-01	1.382199999992740
1985-05-01	1.388500000000930
1985-06-01	1.364499999996040
1985-07-01	1.295899999997350
1985-08-01	1.253200000006470
1985-09-01	1.275299999993880
1985-10-01	1.195099999997180
1985-11-01	1.172999999995230
1985-12-01	1.145699999993670
1986-01-01	1.121599999998580
1986-02-01	1.078800000002960
1986-03-01	1.048500000004420
1986-04-01	1.052599999995440
1986-05-01	1.037200000006120
1986-06-01	1.039999999993600
1986-07-01	1.010299999994460
1986-08-01	0.979300000000876
1986-09-01	0.973200000000361
1986-10-01	0.961600000000544
1986-11-01	0.967399999999543
1986-12-01	0.957399999999325
1987-01-01	0.900400000000445
1987-02-01	0.882600000000821
1987-03-01	0.883599999999206
1987-04-01	0.872100000000501
1987-05-01	0.861100000000079
1987-06-01	0.876500000000306
1987-07-01	0.888600000000224
1987-08-01	0.896000000000640
1987-09-01	0.873499999999694
1987-10-01	0.868599999999788
1987-11-01	0.814700000000812
1987-12-01	0.791400000000067
1988-01-01	0.800100000000384
1988-02-01	0.822000000000116
1988-03-01	0.810900000000402
1988-04-01	0.805700000000798
1988-05-01	0.813099999999395
1988-06-01	0.842500000000655
1988-07-01	0.886300000000119
1988-08-01	0.905899999999747
1988-09-01	0.900299999999334
1988-10-01	0.879600000000210
1988-11-01	0.844499999999243
1988-12-01	0.843999999999141
1989-01-01	0.880499999999302
1989-02-01	0.888899999999921
1989-03-01	0.896699999999328
1989-04-01	0.899199999999837
1989-05-01	0.937500000000000
1989-06-01	0.955400000000736
1989-07-01	0.914000000000669
1989-08-01	0.927799999999479
1989-09-01	0.941100000000006
1989-10-01	0.907199999999648
1989-11-01	0.893899999999121
1989-12-01	0.856499999999869
1990-01-01	0.831899999999223
1990-02-01	0.820799999999508
1990-03-01	0.835100000000239
1990-04-01	0.825100000000020
1990-05-01	0.811400000000504
1990-06-01	0.817699999999604
1990-07-01	0.792699999999968
1990-08-01	0.759899999999106
1990-09-01	0.761699999999109
1990-10-01	0.739799999999377
1990-11-01	0.724000000000160
1990-12-01	0.731999999999971
1991-01-01	0.736699999999473
1991-02-01	0.722599999999147
1991-03-01	0.781800000000658
1991-04-01	0.826699999999619
1991-05-01	0.833899999999630
1991-06-01	0.868700000000899
1991-07-01	0.870699999999488
1991-08-01	0.850300000000061
1991-09-01	0.828100000000632
1991-10-01	0.825500000000830
1991-11-01	0.795000000000073
1991-12-01	0.768099999999322
1992-01-01	0.770599999999831
1992-02-01	0.791999999999462
1992-03-01	0.812700000000404
1992-04-01	0.804899999999179
1992-05-01	0.788599999999860
1992-06-01	0.767900000000736
1992-07-01	0.729799999999159
1992-08-01	0.713499999999840
1992-09-01	0.721999999999753
1992-10-01	0.755199999999604
1992-11-01	0.807199999999284
1992-12-01	0.807199999999284
1993-01-01	0.825000000000728
1993-02-01	0.845300000000861
1993-03-01	0.848400000000766
1993-04-01	0.820100000000821
1993-05-01	0.821200000000317
1993-06-01	0.844300000000658
1993-07-01	0.878399999999601
1993-08-01	0.882400000000416
1993-09-01	0.848200000000361
1993-10-01	0.859300000000076
1993-11-01	0.885800000000018
1993-12-01	0.885800000000018
1994-01-01	0.897499999999127
1994-02-01	0.894800000000032
1994-03-01	0.876000000000204
1994-04-01	0.877300000000105
1994-05-01	0.858599999999569
1994-06-01	0.845699999999852
1994-07-01	0.818499999999404
1994-08-01	0.817999999999302
1994-09-01	0.809999999999491
1994-10-01	0.793200000000070
1994-11-01	0.804400000000896
1994-12-01	0.822799999999916
1995-01-01	0.803400000000693
1995-02-01	0.794560000000274
1995-03-01	0.759586960000888
1995-04-01	0.745621050000409
1995-05-01	0.756042860000889
1995-06-01	0.752215000000433
1995-07-01	0.743437999999514
1995-08-01	0.770268189999115
1995-09-01	0.776014279999799
1995-10-01	0.756377269999575
1995-11-01	0.755342860000383
1995-12-01	0.766588889999184
1996-01-01	0.774245450000308
1996-02-01	0.776066669999636
1996-03-01	0.780428570000368
1996-04-01	0.790733330000876
1996-05-01	0.802268420000473
1996-06-01	0.797715009999592
1996-07-01	0.787395650000690
1996-08-01	0.779268180000145
1996-09-01	0.788695240000379
1996-10-01	0.794326089999231
1996-11-01	0.782652379999490
1996-12-01	0.799684999999954
1997-01-01	0.822170909999841
1997-02-01	0.857439999999770
1997-03-01	0.869771429999673
1997-04-01	0.873580949999450
1997-05-01	0.870735000000423
1997-06-01	0.879661900000428
1997-07-01	0.905356519999259
1997-08-01	0.932474999999613
1997-09-01	0.909499999999753
1997-10-01	0.890365220000604
1997-11-01	0.877757890000794
1997-12-01	0.899750000000495
1998-01-01	0.919166670000777
1998-02-01	0.918750000000728
1998-03-01	0.922254549999707
1998-04-01	0.916540000000168
1998-05-01	0.901814999999260
1998-06-01	0.911799999999857
1998-07-01	0.914804350000850
1998-08-01	0.907823809523810
1998-09-01	0.866800000000000
1998-10-01	0.838318181818182
1998-11-01	0.858409523809524
1998-12-01	0.852990909090909
1999-01-01	0.861525982757956
1999-02-01	0.892379755295393
1999-03-01	0.918689368139027
1999-04-01	0.934341146548532
1999-05-01	0.940912394605454
1999-06-01	0.963638731729264
1999-07-01	0.966225199896368
1999-08-01	0.943567537499893
1999-09-01	0.950979647726941
1999-10-01	0.933960847799219
1999-11-01	0.968291071985123
1999-12-01	0.988243093562053
2000-01-01	0.986599655154499
2000-02-01	1.015831260351400
2000-03-01	1.036268814330570
2000-04-01	1.057506550918280
2000-05-01	1.101908305594020
2000-06-01	1.052983719159840
2000-07-01	1.065410933383810
2000-08-01	1.105938163364200
2000-09-01	1.148397447675850
2000-10-01	1.171642344053870
2000-11-01	1.167818407071290
2000-12-01	1.110847240622870
2001-01-01	1.065109920146560
2001-02-01	1.085381439320770
2001-03-01	1.101013948288010
2001-04-01	1.118874966020130
2001-05-01	1.143491681999920
2001-06-01	1.170881467192710
2001-07-01	1.160932856695920
2001-08-01	1.108593628797350
2001-09-01	1.095831355547690
2001-10-01	1.103848733890420
2001-11-01	1.125723077290610
2001-12-01	1.119889984793540
2002-01-01	1.132910865454220
2002-02-01	1.148525701848940
2002-03-01	1.140762388897430
2002-04-01	1.127685572843220
2002-05-01	1.089120316507330
2002-06-01	1.045430445030380
2002-07-01	1.008349302417340
2002-08-01	1.022466761380760
2002-09-01	1.018930548972800
2002-10-01	1.018557636840410
2002-11-01	0.998391457056424
2002-12-01	0.981650596414961
2003-01-01	0.940409409892027
2003-02-01	0.927595390092912
2003-03-01	0.926530916541534
2003-04-01	0.919937204562854
2003-05-01	0.864283957397092
2003-06-01	0.856876061497657
2003-07-01	0.879662635603244
2003-08-01	0.896928097362124
2003-09-01	0.888519456873698
2003-10-01	0.854685546492516
2003-11-01	0.853417899937085
2003-12-01	0.813112024269310
2004-01-01	0.792752347695403
2004-02-01	0.791426784152941
2004-03-01	0.815533224748867
2004-04-01	0.833518721107458
2004-05-01	0.832421512973684
2004-06-01	0.823177725784699
2004-07-01	0.815449970902785
2004-08-01	0.820285111414802
2004-09-01	0.817896862213213
2004-10-01	0.801076714794469
2004-11-01	0.769368548590908
2004-12-01	0.745437606699414
2005-01-01	0.762809682659415
2005-02-01	0.767651335037723
2005-03-01	0.758813429448052
2005-04-01	0.772679617343699
2005-05-01	0.788512119501903
2005-06-01	0.822577741281025
2005-07-01	0.829936078709576
2005-08-01	0.813393210029619
2005-09-01	0.816693506534573
2005-10-01	0.831279693228531
2005-11-01	0.847904099357382
2005-12-01	0.843182467922394
2006-01-01	0.825230608714107
2006-02-01	0.837559900647643
2006-03-01	0.831187266199744
2006-04-01	0.814195395541760
2006-05-01	0.782905714213894
2006-06-01	0.789752016578728
2006-07-01	0.787832115623124
2006-08-01	0.780600743306540
2006-09-01	0.785348419021847
2006-10-01	0.792279805529722
2006-11-01	0.775805355475064
2006-12-01	0.757669308527504
2007-01-01	0.769205027368438
2007-02-01	0.764165332631251
2007-03-01	0.754757909445810
2007-04-01	0.740196535011848
2007-05-01	0.740158730009697
2007-06-01	0.745034100295902
2007-07-01	0.728967981970125
2007-08-01	0.734198174169927
2007-09-01	0.718849564111681
2007-10-01	0.702778640706982
2007-11-01	0.680739904821018
2007-12-01	0.686773225635266
2008-01-01	0.679666195761537
2008-02-01	0.678629145202805
2008-03-01	0.644097590595408
2008-04-01	0.635092953643633
2008-05-01	0.642545454545455
2008-06-01	0.642904761904762
2008-07-01	0.634608695652174
2008-08-01	0.669000000000000
2008-09-01	0.697045454545455
2008-10-01	0.753347826086957
2008-11-01	0.786100000000000
2008-12-01	0.744750000000000
2009-01-01	0.758300000000000
2009-02-01	0.780650000000000
2009-03-01	0.766863636363637
2009-04-01	0.757409090909091
2009-05-01	0.731952380952381
2009-06-01	0.713568181818182
2009-07-01	0.709826086956522
2009-08-01	0.701000000000000
2009-09-01	0.686454545454545
2009-10-01	0.675000000000000
2009-11-01	0.670233333333333
2009-12-01	0.686347826086956
2010-01-01	0.700142857142857
2010-02-01	0.730850000000000
2010-03-01	0.737000000000000
2010-04-01	0.746545454545455
2010-05-01	0.795428571428571
2010-06-01	0.818954545454545
2010-07-01	0.782045454545454
2010-08-01	0.775409090909091
2010-09-01	0.763909090909091
2010-10-01	0.720000000000000
2010-11-01	0.733454545454546
2010-12-01	0.756782608695652
2011-01-01	0.748409523809524
2011-02-01	0.732250000000000
2011-03-01	0.713565217391304
2011-04-01	0.691714285714286
2011-05-01	0.698454545454545
2011-06-01	0.694181818181818
2011-07-01	0.700047619047619
2011-08-01	0.697652173913043
2011-09-01	0.727000000000000
2011-10-01	0.728857142857143
2011-11-01	0.737136363636364
2011-12-01	0.760636363636364
2012-01-01	0.775000000000000
2012-02-01	0.755476190476191
2012-03-01	0.757136363636364
2012-04-01	0.759952380952381
2012-05-01	0.781782608695652
2012-06-01	0.797714285714286
2012-07-01	0.814090909090909
2012-08-01	0.806173913043478
2012-09-01	0.777150000000000
2012-10-01	0.770608695652174
2012-11-01	0.779227272727273
2012-12-01	0.761761904761905
2013-01-01	0.752000000000000
2013-02-01	0.749550000000000
2013-03-01	0.772047619047619
2013-04-01	0.767772727272727
2013-05-01	0.770714285714286
2013-06-01	0.758586000000000
2013-07-01	0.764642173913044
2013-08-01	0.751065454545455
2013-09-01	0.749116190476190
2013-10-01	0.733005652173913
2013-11-01	0.741359523809524
2013-12-01	0.729712272727273
2014-01-01	0.734083478260870
2014-02-01	0.731746000000000
2014-03-01	0.723164761904762
2014-04-01	0.724089090909091
2014-05-01	0.728108181818182
2014-06-01	0.735575238095238
2014-07-01	0.738856956521739
2014-08-01	0.750920000000000
2014-09-01	0.775189545454545
2014-10-01	0.789044347826087
2014-11-01	0.801368000000000
2014-12-01	0.812196086956522
2015-01-01	0.859902727272727
2015-02-01	0.880563000000000
2015-03-01	0.924472727272727
2015-04-01	0.924685454545455
2015-05-01	0.896117142857143
2015-06-01	0.891557727272727
2015-07-01	0.908782608695652
2015-08-01	0.898364761904762
2015-09-01	0.891428636363636
2015-10-01	0.890323636363636
2015-11-01	0.932770000000000
2015-12-01	0.918451304347826
2016-01-01	0.921767142857143
2016-02-01	0.901702380952381
2016-03-01	0.898522608695652
2016-04-01	0.881817619047619
2016-05-01	0.884608181818182
2016-06-01	0.890281363636364
2016-07-01	0.904311428571429
2016-08-01	0.892250000000000
2016-09-01	0.891918636363636
2016-10-01	0.907677142857143
2016-11-01	0.927670454545455
2016-12-01	0.948851363636364
2017-01-01	0.940747272727273
2017-02-01	0.939364000000000
2017-03-01	0.935317391304348
2017-04-01	0.933345500000000
2017-05-01	0.904472173913044
2017-06-01	0.890008181818182
2017-07-01	0.868165714285714
2017-08-01	0.846646956521739
2017-09-01	0.839486190476191
2017-10-01	0.850687272727273
2017-11-01	0.851745909090909
2017-12-01	0.845299523809524
2018-01-01	0.819926956521739
2018-02-01	0.810291000000000
2018-03-01	0.811034090909091
2018-04-01	0.814952857142857
2018-05-01	0.847136956521739
2018-06-01	0.856363333333333
2018-07-01	0.855792727272727
2018-08-01	0.865863043478261
2018-09-01	0.857064000000000
2018-10-01	0.870770869565217