Month	US Dollar per National Currency Units
1991-01-01	3.64400000000000
1991-02-01	3.59200000000000
1991-03-01	3.31700000000000
1991-04-01	3.25100000000000
1991-05-01	3.32400000000000
1991-06-01	3.22300000000000
1991-07-01	3.27900000000000
1991-08-01	3.28700000000000
1991-09-01	3.35000000000000
1991-10-01	3.35000000000000
1991-11-01	3.44700000000000
1991-12-01	3.59200000000000
1992-01-01	3.49200000000000
1992-02-01	3.45400000000000
1992-03-01	3.44500000000000
1992-04-01	3.43600000000000
1992-05-01	3.46000000000000
1992-06-01	3.58600000000000
1992-07-01	3.62800000000000
1992-08-01	3.73600000000000
1992-09-01	3.70300000000000
1992-10-01	3.56300000000000
1992-11-01	3.47800000000000
1992-12-01	3.45600000000000
1993-01-01	3.50176839303848
1993-02-01	3.46200450060585
1993-03-01	3.46860908775581
1993-04-01	3.52870602350118
1993-05-01	3.49956255468067
1993-06-01	3.37359152553809
1993-07-01	3.34728033472803
1993-08-01	3.41308577084542
1993-09-01	3.48723671362812
1993-10-01	3.39870169595215
1993-11-01	3.35322915968077
1993-12-01	3.33834084460023
1994-01-01	3.32889480692410
1994-02-01	3.34795272690750
1994-03-01	3.40089783702898
1994-04-01	3.39662375598655
1994-05-01	3.43831660019255
1994-06-01	3.53731871241599
1994-07-01	3.54245633922562
1994-08-01	3.52746128611239
1994-09-01	3.57909806728704
1994-10-01	3.66407738531438
1994-11-01	3.55454448512423
1994-12-01	3.56518948982138
1995-01-01	3.63306085376930
1995-02-01	3.72356270479595
1995-03-01	3.87341674090715
1995-04-01	3.88470204335327
1995-05-01	3.85237691655752
1995-06-01	3.82819079702932
1995-07-01	3.85163501906559
1995-08-01	3.69071784462078
1995-09-01	3.79377062862779
1995-10-01	3.80372765310004
1995-11-01	3.76109523093125
1995-12-01	3.75911585595068
1996-01-01	3.66488309022942
1996-02-01	3.70288084129453
1996-03-01	3.65644082050532
1996-04-01	3.61128164385540
1996-05-01	3.58757264834613
1996-06-01	3.62174495672015
1996-07-01	3.76279349789284
1996-08-01	3.84039325626944
1996-09-01	3.71181470620987
1996-10-01	3.71774853148933
1996-11-01	3.69713102632357
1996-12-01	3.65871505927118
1997-01-01	3.59414872587428
1997-02-01	3.47415230683713
1997-03-01	3.42442298472707
1997-04-01	3.22528624415417
1997-05-01	3.05894588724725
1997-06-01	3.11973544643414
1997-07-01	2.88958881151212
1997-08-01	2.95893005089360
1997-09-01	3.05008235222351
1997-10-01	3.04062271953296
1997-11-01	2.90309469894908
1997-12-01	2.88716941910151
1998-01-01	2.85902164279384
1998-02-01	2.92825768667643
1998-03-01	2.96929746421997
1998-04-01	3.01668225285831
1998-05-01	2.99895036737142
1998-06-01	2.99195165006134
1998-07-01	3.23813224532090
1998-08-01	2.98882180644390
1998-09-01	3.34045964724746
1998-10-01	3.45721694036301
1998-11-01	3.27471591839408
1998-12-01	3.34952269301625
1999-01-01	3.14159153026923
1999-02-01	2.90655427990118
1999-03-01	2.78978937090250
1999-04-01	2.80946226892173
1999-05-01	2.76778300581234
1999-06-01	2.82493855758637
1999-07-01	2.90706125178057
1999-08-01	2.85542959938323
1999-09-01	2.95508274231678
1999-10-01	2.90444379901249
1999-11-01	2.80843654337630
1999-12-01	2.77939909391590
2000-01-01	2.75709953129308
2000-02-01	2.72687609075044
2000-03-01	2.68463582914978
2000-04-01	2.54181282090387
2000-05-01	2.58705437988307
2000-06-01	2.64823495140489
2000-07-01	2.60552371026576
2000-08-01	2.51648296341034
2000-09-01	2.49887550602229
2000-10-01	2.44307632170429
2000-11-01	2.49190132070770
2000-12-01	2.64459312934705
2001-01-01	2.64075208619415
2001-02-01	2.64564262659400
2001-03-01	2.57486417591472
2001-04-01	2.60159217441074
2001-05-01	2.50375563345018
2001-06-01	2.53948905480217
2001-07-01	2.58157786038827
2001-08-01	2.65456186456425
2001-09-01	2.70885253006826
2001-10-01	2.69687162891046
2001-11-01	2.66908663855229
2001-12-01	2.75793596072699
2002-01-01	2.70474954019258
2002-02-01	2.73762593079282
2002-03-01	2.82853425354981
2002-04-01	2.94334069168506
2002-05-01	3.08527705787980
2002-06-01	3.40750332231574
2002-07-01	3.22393448965117
2002-08-01	3.22976551902332
2002-09-01	3.25425493833187
2002-10-01	3.20358801858081
2002-11-01	3.21543408360129
2002-12-01	3.31773995554229
2003-01-01	3.43112026076514
2003-02-01	3.39144000542630
2003-03-01	3.41099021045810
2003-04-01	3.53844520717597
2003-05-01	3.77428452196471
2003-06-01	3.61912344830082
2003-07-01	3.51172917544599
2003-08-01	3.36836432228510
2003-09-01	3.65911668923122
2003-10-01	3.62884203650615
2003-11-01	3.73678113672882
2003-12-01	3.89802759803539
2004-01-01	3.71871629913354
2004-02-01	3.82848392036753
2004-03-01	3.72314680367847
2004-04-01	3.67107195301028
2004-05-01	3.85742940904181
2004-06-01	3.82570105971919
2004-07-01	3.79823761774537
2004-08-01	3.79924774894571
2004-09-01	3.91972405142678
2004-10-01	4.03877221324717
2004-11-01	4.29055648517613
2004-12-01	4.47127207690588
2005-01-01	4.32563370533783
2005-02-01	4.45454140496236
2005-03-01	4.32900432900433
2005-04-01	4.24844931599966
2005-05-01	4.06107862248213
2005-06-01	4.02641327105814
2005-07-01	4.01187515044532
2005-08-01	4.12558273856182
2005-09-01	4.07547784977789
2005-10-01	4.06157345355591
2005-11-01	4.06834825061025
2005-12-01	4.06702456482837
2006-01-01	4.26530177010023
2006-02-01	4.19287211740042
2006-03-01	4.23316259577530
2006-04-01	4.40955992591939
2006-05-01	4.56350111805777
2006-06-01	4.46169633694731
2006-07-01	4.47467334884553
2006-08-01	4.55477112275108
2006-09-01	4.46927374301676
2006-10-01	4.49903270796779
2006-11-01	4.72009817804210
2006-12-01	4.79018969151178
2007-01-01	4.60045084418273
2007-02-01	4.66809821678648
2007-03-01	4.75669504828046
2007-04-01	4.83722730131089
2007-05-01	4.75014250427513
2007-06-01	4.70411139335779
2007-07-01	4.88949735967143
2007-08-01	4.94364247577615
2007-09-01	5.13557929334429
2007-10-01	5.35647329798061
2007-11-01	5.62176748369687
2007-12-01	5.53158535236199
2008-01-01	5.70353048537044
2008-02-01	6.01395236949723
2008-03-01	6.24063904143784
2008-04-01	6.16484803649590
2008-05-01	6.18085172136721
2008-06-01	6.59761166457742
2008-07-01	6.51763018966304
2008-08-01	5.95805529075310
2008-09-01	5.79878225572630
2008-10-01	5.26565215101890
2008-11-01	5.04821040940986
2008-12-01	5.16902718908301
2009-01-01	4.59896983075791
2009-02-01	4.49539222297145
2009-03-01	4.86263068319961
2009-04-01	4.96993191193281
2009-05-01	5.25596552086618
2009-06-01	5.45911125668741
2009-07-01	5.52975005529750
2009-08-01	5.62366437970982
2009-09-01	5.82139946443125
2009-10-01	5.59190292456523
2009-11-01	5.75043128234618
2009-12-01	5.44425087108014
2010-01-01	5.32424661910340
2010-02-01	5.22711828968690
2010-03-01	5.29997880008480
2010-04-01	5.20616409829238
2010-05-01	4.82485766669883
2010-06-01	4.77395331073662
2010-07-01	5.25513689631615
2010-08-01	5.10334268946160
2010-09-01	5.54785020804438
2010-10-01	5.63253351357441
2010-11-01	5.21784503000261
2010-12-01	5.33304890405845
2011-01-01	5.65099457504521
2011-02-01	5.68246391635413
2011-03-01	5.78904712284358
2011-04-01	6.13798183157378
2011-05-01	5.86303939962477
2011-06-01	5.93647966755714
2011-07-01	5.89518363497023
2011-08-01	5.99268891951819
2011-09-01	5.45523975778736
2011-10-01	5.64493367202935
2011-11-01	5.30841915277630
2011-12-01	5.01504513540622
2012-01-01	5.23258856156140
2012-02-01	5.41154824395260
2012-03-01	5.39927649694941
2012-04-01	5.31406100542034
2012-05-01	4.82695370951393
2012-06-01	4.91135013015078
2012-07-01	4.86381322957198
2012-08-01	5.07614213197970
2012-09-01	5.17705529095051
2012-10-01	5.18403317781234
2012-11-01	5.14165252712222
2012-12-01	5.24796641301496
2013-01-01	5.29016558218272
2013-02-01	5.12163892445583
2013-03-01	4.98206456755680
2013-04-01	5.06765316981706
2013-05-01	5.05842480651525
2013-06-01	5.04006854493221
2013-07-01	5.12689054088695
2013-08-01	5.14271020827976
2013-09-01	5.24824183898394
2013-10-01	5.30447697856991
2013-11-01	4.96943795656711
2013-12-01	5.02664119835126
2014-01-01	4.91497100167109
2014-02-01	5.05280177858623
2014-03-01	5.02487312195367
2014-04-01	5.04337300786766
2014-05-01	4.95392846527296
2014-06-01	4.97512437810945
2014-07-01	4.85271994953171
2014-08-01	4.75692132052136
2014-09-01	4.57603075092665
2014-10-01	4.50937950937951
2014-11-01	4.51406130095247
2014-12-01	4.37943417710432
2015-01-01	4.06752084604434
2015-02-01	4.09819269702061
2015-03-01	3.90838739935903
2015-04-01	4.08830744071954
2015-05-01	4.00352310032829
2015-06-01	4.10728221136074
2015-07-01	4.05712431028887
2015-08-01	4.14972196862810
2015-09-01	4.12099233495426
2015-10-01	4.06603236561763
2015-11-01	3.91466040321002
2015-12-01	4.02835965194973
2016-01-01	4.03877221324717
2016-02-01	4.08429995098840
2016-03-01	4.20928568421939
2016-04-01	4.21691827612381
2016-05-01	4.12830780663006
2016-06-01	4.09282527728891
2016-07-01	4.11116592665680
2016-08-01	4.11759861648686
2016-09-01	4.13052457662123
2016-10-01	4.05071495118888
2016-11-01	3.92850127676291
2016-12-01	3.90030812434182
2017-01-01	3.98089171974522
2017-02-01	3.92203004275013
2017-03-01	3.95538327663951
2017-04-01	4.06025417191116
2017-05-01	4.24718623911658
2017-06-01	4.35691878703381
2017-07-01	4.49640287769784
2017-08-01	4.53042178226793
2017-09-01	4.54483479525519
2017-10-01	4.53309156844968
2017-11-01	4.64705608996701
2017-12-01	4.69682025268893
2018-01-01	4.92829333201912
2018-02-01	4.80399692544197
2018-03-01	4.84472651518822
2018-04-01	4.72947408248203
2018-05-01	4.53514739229025
2018-06-01	4.48068823371270
2018-07-01	4.58421197396168
2018-08-01	4.52714020553217
2018-09-01	4.55228296990941