Year	National Currency Units per US Dollar
1960-01-01	0.538201364676835
1961-01-01	0.538201364676835
1962-01-01	0.538201364676835
1963-01-01	0.541549285509657
1964-01-01	0.541368623645316
1965-01-01	0.541313682256006
1966-01-01	0.541467714365323
1967-01-01	0.576841839998340
1968-01-01	0.707831502607754
1969-01-01	0.707452378990189
1970-01-01	0.708265988084446
1971-01-01	0.707943627892061
1972-01-01	0.700178951953755
1973-01-01	0.642224195627226
1974-01-01	0.632941623652604
1975-01-01	0.617094116281769
1976-01-01	0.648489195887917
1977-01-01	0.676224786527474
1978-01-01	0.690677735674734
1979-01-01	0.653778706175132
1980-01-01	0.625601622228613
1981-01-01	0.723952315359090
1982-01-01	0.809464663436337
1983-01-01	0.935929370040909
1984-01-01	1.009664358567690
1985-01-01	1.042144250299510
1986-01-01	0.852784267028607
1987-01-01	0.739421399895387
1988-01-01	0.704065494621070
1989-01-01	0.721209450591713
1990-01-01	0.642903955163341
1991-01-01	0.680013219571020
1992-01-01	0.754461605219208
1993-01-01	0.962163883436797
1994-01-01	0.878431524247934
1995-01-01	0.734496296782172
1996-01-01	0.772359603726820
1997-01-01	0.872421609009042
1998-01-01	0.899007915484446
1999-01-01	0.938562898128768
2000-01-01	1.085096070140040
2001-01-01	1.116631088331970
2002-01-01	1.061065132805350
2003-01-01	0.885163216710171
2004-01-01	0.804862094256554
2005-01-01	0.804619415087824
2006-01-01	0.796697220781640
2007-01-01	0.730485427181495
2008-01-01	0.683982339828182
2009-01-01	0.719800423489554
2010-01-01	0.755043518257105
2011-01-01	0.719158754470168
2012-01-01	0.778006210395884
2013-01-01	0.753297658306669
2014-01-01	0.753695140645586
2015-01-01	0.901451643908024
2016-01-01	0.904281526915114
2017-01-01	0.887107173889516