Year	National Currency Units per US Dollar
1960-01-01	2.132493195557210
1961-01-01	2.054749986791630
1962-01-01	2.044176896765060
1963-01-01	2.038270197307540
1964-01-01	2.032403975123950
1965-01-01	2.042202884027070
1966-01-01	2.044504123569020
1967-01-01	2.038268919077830
1968-01-01	2.041058442366330
1969-01-01	2.006863241351920
1970-01-01	1.864434366313360
1971-01-01	1.780049902087610
1972-01-01	1.630509809134740
1973-01-01	1.365958868272460
1974-01-01	1.322401060760220
1975-01-01	1.257965501432470
1976-01-01	1.287735471215120
1977-01-01	1.187360353404950
1978-01-01	1.027027740993170
1979-01-01	0.937134106747519
1980-01-01	0.929123867275444
1981-01-01	1.155148964889590
1982-01-01	1.240739225801830
1983-01-01	1.305515646383720
1984-01-01	1.455358253699620
1985-01-01	1.505132518334070
1986-01-01	1.110496140598450
1987-01-01	0.918970462668023
1988-01-01	0.897905237162739
1989-01-01	0.961220215117538
1990-01-01	0.826183768527940
1991-01-01	0.848135233293964
1992-01-01	0.798612353834434
1993-01-01	0.845323127947385
1994-01-01	0.829788376290373
1995-01-01	0.732689787285534
1996-01-01	0.769336632870274
1997-01-01	0.886656815776422
1998-01-01	0.899554153479597
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