Year	National Currency Units per US Dollar
1960-01-01	0.747702593310232
1961-01-01	0.747899379583316
1962-01-01	0.747134339598480
1963-01-01	0.747137388578825
1964-01-01	0.747161780421583
1965-01-01	0.747247151871236
1966-01-01	0.749151748259922
1967-01-01	0.750136441870427
1968-01-01	0.755058639514480
1969-01-01	0.792719009528572
1970-01-01	0.842869019361534
1971-01-01	0.840061416627411
1972-01-01	0.768990955199807
1973-01-01	0.678985055422840
1974-01-01	0.733164165740539
1975-01-01	0.653583237925657
1976-01-01	0.728757118733901
1977-01-01	0.749059516604493
1978-01-01	0.687824557605656
1979-01-01	0.648612129555240
1980-01-01	0.644269873380928
1981-01-01	0.828463857641075
1982-01-01	1.001903834143600
1983-01-01	1.161858424663000
1984-01-01	1.332319293287010
1985-01-01	1.369626108621960
1986-01-01	1.056005449544200
1987-01-01	0.916024221099859
1988-01-01	0.908142606908685
1989-01-01	0.972648867735741
1990-01-01	0.830229725424075
1991-01-01	0.859942038883646
1992-01-01	0.807019362549679
1993-01-01	0.863214611120343
1994-01-01	0.846405836561441
1995-01-01	0.760845096045422
1996-01-01	0.779898682383144
1997-01-01	0.889893189136890
1998-01-01	0.899356461881902
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