Year	National Currency Units per US Dollar
1960-01-01	0.0880410858400587
1961-01-01	0.0880410858400587
1962-01-01	0.0880410858400587
1963-01-01	0.0880410858400587
1964-01-01	0.0880410858400587
1965-01-01	0.0880410858400587
1966-01-01	0.0880410858400587
1967-01-01	0.0880410858400587
1968-01-01	0.0880410858400587
1969-01-01	0.0880410858400587
1970-01-01	0.0880410858400587
1971-01-01	0.0880410858400587
1972-01-01	0.0880410858400587
1973-01-01	0.0869847640009782
1974-01-01	0.0880325752017608
1975-01-01	0.0939665199315236
1976-01-01	0.1071794570799710
1977-01-01	0.1080926143311320
1978-01-01	0.1078004891171440
1979-01-01	0.1087300807043290
1980-01-01	0.1251337979946200
1981-01-01	0.1624050379065790
1982-01-01	0.1956047688921500
1983-01-01	0.2579672291513820
1984-01-01	0.3306216678894600
1985-01-01	0.4051503056982150
1986-01-01	0.4093198581560280
1987-01-01	0.3967134507214480
1988-01-01	0.4157185375397410
1989-01-01	0.4756664954756660
1990-01-01	0.4643473954512100
1991-01-01	0.5343043775984350
1992-01-01	0.5589675715333820
1993-01-01	0.6722520909757890
1994-01-01	0.7109099046221570
1995-01-01	0.6796132061628760
1996-01-01	0.7062626314502320
1997-01-01	0.8010175348495960
1998-01-01	0.8665321839080460
1999-01-01	0.8971169234531670
2000-01-01	1.0685967229151400
2001-01-01	1.1166310833944700
2002-01-01	1.0610651328053500
2003-01-01	0.8851632167101710
2004-01-01	0.8048620942565540
2005-01-01	0.8046194150878240
2006-01-01	0.7966972207816400
2007-01-01	0.7304854271814950
2008-01-01	0.6839823398281820
2009-01-01	0.7198004234895540
2010-01-01	0.7550435182571050
2011-01-01	0.7191587544701680
2012-01-01	0.7780062103958840
2013-01-01	0.7532976583066690
2014-01-01	0.7536951406455860
2015-01-01	0.9014516439080240
2016-01-01	0.9042815269151140
2017-01-01	0.8871071738895160