Year	National Currency Units per US Dollar
1960-01-01	6.89406666664096
1961-01-01	6.90763916664340
1962-01-01	6.90138333333137
1963-01-01	6.90401249998467
1964-01-01	6.91608333331654
1965-01-01	6.91542583330860
1966-01-01	6.90831999998288
1967-01-01	6.98709833332638
1968-01-01	7.48446083326780
1969-01-01	7.51919833328551
1970-01-01	7.49953333329176
1971-01-01	7.40668333330905
1972-01-01	6.97699999996014
1973-01-01	6.03301825057653
1974-01-01	6.08550636645684
1975-01-01	5.74125439187493
1976-01-01	6.04419606586937
1977-01-01	6.00114052520534
1978-01-01	5.51107921206931
1979-01-01	5.26052929316754
1980-01-01	5.63579033583309
1981-01-01	7.12002102444051
1982-01-01	8.33323683642125
1983-01-01	9.14479990189946
1984-01-01	10.35522623975670
1985-01-01	10.59449834321890
1986-01-01	8.08911598331219
1987-01-01	6.83835173050412
1988-01-01	6.73019840276714
1989-01-01	7.31007452322373
1990-01-01	6.18636201354551
1991-01-01	6.39279859449697
1992-01-01	6.03836917846958
1993-01-01	6.48217711828600
1994-01-01	6.36021895111366
1995-01-01	5.60374252637938
1996-01-01	5.79824931933875
1997-01-01	6.60407451385793
1998-01-01	6.69932324149884
1999-01-01	6.97991388645774
2000-01-01	8.08802806002572
2001-01-01	8.32081343742811
2002-01-01	7.88427545978303
2003-01-01	6.57700178389461
2004-01-01	5.98756135322190
2005-01-01	5.99609258502291
2006-01-01	5.94301094209605
2007-01-01	5.44275538149854
2008-01-01	5.09894698160979
2009-01-01	5.35941711211494
2010-01-01	5.62175651232825
2011-01-01	5.35692618890771
2012-01-01	5.78994374098124
2013-01-01	5.61775368012422
2014-01-01	5.61872773966372
2015-01-01	6.72540849888638
2016-01-01	6.73078313884183
2017-01-01	6.60179308817994