Year	National Currency Units per US Dollar
1963-01-01	0.0124999999999886
1964-01-01	0.0124999999999886
1965-01-01	0.0124999999999886
1966-01-01	0.0124999999999886
1967-01-01	0.0124999999999886
1968-01-01	0.0124999999999886
1969-01-01	0.0124999999999886
1970-01-01	0.0124999999999886
1971-01-01	0.0124999999999886
1972-01-01	0.0124999999999886
1973-01-01	0.0125000001862645
1974-01-01	0.0125000001862645
1975-01-01	0.0125000001862645
1976-01-01	0.0154375416215598
1977-01-01	0.0225475130770962
1978-01-01	0.0227287025907860
1979-01-01	0.0227460975608710
1980-01-01	0.0229278559752053
1981-01-01	0.0244829350628877
1982-01-01	0.0517172616951258
1983-01-01	0.1546800649995960
1984-01-01	0.1918241713462130
1985-01-01	0.3269786259704820
1986-01-01	0.6391651443515640
1987-01-01	1.4175134707067700
1988-01-01	2.2807754803679100
1989-01-01	2.4948834026841400
1990-01-01	2.8407523247070700
1991-01-01	3.0224674411804500
1992-01-01	3.0950201440263700
1993-01-01	3.1152944478033300
1994-01-01	3.3885941257560000
1995-01-01	6.4213288365506000
1996-01-01	7.6007101658728100
1997-01-01	7.9235650453263100
1998-01-01	9.1533350525564600
1999-01-01	9.5529669168268200
2000-01-01	9.4530687025534800
2001-01-01	9.3442572858763600
2002-01-01	9.6604892230865500
2003-01-01	10.7947164413545000
2004-01-01	11.2834859185802000
2005-01-01	10.8896752991091000
2006-01-01	10.9031296693644000
2007-01-01	10.9286421411318000
2008-01-01	11.1532355292051000
2009-01-01	13.5042362373737000
2010-01-01	12.6318797038710000
2011-01-01	12.4337364020641000
2012-01-01	13.1502058661146000
2013-01-01	12.7698675125871000
2014-01-01	13.3054708388230000
2015-01-01	15.8742021397986000
2016-01-01	18.6273949699636000
2017-01-01	18.8714924516516000