Year	National Currency Units per US Dollar
1960-01-01	4.76190000376190
1961-01-01	4.76190000376190
1962-01-01	4.76190000376190
1963-01-01	4.76190000376190
1964-01-01	4.76190000376190
1965-01-01	4.76190000376190
1966-01-01	6.35912500535912
1967-01-01	7.50000000650000
1968-01-01	7.50000000650000
1969-01-01	7.50000000650000
1970-01-01	7.50000000650000
1971-01-01	7.49193523096824
1972-01-01	7.59446837394936
1973-01-01	7.74203856214968
1974-01-01	8.10160322721829
1975-01-01	8.37589194565386
1976-01-01	8.96041272812392
1977-01-01	8.73857617131457
1978-01-01	8.19284034840393
1979-01-01	8.12579094635689
1980-01-01	7.86294470113798
1981-01-01	8.65852281709317
1982-01-01	9.45513193348639
1983-01-01	10.09889824404610
1984-01-01	11.36258333266670
1985-01-01	12.36874999958330
1986-01-01	12.61083333325000
1987-01-01	12.96150000000000
1988-01-01	13.91708333333330
1989-01-01	16.22550000000000
1990-01-01	17.50350000000000
1991-01-01	22.74243333333330
1992-01-01	25.91808333333330
1993-01-01	30.49329166666670
1994-01-01	31.37374250000000
1995-01-01	32.42707666666670
1996-01-01	35.43317333333330
1997-01-01	36.31328583333330
1998-01-01	41.25936500000000
1999-01-01	43.05542833333330
2000-01-01	44.94160500000000
2001-01-01	47.18641416666670
2002-01-01	48.61031916666670
2003-01-01	46.58328416666670
2004-01-01	45.31646666666670
2005-01-01	44.09997500000000
2006-01-01	45.30700833333330
2007-01-01	41.34853333333330
2008-01-01	43.50518333333330
2009-01-01	48.40526666666670
2010-01-01	45.72581212121210
2011-01-01	46.67046666666670
2012-01-01	53.43723333333330
2013-01-01	58.59784541666670
2014-01-01	61.02951446078430
2015-01-01	64.15194446327860
2016-01-01	67.19531280738940
2017-01-01	65.12156864506600