Year	National Currency Units per US Dollar
1960-01-01	0.00104896937508435
1961-01-01	0.00105013600777515
1962-01-01	0.00105763578898984
1963-01-01	0.00162178598526937
1964-01-01	0.00230743263477695
1965-01-01	0.00315665784211544
1966-01-01	0.00385113756716292
1967-01-01	0.00506826870035749
1968-01-01	0.00687646591103729
1969-01-01	0.00861758174712081
1970-01-01	0.01127750409198840
1971-01-01	0.01220864357438480
1972-01-01	0.02083522505959660
1973-01-01	0.07164190845291540
1974-01-01	0.59282626128923500
1975-01-01	4.91041666666667000
1976-01-01	13.05416666666670000
1977-01-01	21.53583333333330000
1978-01-01	31.65583333333330000
1979-01-01	37.24583333333330000
1980-01-01	39.00000000000000000
1981-01-01	39.00000000000000000
1982-01-01	50.90833333333330000
1983-01-01	78.78833333333340000
1984-01-01	98.47750000000000000
1985-01-01	160.86000000000000000
1986-01-01	192.93000000000000000
1987-01-01	219.40666666666700000
1988-01-01	245.01166666666700000
1989-01-01	266.95333333333300000
1990-01-01	304.90333333333300000
1991-01-01	349.21583333333300000
1992-01-01	362.57583333333300000
1993-01-01	404.16583333333300000
1994-01-01	420.17666666666700000
1995-01-01	396.81263252870300000
1996-01-01	412.28838945354200000
1997-01-01	419.29977871886600000
1998-01-01	460.25206204906200000
1999-01-01	508.75982127956600000
2000-01-01	539.38798470732200000
2001-01-01	634.83727683669000000
2002-01-01	689.00387144739300000
2003-01-01	691.29870006744400000
2004-01-01	609.58191084760600000
2005-01-01	559.70531054332100000
2006-01-01	530.27776849237700000
2007-01-01	522.22821620710200000
2008-01-01	523.54240251897900000
2009-01-01	558.94208956804100000
2010-01-01	509.98160063366600000
2011-01-01	483.42085835058700000
2012-01-01	485.98372361032700000
2013-01-01	495.28161281291200000
2014-01-01	570.63605400519200000
2015-01-01	654.32228589960200000
2016-01-01	676.54049922752400000
2017-01-01	648.67682249913700000