Year	US Dollar per National Currency Units
1960-01-01	0.0027915805929473000
1961-01-01	0.0027641871907642004
1962-01-01	0.0027917364600859600
1963-01-01	0.0027628125431765804
1964-01-01	0.0027909572983689100
1965-01-01	0.0027708506511575806
1966-01-01	0.0027588490082090000
1967-01-01	0.0027631179022485205
1968-01-01	0.0027956388034744103
1969-01-01	0.0027948574622850500
1970-01-01	0.0027960296379219802
1971-01-01	0.0031766200762590605
1972-01-01	0.0033112582781566605
1973-01-01	0.0035714285714413306
1974-01-01	0.0033228110982001105
1975-01-01	0.0032770768474628103
1976-01-01	0.0034153005464714202
1977-01-01	0.0041666666666840300
1978-01-01	0.0051387461459668000
1979-01-01	0.0041718815185822810
1980-01-01	0.0049261083744085000
1981-01-01	0.0045475216007482810
1982-01-01	0.0042553191489542800
1983-01-01	0.0043066322136275010
1984-01-01	0.0039824771007566700
1985-01-01	0.0049875311720698305
1986-01-01	0.0062853551225644300
1987-01-01	0.0080971659919028300
1988-01-01	0.0079459674215335700
1989-01-01	0.0069710700592541010
1990-01-01	0.0074404761904761910
1991-01-01	0.0079872204472843400
1992-01-01	0.0080160320641282610
1993-01-01	0.0089405453732677700
1994-01-01	0.0100260677762182000
1995-01-01	0.0097247884858504310
1996-01-01	0.0086206896551724120
1997-01-01	0.0076952674105425210
1998-01-01	0.0086505190311418710
1999-01-01	0.0097847358121330720
2000-01-01	0.0087032201914708400
2001-01-01	0.0075872534142640410
2002-01-01	0.0083402835696413710
2003-01-01	0.0093370681605975700
2004-01-01	0.0096043027276219700
2005-01-01	0.0084767313723828120
2006-01-01	0.0084068936527952900
2007-01-01	0.0087719298245614010
2008-01-01	0.0110192837465565020
2009-01-01	0.0108624809906583010
2010-01-01	0.0122774708410068010
2011-01-01	0.0128667009778693010
2012-01-01	0.0115540150202195000
2013-01-01	0.0094966761633428310
2014-01-01	0.0082891246684350100
2015-01-01	0.0082987551867219900
2016-01-01	0.0085616438356164400
2017-01-01	0.0088573959255978700