Year	US Dollar per National Currency Units
1960-01-01	0.139909059131152
1961-01-01	0.140154169606188
1962-01-01	0.139860139879701
1963-01-01	0.139616055865915
1964-01-01	0.139664804488780
1965-01-01	0.139860139879701
1966-01-01	0.139762403932881
1967-01-01	0.139860139879701
1968-01-01	0.139860139879701
1969-01-01	0.139860139879701
1970-01-01	0.140056022428579
1971-01-01	0.149031296594491
1972-01-01	0.150602409661235
1973-01-01	0.174596246211191
1974-01-01	0.192122958730475
1975-01-01	0.179051029575479
1976-01-01	0.192864030895441
1977-01-01	0.194571456405209
1978-01-01	0.199104031896288
1979-01-01	0.203004466139465
1980-01-01	0.193050193087461
1981-01-01	0.172191132186344
1982-01-01	0.141763538438016
1983-01-01	0.129497110919455
1984-01-01	0.110047320347750
1985-01-01	0.131882624464227
1986-01-01	0.135135135135135
1987-01-01	0.160449257922182
1988-01-01	0.152207001522070
1989-01-01	0.151171579743008
1990-01-01	0.169276343630978
1991-01-01	0.167420056922819
1992-01-01	0.144414759188389
1993-01-01	0.133014099494546
1994-01-01	0.147885241052943
1995-01-01	0.158252888115208
1996-01-01	0.155219247186651
1997-01-01	0.136692319258581
1998-01-01	0.131578947368421
1999-01-01	0.124385844890851
2000-01-01	0.113013505113861
2001-01-01	0.110968085578588
2002-01-01	0.143560589746903
2003-01-01	0.149700598802395
2004-01-01	0.165562913907285
2005-01-01	0.147710487444609
2006-01-01	0.159744408945687
2007-01-01	0.184842883548983
2008-01-01	0.142857142857143
2009-01-01	0.173010380622837
2010-01-01	0.170648464163823
2011-01-01	0.166944908180301
2012-01-01	0.179533213644524
2013-01-01	0.164473684210526
2014-01-01	0.134589502018843
2015-01-01	0.113507377979569
2016-01-01	0.116009280742459
2017-01-01	0.121802679658952