Year	National Currency Units per US Dollar
1960-01-01	7.13369750000008
1961-01-01	7.14251999994910
1962-01-01	7.13768833329353
1963-01-01	7.14954416664356
1964-01-01	7.15760499995910
1965-01-01	7.15064916661625
1966-01-01	7.15064749995024
1967-01-01	7.15043499997531
1968-01-01	7.14302999997866
1969-01-01	7.14439083327549
1970-01-01	7.14712083329868
1971-01-01	7.04356833330652
1972-01-01	6.58824833333226
1973-01-01	5.74435381509331
1974-01-01	5.52272938718886
1975-01-01	5.22333582450997
1976-01-01	5.45681960615753
1977-01-01	5.32163791009005
1978-01-01	5.24149054893225
1979-01-01	5.06286639962321
1980-01-01	4.93688274028282
1981-01-01	5.73188789518784
1982-01-01	6.45104200396657
1983-01-01	7.29586504830456
1984-01-01	8.16038931022993
1985-01-01	8.59384079271248
1986-01-01	7.39181505306223
1987-01-01	6.73671698263228
1988-01-01	6.51709091771713
1989-01-01	6.90331217941657
1990-01-01	6.25827320317281
1991-01-01	6.48393489462320
1992-01-01	6.21447913942778
1993-01-01	7.09441146919811
1994-01-01	7.05654572274542
1995-01-01	6.33718151050528
1996-01-01	6.45735185031012
1997-01-01	7.07231639159658
1998-01-01	7.54524817217203
1999-01-01	7.79690319358178
2000-01-01	8.79668717626576
2001-01-01	8.98835910724742
2002-01-01	7.98555545363739
2003-01-01	7.07752583356861
2004-01-01	6.73933017990464
2005-01-01	6.44140654259991
2006-01-01	6.41478064417466
2007-01-01	5.85845357456553
2008-01-01	5.64781888528139
2009-01-01	6.29010033487044
2010-01-01	6.04184666619612
2011-01-01	5.60457492471297
2012-01-01	5.81492121839513
2013-01-01	5.87652067217203
2014-01-01	6.30188769841270
2015-01-01	8.06431832494196
2016-01-01	8.40022578423991
2017-01-01	8.27100913898300