Quarter	US Dollar per National Currency Units
1960-01-01	3.11933097
1960-04-01	3.11933097
1960-07-01	3.11933097
1960-10-01	3.11933097
1961-01-01	3.11545843
1961-04-01	3.11933097
1961-07-01	3.11933097
1961-10-01	3.11933097
1962-01-01	3.11933097
1962-04-01	3.11933097
1962-07-01	3.11933097
1962-10-01	3.11933097
1963-01-01	3.11739470
1963-04-01	3.11545843
1963-07-01	3.10964962
1963-10-01	3.11158589
1964-01-01	3.09803200
1964-04-01	3.09803200
1964-07-01	3.09803200
1964-10-01	3.09996827
1965-01-01	3.09996827
1965-04-01	3.09996827
1965-07-01	3.09803200
1965-10-01	3.09996827
1966-01-01	3.09996827
1966-04-01	3.10190454
1966-07-01	3.10190454
1966-10-01	3.09996827
1967-01-01	3.09996827
1967-04-01	3.10190454
1967-07-01	3.10771335
1967-10-01	3.10384081
1968-01-01	3.10190454
1968-04-01	3.11158589
1968-07-01	3.11352216
1968-10-01	3.10577708
1969-01-01	3.08254184
1969-04-01	3.09028692
1969-07-01	3.07673303
1969-10-01	3.09609573
1970-01-01	3.07866930
1970-04-01	3.07866930
1970-07-01	3.10771335
1970-10-01	3.10771335
1971-01-01	3.11352216
1971-04-01	3.10577708
1971-07-01	3.16386518
1971-10-01	3.26067868
1972-01-01	3.32457559
1972-04-01	3.33425694
1972-07-01	3.32844813
1972-10-01	3.32457559
1973-01-01	3.32457559
1973-04-01	3.31489424
1973-07-01	3.43300671
1973-10-01	3.18516415
1974-01-01	3.11158589
1974-04-01	2.98960088
1974-07-01	2.93151278
1974-10-01	2.98185580
1975-01-01	3.06317914
1975-04-01	3.07092422
1975-07-01	2.81727285
1975-10-01	2.83276301
1976-01-01	2.30416130
1976-04-01	2.30416130
1976-07-01	2.25188201
1976-10-01	2.21315661
1977-01-01	2.18217629
1977-04-01	2.18798510
1977-07-01	2.19379391
1977-10-01	2.22090169
1978-01-01	2.27124471
1978-04-01	2.26543590
1978-07-01	2.35063178
1978-10-01	2.33320535
1979-01-01	2.30609757
1979-04-01	2.32546027
1979-07-01	2.41452869
1979-10-01	2.40871988
1980-01-01	2.15506851
1980-04-01	2.30803384
1980-07-01	2.24607320
1980-10-01	2.08149025
1981-01-01	1.84720158
1981-04-01	1.62453053
1981-07-01	1.64389323
1981-10-01	1.61291291
1982-01-01	1.46382012
1982-04-01	1.39992321
1982-07-01	1.36119781
1982-10-01	1.41347710
1983-01-01	1.33989884
1983-04-01	1.28374701
1983-07-01	1.21016875
1983-10-01	1.16757081
1984-01-01	1.19661486
1984-04-01	1.12884541
1984-07-01	1.02815937
1984-10-01	1.00105159
1985-01-01	0.97781635
1985-04-01	0.99330651
1985-07-01	1.07269358
1985-10-01	1.15401692
1986-01-01	1.22565891
1986-04-01	1.28181074
1986-07-01	1.38830559
1986-10-01	1.42509472
1987-01-01	1.50448179
1987-04-01	1.45994758
1987-07-01	1.45994758
1987-10-01	1.65551085
1988-01-01	1.57225124
1988-04-01	1.43283980
1988-07-01	1.38249678
1988-10-01	1.48318282
1989-01-01	1.39411440
1989-04-01	1.37087916
1989-07-01	1.41734964
1989-10-01	1.52384449
1990-01-01	1.55095227
1990-04-01	1.57806005
1990-07-01	1.65357458
1990-10-01	1.71359895
1991-01-01	1.52771703
1991-04-01	1.43671234
1991-07-01	1.55482481
1991-10-01	1.68261863
1992-01-01	1.56256989
1992-04-01	1.67680982
1992-07-01	1.57031497
1992-10-01	1.31666360
1993-01-01	1.21210502
1993-04-01	1.25470296
1993-07-01	1.22372264
1993-10-01	1.13659049
1994-01-01	1.20242367
1994-04-01	1.22178637
1994-07-01	1.24308534
1994-10-01	1.18886978
1995-01-01	1.13271795
1995-04-01	1.18112470
1995-07-01	1.20048740
1995-10-01	1.22178637
1996-01-01	1.23340399
1996-04-01	1.26244804
1996-07-01	1.26825685
1996-10-01	1.26438431
1997-01-01	1.15401692
1997-04-01	1.13852676
1997-07-01	1.12110033
1997-10-01	1.09980136
1998-01-01	1.06494850
1998-04-01	1.08818374
1998-07-01	1.16950708
1998-10-01	1.17144335
1999-01-01	1.07420000
1999-04-01	1.03280000
1999-07-01	1.06650000
1999-10-01	1.00460000
2000-01-01	0.95530000
2000-04-01	0.95560000
2000-07-01	0.87650000
2000-10-01	0.93050000
2001-01-01	0.88320000
2001-04-01	0.84800000
2001-07-01	0.91310000
2001-10-01	0.88130000
2002-01-01	0.87240000
2002-04-01	0.99750000
2002-07-01	0.98600000
2002-10-01	1.04870000
2003-01-01	1.08950000
2003-04-01	1.14270000
2003-07-01	1.16520000
2003-10-01	1.26300000
2004-01-01	1.22240000
2004-04-01	1.21550000
2004-07-01	1.24090000
2004-10-01	1.36210000
2005-01-01	1.29640000
2005-04-01	1.20920000
2005-07-01	1.20420000
2005-10-01	1.17970000
2006-01-01	1.21040000
2006-04-01	1.27130000
2006-07-01	1.26600000
2006-10-01	1.31700000
2007-01-01	1.33180000
2007-04-01	1.35050000
2007-07-01	1.41790000
2007-10-01	1.47210000
2008-01-01	1.58120000
2008-04-01	1.57640000
2008-07-01	1.43030000
2008-10-01	1.39170000
2009-01-01	1.33080000
2009-04-01	1.41340000
2009-07-01	1.46430000
2009-10-01	1.44060000
2010-01-01	1.34790000
2010-04-01	1.22710000
2010-07-01	1.36480000
2010-10-01	1.33620000
2011-01-01	1.42070000
2011-04-01	1.44530000
2011-07-01	1.35030000
2011-10-01	1.29390000
2012-01-01	1.33560000
2012-04-01	1.25900000
2012-07-01	1.29300000
2012-10-01	1.31940000
2013-01-01	1.28050000
2013-04-01	1.30800000
2013-07-01	1.35050000
2013-10-01	1.37910000
2014-01-01	1.37880000
2014-04-01	1.36580000
2014-07-01	1.25830000
2014-10-01	1.21410000
2015-01-01	1.07590000
2015-04-01	1.11890000
2015-07-01	1.12030000
2015-10-01	1.08870000
2016-01-01	1.13850000
2016-04-01	1.11020000
2016-07-01	1.11610000
2016-10-01	1.05410000
2017-01-01	1.06910000
2017-04-01	1.14120000
2017-07-01	1.18060000
2017-10-01	1.19930000
2018-01-01	1.23210000
2018-04-01	1.16580000
2018-07-01	1.15760000