Quarter US Dollar per National Currency Units 1975-01-01 1.248917553739040 1975-04-01 1.241556536044700 1975-07-01 1.180750977106930 1975-10-01 1.175816363454610 1976-01-01 1.164598655384820 1976-04-01 1.146365418773370 1976-07-01 1.151598047551510 1976-10-01 1.155453678764710 1977-01-01 1.155835606112040 1977-04-01 1.163231072977790 1977-07-01 1.165620205496340 1977-10-01 1.192704414126210 1978-01-01 1.226169534774900 1978-04-01 1.228490526786970 1978-07-01 1.270577916399900 1978-10-01 1.307995835943610 1979-01-01 1.287135650459470 1979-04-01 1.277565780634000 1979-07-01 1.306187611257600 1979-10-01 1.303712274428480 1980-01-01 1.290235711889440 1980-04-01 1.310156047538460 1980-07-01 1.313239498580320 1980-10-01 1.280722490690900 1981-01-01 1.231990256509670 1981-04-01 1.173111664459030 1981-07-01 1.134845173298430 1981-10-01 1.165282577962460 1982-01-01 1.129273178350050 1982-04-01 1.115338601592840 1982-07-01 1.082506562482210 1982-10-01 1.081669400731400 1983-01-01 1.085019314159410 1983-04-01 1.075771571792340 1983-07-01 1.052357697521520 1983-10-01 1.052269264145950 1984-01-01 1.052809361282750 1984-04-01 1.039910255067400 1984-07-01 1.009652775635920 1984-10-01 0.988596187439934 1985-01-01 0.975228303297444 1985-04-01 0.994133898310461 1985-07-01 1.044044896174670 1985-10-01 1.087750581743840 1986-01-01 1.135085136735350 1986-04-01 1.165556097806870 1986-07-01 1.208002174869220 1986-10-01 1.206706156730390 1987-01-01 1.272468761410430 1987-04-01 1.290291800044790 1987-07-01 1.279994575355600 1987-10-01 1.371182833367730 1988-01-01 1.371571895622910 1988-04-01 1.353209506811640 1988-07-01 1.291682110665990 1988-10-01 1.352657268476280 1989-01-01 1.308375281454690 1989-04-01 1.261889187759000 1989-07-01 1.271275707839260 1989-10-01 1.293234204354690 1990-01-01 1.314411180564730 1990-04-01 1.312784758228050 1990-07-01 1.381380875034490 1990-10-01 1.426731187890360 1991-01-01 1.400536145248720 1991-04-01 1.332052565971340 1991-07-01 1.346328684664460 1991-10-01 1.392554290236990 1992-01-01 1.383327835384530 1992-04-01 1.399078308228280 1992-07-01 1.466624917481300 1992-10-01 1.386633797223350 1993-01-01 1.385235941012390 1993-04-01 1.418487675975760 1993-07-01 1.405567936983580 1993-10-01 1.383458066479640 1994-01-01 1.397520403259800 1994-04-01 1.429027940547800 1994-07-01 1.452783789449100 1994-10-01 1.467042290021650 1995-01-01 1.510536343557660 1995-04-01 1.572566574534300 1995-07-01 1.519450625665020 1995-10-01 1.489062620053940 1996-01-01 1.460526802598890 1996-04-01 1.445193873488070 1996-07-01 1.454190497409480 1996-10-01 1.442934022400550 1997-01-01 1.388828916717720 1997-04-01 1.381820074096580 1997-07-01 1.362471665708660 1997-10-01 1.364903463712320 1998-01-01 1.343832472122730 1998-04-01 1.337854976838600 1998-07-01 1.347677234242440 1998-10-01 1.398846329492430 1999-01-01 1.371060184677070 1999-04-01 1.343019552817390 1999-07-01 1.373918515729820 1999-10-01 1.374284257984510 2000-01-01 1.346340799741680 2000-04-01 1.325497622640460 2000-07-01 1.305348917229480 2000-10-01 1.288076233307380 2001-01-01 1.283639199175440 2001-04-01 1.255216101419500 2001-07-01 1.278656416952570 2001-10-01 1.266957426717760 2002-01-01 1.244228007445080 2002-04-01 1.296271819582160 2002-07-01 1.324232582790090 2002-10-01 1.335080591991080 2003-01-01 1.373728172772270 2003-04-01 1.401571825908510 2003-07-01 1.395117302564620 2003-10-01 1.455508858274920 2004-01-01 1.480633490515480 2004-04-01 1.462283162780430 2004-07-01 1.462488381851380 2004-10-01 1.529233376024890 2005-01-01 1.522548807006300 2005-04-01 1.482784338991400 2005-07-01 1.453720197609180 2005-10-01 1.433066324197840 2006-01-01 1.440422739503440 2006-04-01 1.481543085324210 2006-07-01 1.482911723481260 2006-10-01 1.497384755082090 2007-01-01 1.501684485699610 2007-04-01 1.517535096263540 2007-07-01 1.540168407989230 2007-10-01 1.580771460809860 2008-01-01 1.616770416900800 2008-04-01 1.626026085490360 2008-07-01 1.582660100943920 2008-10-01 1.505506469431400 2009-01-01 1.489466339462690 2009-04-01 1.532703333333330 2009-07-01 1.567920000000000 2009-10-01 1.589253333333330 2010-01-01 1.535003333333330 2010-04-01 1.488116666666670 2010-07-01 1.527873333333330 2010-10-01 1.545866666666670 2011-01-01 1.573496666666670 2011-04-01 1.607393333333330 2011-07-01 1.589993333333330 2011-10-01 1.557576666666670 2012-01-01 1.552063333333330 2012-04-01 1.526120000000000 2012-07-01 1.524176666666670 2012-10-01 1.537433333333330 2013-01-01 1.518458473708930 2013-04-01 1.503990000000000 2013-07-01 1.521366666666670 2013-10-01 1.539583333333330 2014-01-01 1.542410000000000 2014-04-01 1.545452481827810 2014-07-01 1.510756666666670 2014-10-01 1.463793333333330 2015-01-01 1.398893333333330 2015-04-01 1.401103333333330 2015-07-01 1.400746666666670 2015-10-01 1.384923333333330 2016-01-01 1.390210000000000 2016-04-01 1.406350000000000 2016-07-01 1.394510000000000 2016-10-01 1.357313333333330 2017-01-01 1.356523333333330 2017-04-01 1.382242739969400 2017-07-01 1.411478046157300 2017-10-01 1.414746044610170 2018-01-01 1.452291394052220 2018-04-01 1.420428864739000 2018-07-01 1.400502214717880