Quarter	National Currency Units per US Dollar
1960-01-01	0.000179999605382631
1960-04-01	0.000179999605382631
1960-07-01	0.000179999605382631
1960-10-01	0.000179999605382631
1961-01-01	0.000179999605382631
1961-04-01	0.000179999605382631
1961-07-01	0.000179999605382631
1961-10-01	0.000179999605382631
1962-01-01	0.000259999430041578
1962-04-01	0.000299999342371052
1962-07-01	0.000299999342371052
1962-10-01	0.000299999342371052
1963-01-01	0.000299999342371052
1963-04-01	0.000299999342371052
1963-07-01	0.000299999342371052
1963-10-01	0.000299999342371052
1964-01-01	0.000299999342371052
1964-04-01	0.000299999342371052
1964-07-01	0.000299999342371052
1964-10-01	0.000299999342371052
1965-01-01	0.000299999342371052
1965-04-01	0.000299999342371052
1965-07-01	0.000299999342371052
1965-10-01	0.000299999342371052
1966-01-01	0.000299999342371052
1966-04-01	0.000299999342371052
1966-07-01	0.000299999342371052
1966-10-01	0.000299999342371052
1967-01-01	0.000299999342371052
1967-04-01	0.000299999342371052
1967-07-01	0.000299999342371052
1967-10-01	0.000333332602645613
1968-01-01	0.000349999232782894
1968-04-01	0.000349999232782894
1968-07-01	0.000349999232782894
1968-10-01	0.000349999232782894
1969-01-01	0.000349999232782894
1969-04-01	0.000349999232782894
1969-07-01	0.000349999232782894
1969-10-01	0.000349999232782894
1970-01-01	0.000350000000000000
1970-04-01	0.000350000000000000
1970-07-01	0.000350000000000000
1970-10-01	0.000350000000000000
1971-01-01	0.000350000000000000
1971-04-01	0.000350000000000000
1971-07-01	0.000380860333333333
1971-10-01	0.000420000000000000
1972-01-01	0.000420000000000000
1972-04-01	0.000420000000000000
1972-07-01	0.000420000000000000
1972-10-01	0.000420000000000000
1973-01-01	0.000420000000000000
1973-04-01	0.000420000000000000
1973-07-01	0.000420000000000000
1973-10-01	0.000420000000000000
1974-01-01	0.000420000000000000
1974-04-01	0.000420000000000000
1974-07-01	0.000420000000000000
1974-10-01	0.000522000000000000
1975-01-01	0.000600000000000000
1975-04-01	0.000601733333333333
1975-07-01	0.000624550666666667
1975-10-01	0.000704111000000000
1976-01-01	0.000733831333333333
1976-04-01	0.000772102333333333
1976-07-01	0.000812095333333333
1976-10-01	0.000856499000000000
1977-01-01	0.000900123666666667
1977-04-01	0.000931956333333333
1977-07-01	0.000990910333333334
1977-10-01	0.001367021333333330
1978-01-01	0.001608321000000000
1978-04-01	0.001701604333333330
1978-07-01	0.001817848000000000
1978-10-01	0.001862270333333330
1979-01-01	0.001958727000000000
1979-04-01	0.002344461666666670
1979-07-01	0.002680718333333330
1979-10-01	0.003190558333333330
1980-01-01	0.003838027666666670
1980-04-01	0.004512576666666670
1980-07-01	0.005414414000000000
1980-10-01	0.006734720666666670
1981-01-01	0.008368986666666670
1981-04-01	0.010275020000000000
1981-07-01	0.012540019666666700
1981-10-01	0.014517076333333300
1982-01-01	0.017448214333333300
1982-04-01	0.021377587666666700
1982-07-01	0.026956568000000000
1982-10-01	0.031285803000000000
1983-01-01	0.036728152333333300
1983-04-01	0.043403659666666700
1983-07-01	0.055541349666666700
1983-10-01	0.089251946000000000
1984-01-01	0.130640106666667000
1984-04-01	0.192312303000000000
1984-07-01	0.311216952666667000
1984-10-01	0.538669869333333000
1985-01-01	0.732907485000000000
1985-04-01	1.014735471000000000
1985-07-01	1.486602406666670000
1985-10-01	1.481199711666670000
1986-01-01	1.486245079333330000
1986-04-01	1.485370397000000000
1986-07-01	1.490519110666670000
1986-10-01	1.489221666666670000
1987-01-01	1.601365476333330000
1987-04-01	1.596658095333330000
1987-07-01	1.607858188333330000
1987-10-01	1.572699404000000000
1988-01-01	1.575399091000000000
1988-04-01	1.577979984333330000
1988-07-01	1.637513226000000000
1988-10-01	1.604867222333330000
1989-01-01	1.808997782333330000
1989-04-01	1.879608874333330000
1989-07-01	1.994716089666670000
1989-10-01	1.982326327333330000
1990-01-01	1.967244394000000000
1990-04-01	2.028274411000000000
1990-07-01	2.047757277000000000
1990-10-01	2.021414559333330000
1991-01-01	2.066691706666670000
1991-04-01	2.340891075666670000
1991-07-01	2.349970531333330000
1991-10-01	2.358881953000000000
1992-01-01	2.343619697000000000
1992-04-01	2.431211362000000000
1992-07-01	2.444982505333330000
1992-10-01	2.616345358333330000
1993-01-01	2.791332608666670000
1993-04-01	2.748406964333330000
1993-07-01	2.845788360000000000
1993-10-01	2.934663702333330000
1994-01-01	2.977673931666670000
1994-04-01	3.018471861333330000
1994-07-01	3.028494263333330000
1994-10-01	3.020087301666670000
1995-01-01	2.998965942028990000
1995-04-01	2.980949275362320000
1995-07-01	3.006960662525880000
1995-10-01	3.058651515151520000
1996-01-01	3.114038647343000000
1996-04-01	3.222555204216070000
1996-07-01	3.164142072902940000
1996-10-01	3.248182320095360000
1997-01-01	3.326493064182190000
1997-04-01	3.413613997114000000
1997-07-01	3.527318903318900000
1997-10-01	3.528160144927540000
1998-01-01	3.585372727272730000
1998-04-01	3.678520202020200000
1998-07-01	3.737417090156220000
1998-10-01	4.196053798858150000
1999-01-01	4.061220117322290000
1999-04-01	4.086911976911980000
1999-07-01	4.181121212121210000
1999-10-01	4.226961195809020000
2000-01-01	4.053635610766050000
2000-04-01	4.097046772068510000
2000-07-01	4.058412008281570000
2000-10-01	4.097262626262630000
2001-01-01	4.132296772068510000
2001-04-01	4.158761214630780000
2001-07-01	4.255032608695650000
2001-10-01	4.278084290106030000
2002-01-01	4.618910282953760000
2002-04-01	4.877988076416340000
2002-07-01	4.721986071899120000
2002-10-01	4.726975845410630000
2003-01-01	4.827522912353350000
2003-04-01	4.488843434343440000
2003-07-01	4.428636740071520000
2003-10-01	4.442970289855070000
2004-01-01	4.462807971014490000
2004-04-01	4.551369408369410000
2004-07-01	4.506530303030300000
2004-10-01	4.402303500846980000
2005-01-01	4.359551932367150000
2005-04-01	4.409367965367960000
2005-07-01	4.536033565468350000
2005-10-01	4.643981962481960000
2006-01-01	4.670862911725960000
2006-04-01	4.511755533596840000
2006-07-01	4.388236024844720000
2006-10-01	4.258512987012990000
2007-01-01	4.215543478260870000
2007-04-01	4.089162870945480000
2007-07-01	4.187787351778660000
2007-10-01	3.943305477131560000
2008-01-01	3.622998619737750000
2008-04-01	3.419653679653680000
2008-07-01	3.485262406675450000
2008-10-01	3.811204347826090000
2009-01-01	4.062774242424240000
2009-04-01	4.060444805194800000
2009-07-01	3.823506022962550000
2009-10-01	3.760275898738940000
2010-01-01	3.731958902691510000
2010-04-01	3.784828282828280000
2010-07-01	3.789939393939390000
2010-10-01	3.615431708388230000
2011-01-01	3.597252139406490000
2011-04-01	3.433296536796540000
2011-07-01	3.547540466779600000
2011-10-01	3.718497835497840000
2012-01-01	3.765725108225110000
2012-04-01	3.818838509316770000
2012-07-01	3.977361198945980000
2012-10-01	3.838268806073150000
2013-01-01	3.699828605935130000
2013-04-01	3.626424891774890000
2013-07-01	3.584106562519610000
2013-10-01	3.526092979484290000
2014-01-01	3.496805831608010000
2014-04-01	3.465056998557000000
2014-07-01	3.516342744212310000
2014-10-01	3.830202898550730000
2015-01-01	3.944722727272730000
2015-04-01	3.875738816738820000
2015-07-01	3.848361471861470000
2015-10-01	3.878962231005710000
2016-01-01	3.907336783988960000
2016-04-01	3.816099567099570000
2016-07-01	3.806182382834560000
2016-10-01	3.828267676767680000
2017-01-01	3.733008102766800000
2017-04-01	3.592636429512520000
2017-07-01	3.561309178743960000
2017-10-01	3.510781385281380000
2018-01-01	3.463964690382080000
2018-04-01	3.576982746721880000
2018-07-01	3.633734321475630000