Quarter	National Currency Units per US Dollar
1960-01-01	360.5316556030940
1960-04-01	360.6616549981430
1960-07-01	358.9783294981470
1960-10-01	359.4516606288390
1961-01-01	358.9383296842860
1961-04-01	361.5283176318040
1961-07-01	362.0583151654660
1961-10-01	362.0583151654660
1962-01-01	361.9216491347740
1962-04-01	361.9649822664570
1962-07-01	360.9683202377460
1962-10-01	358.4183321040890
1963-01-01	358.5049983674550
1963-04-01	362.0549818476440
1963-07-01	362.8016450397220
1963-10-01	362.5349796139800
1964-01-01	362.4916464822970
1964-04-01	362.5783127456630
1964-07-01	362.1849812426940
1964-10-01	360.6216551842820
1965-01-01	359.7116594189370
1965-04-01	362.2716475060600
1965-07-01	362.3183139555650
1965-10-01	361.6616503446750
1966-01-01	361.7016501585370
1966-04-01	362.4149801723960
1966-07-01	362.6449791020990
1966-10-01	362.6316458308110
1967-01-01	362.4916464822970
1967-04-01	361.9649822664570
1967-07-01	362.1549813822980
1967-10-01	361.9849821733870
1968-01-01	362.1083149327930
1968-04-01	362.1316481575450
1968-07-01	359.7883257288380
1968-10-01	358.1849998565650
1969-01-01	357.9350010199320
1969-04-01	358.4416653288410
1969-07-01	359.1649952961660
1969-10-01	357.9283343842880
1970-01-01	357.7346666666370
1970-04-01	358.6289999997240
1970-07-01	358.5266666670020
1970-10-01	357.7263333334900
1971-01-01	357.6880000000820
1971-04-01	357.4406666668750
1971-07-01	353.0420000000550
1971-10-01	327.5976666665330
1972-01-01	308.0000000000000
1972-04-01	308.0000000000000
1972-07-01	308.0000000000000
1972-10-01	308.0000000000000
1973-01-01	281.1496911391910
1973-04-01	265.0152926553600
1973-07-01	265.1017738151300
1973-10-01	274.6994268646040
1974-01-01	290.0332475408180
1974-04-01	279.8346686140820
1974-07-01	297.3178413630920
1974-10-01	299.9676438531510
1975-01-01	293.3887569072080
1975-04-01	292.3712946023430
1975-07-01	297.9737993352010
1975-10-01	303.5379453576130
1976-01-01	302.3296185374340
1976-04-01	299.1740770656480
1976-07-01	291.0418927741770
1976-10-01	293.5951398670830
1977-01-01	285.4740594672240
1977-04-01	275.1648175326260
1977-07-01	266.1698731816660
1977-10-01	247.0963066247090
1978-01-01	237.6729586111270
1978-04-01	220.7622554278130
1978-07-01	192.8542954628510
1978-10-01	190.4643136160720
1979-01-01	201.5037345535670
1979-04-01	217.7880602639820
1979-07-01	218.8595180237690
1979-10-01	238.6388170756990
1980-01-01	243.5540444758900
1980-04-01	232.5559522840710
1980-07-01	219.9332943802460
1980-10-01	210.7423992221200
1981-01-01	205.6565314991050
1981-04-01	219.9937766703750
1981-07-01	231.9766272166420
1981-10-01	224.7414964184290
1982-01-01	233.5351282268810
1982-04-01	244.1237704842780
1982-07-01	258.7983990117410
1982-10-01	259.8507030756790
1983-01-01	235.6962212996050
1983-04-01	237.5307729778870
1983-07-01	242.5087915161220
1983-10-01	234.1727732109300
1984-01-01	231.0376697052690
1984-04-01	229.6845003400530
1984-07-01	243.4431309334370
1984-10-01	246.0491342695930
1985-01-01	257.6343460083010
1985-04-01	250.8163593289600
1985-07-01	238.7072529819170
1985-10-01	207.3347434364290
1986-01-01	187.8271495082920
1986-04-01	170.0806339808870
1986-07-01	155.8462674848460
1986-10-01	160.3226953412170
1987-01-01	153.1811075408300
1987-04-01	142.6473821890760
1987-07-01	146.9455897908450
1987-10-01	135.7138343579840
1988-01-01	127.9762514347370
1988-04-01	125.5944967212100
1988-07-01	133.7613800975510
1988-10-01	125.2061059200400
1989-01-01	128.4600535473230
1989-04-01	137.9889245929140
1989-07-01	142.3048965148720
1989-10-01	143.1428576272630
1990-01-01	147.9440524832910
1990-04-01	155.1985796368310
1990-07-01	145.2313866120310
1990-10-01	130.8080736162840
1991-01-01	133.6908775463440
1991-04-01	138.2727116902670
1991-07-01	136.4801220810210
1991-10-01	129.5413713606580
1992-01-01	128.4445111968660
1992-04-01	130.3881822087890
1992-07-01	124.8922428212710
1992-10-01	122.9668671678160
1993-01-01	121.0018459468470
1993-04-01	109.9578025837000
1993-07-01	105.5813486388230
1993-10-01	108.1611665089920
1994-01-01	107.6061192895880
1994-04-01	103.3897542238610
1994-07-01	99.0647063664027
1994-10-01	98.8536670684815
1995-01-01	96.2904171866093
1995-04-01	84.4504078611042
1995-07-01	94.0703278009112
1995-10-01	101.4503889780190
1996-01-01	105.7893119410460
1996-04-01	107.6533464465230
1996-07-01	108.9734767457410
1996-10-01	112.8520141895140
1997-01-01	121.2479035087720
1997-04-01	119.5549444444450
1997-07-01	117.9574007936510
1997-10-01	125.2260287081340
1998-01-01	128.0386244019140
1998-04-01	135.7528907496010
1998-07-01	139.9538488455990
1998-10-01	119.8326000797450
1999-01-01	116.5234210526310
1999-04-01	120.9024060783270
1999-07-01	113.5988636363640
1999-10-01	104.5273428680400
2000-01-01	107.1281209000760
2000-04-01	106.6934090909090
2000-07-01	107.6930641821950
2000-10-01	109.8242784992790
2001-01-01	118.0007862459180
2001-04-01	122.6429206349210
2001-07-01	121.7222149576840
2001-10-01	123.5693217893220
2002-01-01	132.4983333333330
2002-04-01	126.7904018445320
2002-07-01	119.2769411506370
2002-10-01	122.4541048999310
2003-01-01	118.9606421356420
2003-04-01	118.5352886002890
2003-07-01	117.4293305728090
2003-10-01	108.8200793650790
2004-01-01	107.1528954451350
2004-04-01	109.7273015873020
2004-07-01	109.9283333333330
2004-10-01	105.7790996925780
2005-01-01	104.5427870945480
2005-04-01	107.5296176046180
2005-07-01	111.2354627015490
2005-10-01	117.2254112554110
2006-01-01	116.8868511198950
2006-04-01	114.4990830039520
2006-07-01	116.2535541752930
2006-10-01	117.7780519480520
2007-01-01	119.3810013175230
2007-04-01	120.8052049689440
2007-07-01	117.7428056653490
2007-10-01	113.0914486166010
2008-01-01	105.2355279503110
2008-04-01	104.6295238095240
2008-07-01	107.6064840956150
2008-10-01	96.0810579710147
2009-01-01	93.6329318181818
2009-04-01	97.3526587301587
2009-07-01	93.5132229123534
2009-10-01	89.7873699730221
2010-01-01	90.6469872325742
2010-04-01	92.1046969696970
2010-07-01	85.7491969696970
2010-10-01	82.5417099567100
2011-01-01	82.2577063492064
2011-04-01	81.5485642135642
2011-07-01	77.6971789321789
2011-10-01	77.3235569985570
2012-01-01	79.3027056277056
2012-04-01	80.0804830917875
2012-07-01	78.6048735177866
2012-10-01	81.2662353347136
2013-01-01	92.3005759144238
2013-04-01	98.7544538239537
2013-07-01	98.9234268147311
2013-10-01	100.4138245812160
2014-01-01	102.8301048999310
2014-04-01	102.1309018759020
2014-07-01	103.9634067381890
2014-10-01	114.4655942028990
2015-01-01	119.1332575757570
2015-04-01	121.3014574314570
2015-07-01	122.1822673944410
2015-10-01	121.3922150072150
2016-01-01	115.4171290545200
2016-04-01	107.9805266955270
2016-07-01	102.4371983813290
2016-10-01	109.3759740259740
2017-01-01	113.7092312252970
2017-04-01	111.0595770750990
2017-07-01	111.0321739130430
2017-10-01	112.9312409812410
2018-01-01	108.3550441370220
2018-04-01	109.1073015873020
2018-07-01	111.4839822134390