Quarter	National Currency
1961-01-01	6391064232.634709
1961-04-01	6687106563.654449
1961-07-01	6893000666.055390
1961-10-01	7074966534.934060
1962-01-01	7145081823.859791
1962-04-01	7399945334.399340
1962-07-01	7596379437.500780
1962-10-01	7585806497.107220
1963-01-01	7596935908.047810
1963-04-01	7893534709.614570
1963-07-01	7854581771.322499
1963-10-01	8296975856.211020
1964-01-01	8427746434.762970
1964-04-01	8668698181.626780
1964-07-01	8657012300.139160
1964-10-01	9037081683.760359
1965-01-01	9146149910.978159
1965-04-01	9412142832.458290
1965-07-01	9370964011.978100
1965-10-01	9951919263.076979
1966-01-01	9970839261.675991
1966-04-01	10082689841.628900
1966-07-01	9907958089.861650
1966-10-01	10350908645.297201
1967-01-01	10224589831.121500
1967-04-01	10379288643.195700
1967-07-01	10209008655.804600
1967-10-01	10773826261.039700
1968-01-01	10648620387.958000
1968-04-01	11175041525.448000
1968-07-01	10946332130.618801
1968-10-01	11791054421.009699
1969-01-01	11856717945.559200
1969-04-01	12031449697.326500
1969-07-01	11468301503.732601
1969-10-01	12085427340.388400
1970-01-01	11971907348.794401
1970-04-01	11753214423.811699
1970-07-01	11263520342.425700
1970-10-01	11895670883.851301
1971-01-01	11964116761.135900
1971-04-01	12388147317.972500
1971-07-01	12131614395.791800
1971-10-01	13021967271.039200
1972-01-01	12949069629.378300
1972-04-01	13516113116.801400
1972-07-01	12964650804.695100
1972-10-01	14431507166.665100
1973-01-01	14810463609.192200
1973-04-01	15187750640.078300
1973-07-01	14397005992.749300
1973-10-01	15614563549.650000
1974-01-01	15683009426.934599
1974-04-01	15651290605.753900
1974-07-01	14463782458.392800
1974-10-01	15089255353.254100
1975-01-01	14275695413.496800
1975-04-01	14204467183.477000
1975-07-01	13390907243.719799
1975-10-01	14524994218.566101
1976-01-01	14882804780.306100
1976-04-01	15423137681.471800
1976-07-01	14351931878.439900
1976-10-01	15412564741.078200
1977-01-01	15795416477.434600
1977-04-01	15734204717.261301
1977-07-01	14731444791.514000
1977-10-01	15923404703.251400
1978-01-01	16192736448.013700
1978-04-01	16365798788.139900
1978-07-01	15341336511.058400
1978-10-01	16901679924.929401
1979-01-01	17378018713.186700
1979-04-01	17273958720.892197
1979-07-01	16231689386.305800
1979-10-01	17072516382.867500
1980-01-01	17247804605.181797
1980-04-01	16437583488.706700
1980-07-01	15340780040.511400
1980-10-01	16798732873.728899
1981-01-01	17067099468.642800
1981-04-01	16824565726.016098
1981-07-01	15657008289.011002
1981-10-01	16240544473.770900
1982-01-01	16324946216.205000
1982-04-01	15266043895.896700
1982-07-01	14207141575.588402
1982-10-01	14955600705.334500
1983-01-01	15659918693.922500
1983-04-01	15771484215.530800
1983-07-01	15617717822.705500
1983-10-01	17014712180.235401
1984-01-01	17955258034.141903
1984-04-01	18145889555.846500
1984-07-01	17366386107.044200
1984-10-01	18585845764.971400
1985-01-01	19446355483.811000
1985-04-01	18918602059.855198
1985-07-01	17975145801.037300
1985-10-01	19372140158.567200
1986-01-01	19754858404.432200
1986-04-01	18959832796.101800
1986-07-01	17659366868.137300
1986-10-01	18767746071.941402
1987-01-01	19767470159.048800
1987-04-01	19417736502.181100
1987-07-01	18821103495.319300
1987-10-01	20280671558.447000
1988-01-01	21516138443.387500
1988-04-01	21161554111.667200
1988-07-01	19935788576.431700
1988-10-01	20870028553.029900
1989-01-01	21490914934.154300
1989-04-01	21144091682.198100
1989-07-01	19782992318.576900
1989-10-01	20806969779.947002
1990-01-01	20906408614.423900
1990-04-01	20777865730.831703
1990-07-01	19433258661.709198
1990-10-01	19816461975.059400
1991-01-01	19769410428.989800
1991-04-01	19679672944.217900
1991-07-01	18950131446.396698
1991-10-01	19652509165.043697
1992-01-01	19975564110.222504
1992-04-01	19885826625.450600
1992-07-01	18948676243.941000
1992-10-01	20231194674.951100
1993-01-01	20946184148.214700
1993-04-01	20781746270.713800
1993-07-01	20030376736.056202
1993-10-01	21098980406.069500
1994-01-01	21773709278.057100
1994-04-01	22036615855.064503
1994-07-01	21480728516.964000
1994-10-01	22740933843.652500
1995-01-01	23754270777.400803
1995-04-01	23238997492.255500
1995-07-01	22120130668.240200
1995-10-01	22958957663.372200
1996-01-01	23567721168.313900
1996-04-01	23308792034.223300
1996-07-01	22641866410.975100
1996-10-01	23648717303.437100
1997-01-01	24486251807.051200
1997-04-01	24675817229.679897
1997-07-01	24091611063.578700
1997-10-01	25170841481.044400
1998-01-01	25821826375.571598
1998-04-01	25639585071.544502
1998-07-01	24634888331.612300
1998-10-01	25766680070.806900
1999-01-01	26815321522.348400
1999-04-01	26851942115.356200
1999-07-01	26362949491.075400
1999-10-01	27819156601.268600
2000-01-01	29113802271.721500
2000-04-01	29546786930.225700
2000-07-01	28786371087.181000
2000-10-01	29712656675.025800
2001-01-01	29219355745.685200
2001-04-01	28759228765.304600
2001-07-01	27058309927.718002
2001-10-01	27405128485.027300
2002-01-01	28607145596.695700
2002-04-01	28901402832.276100
2002-07-01	28051805074.494800
2002-10-01	28655398613.364800
2003-01-01	29011264611.299603
2003-04-01	28490390529.576603
2003-07-01	27803646703.053497
2003-10-01	29017727068.889200
2004-01-01	29239173948.960000
2004-04-01	29107770644.637800
2004-07-01	28527441953.090400
2004-10-01	29330079185.720600
2005-01-01	29699300929.340600
2005-04-01	29608826523.086002
2005-07-01	29091399085.410800
2005-10-01	30072830978.020400
2006-01-01	30375704823.720303
2006-04-01	29499395574.568500
2006-07-01	28750612155.185100
2006-10-01	29158608644.342800
2007-01-01	29927000000.000000
2007-04-01	29182000000.000000
2007-07-01	28651666666.666702
2007-10-01	29063333333.333298
2008-01-01	28851333333.333298
2008-04-01	28167333333.333298
2008-07-01	28051666666.666702
2008-10-01	27883333333.333298
2009-01-01	26435333333.333298
2009-04-01	24290666666.666702
2009-07-01	24085333333.333298
2009-10-01	25222333333.333298
2010-01-01	26128000000.000000
2010-04-01	25725000000.000000
2010-07-01	25892333333.333298
2010-10-01	27097666666.666702
2011-01-01	27796666666.666702
2011-04-01	26634333333.333298
2011-07-01	27246333333.333298
2011-10-01	28262333333.333298
2012-01-01	28416000000.000000
2012-04-01	27097333333.333298
2012-07-01	26750000000.000000
2012-10-01	27686000000.000000
2013-01-01	28356666666.666702
2013-04-01	27028666666.666702
2013-07-01	27328333333.333298
2013-10-01	28866666666.666702
2014-01-01	29694666666.666702
2014-04-01	28681000000.000000
2014-07-01	28751333333.333298
2014-10-01	29975000000.000000
2015-01-01	30139000000.000000
2015-04-01	28122000000.000000
2015-07-01	28647333333.333298
2015-10-01	29524000000.000000
2016-01-01	29856333333.333298
2016-04-01	28099333333.333298
2016-07-01	28975666666.666702
2016-10-01	30068666666.666702
2017-01-01	30715000000.000000
2017-04-01	29741666666.666702
2017-07-01	30359666666.666702
2017-10-01	31377000000.000000
2018-01-01	31796000000.000000
2018-04-01	30770000000.000000