Quarter	National Currency
1970-01-01	214633646728
1970-04-01	233928523056
1970-07-01	245108233902
1970-10-01	246675414435
1971-01-01	226318416991
1971-04-01	238448626454
1971-07-01	250581582136
1971-10-01	250322476798
1972-01-01	236839429569
1972-04-01	247185615705
1972-07-01	258651045142
1972-10-01	265038288342
1973-01-01	253203855649
1973-04-01	261963877656
1973-07-01	269689788695
1973-10-01	272679788878
1974-01-01	259495684719
1974-04-01	265902960463
1974-07-01	274266044923
1974-10-01	272273264517
1975-01-01	252271462981
1975-04-01	260259015596
1975-07-01	268326741661
1975-10-01	276183511383
1976-01-01	264821134588
1976-04-01	274582832841
1976-07-01	279805498605
1976-10-01	289806023967
1977-01-01	277382350289
1977-04-01	282811447054
1977-07-01	287625849243
1977-10-01	298438900914
1978-01-01	282849352791
1978-04-01	292498254443
1978-07-01	296772890098
1978-10-01	308567192925
1979-01-01	294107333545
1979-04-01	306396709167
1979-07-01	309249059213
1979-10-01	320757520453
1980-01-01	308645589458
1980-04-01	308804192031
1980-07-01	312873023925
1980-10-01	317898954707
1981-01-01	306163214734
1981-04-01	310488644061
1981-07-01	316068004254
1981-10-01	324440233451
1982-01-01	307197063901
1982-04-01	310948732794
1982-07-01	310780789090
1982-10-01	319129652216
1983-01-01	307087928490
1983-04-01	312850510953
1983-07-01	315662275158
1983-10-01	330663240399
1984-01-01	320835265229
1984-04-01	316874014891
1984-07-01	325850386061
1984-10-01	340443925576
1985-01-01	322846249229
1985-04-01	328955409801
1985-07-01	337766739321
1985-10-01	348864323271
1986-01-01	327392881956
1986-04-01	340196523052
1986-07-01	344226059523
1986-10-01	356742760227
1987-01-01	331702747346
1987-04-01	342140863374
1987-07-01	348044276082
1987-10-01	363388330077
1988-01-01	347037195426
1988-04-01	354041239465
1988-07-01	361316130923
1988-10-01	375849555065
1989-01-01	364616364924
1989-04-01	371646309494
1989-07-01	373522302567
1989-10-01	388379080137
1990-01-01	385770284464
1990-04-01	386480258329
1990-07-01	394626755014
1990-10-01	408421266935
1991-01-01	405236989527
1991-04-01	412627607812
1991-07-01	417309310995
1991-10-01	420073091666
1992-01-01	413701142438
1992-04-01	418316091856
1992-07-01	427243955918
1992-10-01	427285029788
1993-01-01	402916083877
1993-04-01	415050915512
1993-07-01	423744377561
1993-10-01	426376323050
1994-01-01	409450435573
1994-04-01	423192446096
1994-07-01	433293051001
1994-10-01	438466887330
1995-01-01	421114369941
1995-04-01	433014833347
1995-07-01	439809520915
1995-10-01	443970305797
1996-01-01	420630342446
1996-04-01	436772059820
1996-07-01	446913394613
1996-10-01	451449843121
1997-01-01	423685394760
1997-04-01	449324197368
1997-07-01	456089302982
1997-10-01	461778044890
1998-01-01	443995440046
1998-04-01	451974596174
1998-07-01	463864321654
1998-10-01	467157062127
1999-01-01	445983523419
1999-04-01	458548735148
1999-07-01	472075947171
1999-10-01	480879884262
2000-01-01	467805910593
2000-04-01	477352331014
2000-07-01	486283727522
2000-10-01	490249640871
2001-01-01	479164926184
2001-04-01	485439139894
2001-07-01	493944538055
2001-10-01	498254305867
2002-01-01	476319535522
2002-04-01	489855897934
2002-07-01	499017141351
2002-10-01	497228145192
2003-01-01	476578972898
2003-04-01	484225529606
2003-07-01	498909900099
2003-10-01	497891047397
2004-01-01	485025049726
2004-04-01	497000575727
2004-07-01	503611590522
2004-10-01	503869364026
2005-01-01	483189965022
2005-04-01	504297479914
2005-07-01	509597744718
2005-10-01	509274810346
2006-01-01	502982601560
2006-04-01	515808317280
2006-07-01	529707433709
2006-10-01	533902687452
2007-01-01	527355895408
2007-04-01	536670095730
2007-07-01	549139975257
2007-10-01	549489473605
2008-01-01	540635391932
2008-04-01	556171874362
2008-07-01	555857162196
2008-10-01	536675601511
2009-01-01	502186658962
2009-04-01	512003148919
2009-07-01	526674315927
2009-10-01	525486036192
2010-01-01	517188681229
2010-04-01	536116748213
2010-07-01	548751947426
2010-10-01	549161813132
2011-01-01	542290070328