Quarter	National Currency
1980-01-01	345820754045
1980-04-01	329353623201
1980-07-01	297210688940
1980-10-01	358560224646
1981-01-01	340259154596
1981-04-01	339115828858
1981-07-01	297332665472
1981-10-01	361394104031
1982-01-01	338966320789
1982-04-01	345105686146
1982-07-01	300664646488
1982-10-01	375904491560
1983-01-01	345622745452
1983-04-01	351785249593
1983-07-01	308474792343
1983-10-01	387685543562
1984-01-01	369369234856
1984-04-01	362570865022
1984-07-01	318218612284
1984-10-01	398747241918
1985-01-01	371780492879
1985-04-01	374336857699
1985-07-01	331002197857
1985-10-01	400270510362
1986-01-01	378618305436
1986-04-01	385141981708
1986-07-01	335335598643
1986-10-01	412091005009
1987-01-01	387777788470
1987-04-01	394488676796
1987-07-01	348573590267
1987-10-01	428047346316
1988-01-01	404360196334
1988-04-01	406233285857
1988-07-01	352280493313
1988-10-01	438063369690
1989-01-01	414619515711
1989-04-01	419575212739
1989-07-01	363231169520
1989-10-01	446014331209
1990-01-01	427612946080
1990-04-01	426864704477
1990-07-01	370448042274
1990-10-01	452573541045
1991-01-01	429021476452
1991-04-01	425373410671
1991-07-01	366806584901
1991-10-01	438385824560
1992-01-01	422105713207
1992-04-01	413712586378
1992-07-01	359624690721
1992-10-01	423744132610
1993-01-01	403711139070
1993-04-01	411275619516
1993-07-01	370130923627
1993-10-01	432673317787
1994-01-01	416581694060
1994-04-01	427860908153
1994-07-01	387824669908
1994-10-01	455084727879
1995-01-01	446897692735
1995-04-01	448848495061
1995-07-01	401981117027
1995-10-01	470232695176
1996-01-01	459710004376
1996-04-01	456047946821
1996-07-01	410940387881
1996-10-01	472686660922
1997-01-01	454089334589
1997-04-01	477777308835
1997-07-01	425793909376
1997-10-01	496777447201
1998-01-01	476752672480
1998-04-01	493830204531
1998-07-01	445176935285
1998-10-01	515743187704
1999-01-01	497952212492
1999-04-01	514604990775
1999-07-01	463813860566
1999-10-01	544784936167
2000-01-01	524780460809
2000-04-01	543099743707
2000-07-01	488872938714
2000-10-01	566012856771
2001-01-01	536080495900
2001-04-01	545824377107
2001-07-01	492269441492
2001-10-01	570967685501
2002-01-01	541745450180
2002-04-01	565679970351
2002-07-01	507864392975
2002-10-01	581098186495
2003-01-01	562290893818
2003-04-01	570784738387
2003-07-01	522209147511
2003-10-01	594081220284
2004-01-01	582807758322
2004-04-01	599008250666
2004-07-01	543957235537
2004-10-01	625528755475
2005-01-01	591360128533
2005-04-01	620830153372
2005-07-01	564546743081
2005-10-01	645461975014
2006-01-01	624798486416
2006-04-01	641838815578
2006-07-01	588739615141
2006-10-01	672491082865
2007-01-01	652330329946
2007-04-01	663041939819
2007-07-01	603843502856
2007-10-01	692915227380
2008-01-01	655624221339
2008-04-01	678610937961
2008-07-01	608847027927
2008-10-01	657667812773
2009-01-01	611957782590
2009-04-01	629096405628
2009-07-01	568517543947
2009-10-01	648727267835
2010-01-01	629399254241
2010-04-01	661755052268
2010-07-01	607256903107
2010-10-01	702653790384
2011-01-01	676594653773
2011-04-01	695742838433