Quarter	National Currency
1981-01-01	197726771066
1981-04-01	210216320828
1981-07-01	210076674491
1981-10-01	217914854013
1982-01-01	201099727901
1982-04-01	211891068371
1982-07-01	210772963823
1982-10-01	216300849331
1983-01-01	201460625845
1983-04-01	211515724541
1983-07-01	213692806524
1983-10-01	223916067650
1984-01-01	210220447690
1984-04-01	220057402135
1984-07-01	221121122310
1984-10-01	227355285144
1985-01-01	213973465914
1985-04-01	226967054807
1985-07-01	227828511875
1985-10-01	235198299092
1986-01-01	220911831249
1986-04-01	233093774561
1986-07-01	234054469823
1986-10-01	240694865883
1987-01-01	227316966212
1987-04-01	242059038956
1987-07-01	240796963139
1987-10-01	248564015060
1988-01-01	239141766182
1988-04-01	250502786172
1988-07-01	250657788812
1988-10-01	258848775393
1989-01-01	248617075032
1989-04-01	259810398478
1989-07-01	258040340428
1989-10-01	267151135297
1990-01-01	256764837898
1990-04-01	266130011645
1990-07-01	263288324433
1990-10-01	267935185440
1991-01-01	257979261125
1991-04-01	268681600047
1991-07-01	267744854514
1991-10-01	274887175564
1992-01-01	263442495423
1992-04-01	272249064898
1992-07-01	268568177668
1992-10-01	272739181101
1993-01-01	259315891071
1993-04-01	270522694818
1993-07-01	266544174909
1993-10-01	274217230018
1994-01-01	262978454941
1994-04-01	275367253870
1994-07-01	274535159625
1994-10-01	282000580925
1995-01-01	273083012385
1995-04-01	282592370668
1995-07-01	281446223628
1995-10-01	287904408148
1996-01-01	277704918022
1996-04-01	286206860741
1996-07-01	284342679418
1996-10-01	288817137611
1997-01-01	275878157690
1997-04-01	291856573173
1997-07-01	289509112657
1997-10-01	297906697317
1998-01-01	282919312393
1998-04-01	296143811301
1998-07-01	293295813262
1998-10-01	297116565959
1999-01-01	283433727377
1999-04-01	297891659600
1999-07-01	295813864426
1999-10-01	306176023478
2000-01-01	295128605989
2000-04-01	308738876450
2000-07-01	307093683771
2000-10-01	316634468512
2001-01-01	305452624725
2001-04-01	316124907705
2001-07-01	310745610432
2001-10-01	317728933356
2002-01-01	304131503925
2002-04-01	318664929423
2002-07-01	313563464381
2002-10-01	321035693769
2003-01-01	304936749434
2003-04-01	316270392095
2003-07-01	311563293233
2003-10-01	320505411577
2004-01-01	308443484998
2004-04-01	323251477084
2004-07-01	318286266253
2004-10-01	324948377312
2005-01-01	310293826834
2005-04-01	326056626302
2005-07-01	320906416465
2005-10-01	327187392406
2006-01-01	317777733099
2006-04-01	331089416184
2006-07-01	326217274186
2006-10-01	335168808403
2007-01-01	325130439156
2007-04-01	337567991559
2007-07-01	332148586271
2007-10-01	336620683523
2008-01-01	326085610409
2008-04-01	336314255221
2008-07-01	328191670114
2008-10-01	325213239979
2009-01-01	302119255101
2009-04-01	312106965824
2009-07-01	312786935785
2009-10-01	314467487455
2010-01-01	305512415384
2010-04-01	318152701659
2010-07-01	317164862191
2010-10-01	319052489989
2011-01-01	308833798598
2011-04-01	321010803184