Quarter	National Currency
1980-01-01	199099191652
1980-04-01	187883301895
1980-07-01	177638203410
1980-10-01	207335844520
1981-01-01	194058503391
1981-04-01	191676541488
1981-07-01	175224835782
1981-10-01	206306219836
1982-01-01	191069805417
1982-04-01	195077705945
1982-07-01	176541051946
1982-10-01	215659933359
1983-01-01	193864416067
1983-04-01	199219964280
1983-07-01	182079309623
1983-10-01	224069364829
1984-01-01	211542241149
1984-04-01	207653249578
1984-07-01	190147857314
1984-10-01	232429767549
1985-01-01	214064081008
1985-04-01	216447136749
1985-07-01	198844801389
1985-10-01	233511007095
1986-01-01	217597995550
1986-04-01	224199757188
1986-07-01	202566271689
1986-10-01	242484098305
1987-01-01	225326867578
1987-04-01	231983595141
1987-07-01	213551072072
1987-10-01	253810102757
1988-01-01	237559230264
1988-04-01	240368054858
1988-07-01	217149756802
1988-10-01	261773627560
1989-01-01	241286927760
1989-04-01	247329741137
1989-07-01	222841361295
1989-10-01	266648910408
1990-01-01	248753698170
1990-04-01	250456153826
1990-07-01	227655386459
1990-10-01	268271770097
1991-01-01	250364922502
1991-04-01	248872013066
1991-07-01	223423392167
1991-10-01	256332223825
1992-01-01	244410201565
1992-04-01	241861272688
1992-07-01	218802043545
1992-10-01	248209614342
1993-01-01	231312493044
1993-04-01	242839936266
1993-07-01	227433494115
1993-10-01	253759441024
1994-01-01	242303044879
1994-04-01	257419413904
1994-07-01	242796216965
1994-10-01	278469729409
1995-01-01	267062811477
1995-04-01	276655484604
1995-07-01	256555001181
1995-10-01	291636697472
1996-01-01	276642933400
1996-04-01	284166865155
1996-07-01	262982552305
1996-10-01	295206170268
1997-01-01	275542441826
1997-04-01	301652568939
1997-07-01	276141489399
1997-10-01	316059813966
1998-01-01	294165331913
1998-04-01	317475333329
1998-07-01	292138920067
1998-10-01	328814661864
1999-01-01	312385780083
1999-04-01	333588749906
1999-07-01	306368041879
1999-10-01	351610566723
2000-01-01	330296377108
2000-04-01	355308193252
2000-07-01	326575131485
2000-10-01	372854745499
2001-01-01	338047891290
2001-04-01	355756962812
2001-07-01	328881722124
2001-10-01	375590244608
2002-01-01	342100758768
2002-04-01	369500386656
2002-07-01	340165895303
2002-10-01	383123675119
2003-01-01	359129748177
2003-04-01	375075733262
2003-07-01	352205913927
2003-10-01	391726560913
2004-01-01	376655168762
2004-04-01	398712140577
2004-07-01	373207637428
2004-10-01	419513227072
2005-01-01	387187882288
2005-04-01	417402021162
2005-07-01	392483123994
2005-10-01	435566472587
2006-01-01	412779446634
2006-04-01	437598628514
2006-07-01	412290221757
2006-10-01	458756443753
2007-01-01	436008566277
2007-04-01	454118146238
2007-07-01	425636183860
2007-10-01	477751122528
2008-01-01	437843801935
2008-04-01	463836331149
2008-07-01	427270461357
2008-10-01	443003095702
2009-01-01	390063087957
2009-04-01	411998658606
2009-07-01	384592906117
2009-10-01	430985592905
2010-01-01	407004067886
2010-04-01	443228624213
2010-07-01	423522695967
2010-10-01	481510677553
2011-01-01	451036243358
2011-04-01	476260296456