Quarter	National Currency
1980-01-01	398677013311
1980-04-01	407508992041
1980-07-01	411129113287
1980-10-01	441323868418
1981-01-01	439877034410
1981-04-01	455814749232
1981-07-01	446423338884
1981-10-01	475471273528
1982-01-01	446718631316
1982-04-01	453125144758
1982-07-01	451069504230
1982-10-01	454693468830
1983-01-01	430465565208
1983-04-01	425376770278
1983-07-01	426577809261
1983-10-01	439612461720
1984-01-01	443671924947
1984-04-01	436564992062
1984-07-01	446976935359
1984-10-01	454469229783
1985-01-01	456025972383
1985-04-01	447011973148
1985-07-01	454215649706
1985-10-01	457289300349
1986-01-01	431509570986
1986-04-01	442319979632
1986-07-01	427596186206
1986-10-01	438501544653
1987-01-01	431333846765
1987-04-01	444242681811
1987-07-01	432870196933
1987-10-01	458162120108
1988-01-01	443207734474
1988-04-01	451520889623
1988-07-01	437516945066
1988-10-01	465458025482
1989-01-01	456552225049
1989-04-01	475330751487
1989-07-01	461931907586
1989-10-01	483292834524
1990-01-01	477273061085
1990-04-01	494863518114
1990-07-01	486804117194
1990-10-01	515515042930
1991-01-01	495773088279
1991-04-01	528185534357
1991-07-01	510722924372
1991-10-01	541339513356
1992-01-01	531477586696
1992-04-01	550001258365
1992-07-01	540022770370
1992-10-01	560563969126
1993-01-01	542680015546
1993-04-01	553750994841
1993-07-01	561757676659
1993-10-01	576676686842
1994-01-01	567113303705
1994-04-01	594663510046
1994-07-01	601693641729
1994-10-01	622565892846
1995-01-01	562738918387
1995-04-01	529643310437
1995-07-01	536667057230
1995-10-01	553241893976
1996-01-01	543559925347
1996-04-01	555626870990
1996-07-01	571198245769
1996-10-01	600507178077
1997-01-01	569518046618
1997-04-01	611126741191
1997-07-01	626243912365
1997-10-01	656609876453
1998-01-01	628933577743
1998-04-01	647030214889
1998-07-01	660533144141
1998-10-01	665299028661
1999-01-01	636022807825
1999-04-01	668552412014
1999-07-01	690681575330
1999-10-01	720663476287
2000-01-01	706324229111
2000-04-01	737215143017
2000-07-01	760329968505
2000-10-01	773473742161
2001-01-01	736173065932
2001-04-01	757497911983
2001-07-01	761149713349
2001-10-01	767698023608
2002-01-01	719803558800
2002-04-01	776983520705
2002-07-01	778752266589
2002-10-01	793837709394
2003-01-01	764339648324
2003-04-01	786439286396
2003-07-01	791914096650
2003-10-01	820335316382
2004-01-01	801761576695
2004-04-01	831176742179
2004-07-01	848058540854
2004-10-01	875864195569
2005-01-01	838173170805
2005-04-01	875685131300
2005-07-01	883415690583
2005-10-01	917722007332
2006-01-01	900083591364
2006-04-01	935232236574
2006-07-01	939840649472
2006-10-01	959101822803
2007-01-01	936736970794
2007-04-01	978655551844
2007-07-01	994817813438
2007-10-01	1010860800000
2008-01-01	979604597733
2008-04-01	1017608600000
2008-07-01	1023373300000
2008-10-01	993657011917
2009-01-01	874408459502
2009-04-01	895521669283
2009-07-01	952767276556
2009-10-01	974790192670
2010-01-01	941594566601
2010-04-01	991492782963
2010-07-01	1010730000000
2010-10-01	1037846800000
2011-01-01	997346984826
2011-04-01	1038955600000
2011-07-01	1071618900000