Quarter	National Currency
1980-01-01	41204221012
1980-04-01	41944565491
1980-07-01	40476133007
1980-10-01	41704338800
1981-01-01	40046876572
1981-04-01	42046477128
1981-07-01	40896201767
1981-10-01	42294493857
1982-01-01	40530009185
1982-04-01	42250930125
1982-07-01	41266247077
1982-10-01	42514554967
1983-01-01	40772907237
1983-04-01	42100051317
1983-07-01	41400943037
1983-10-01	43097295877
1984-01-01	42178107830
1984-04-01	43234948787
1984-07-01	42381560044
1984-10-01	44261092781
1985-01-01	42460320941
1985-04-01	43910331278
1985-07-01	43303922853
1985-10-01	45065686957
1986-01-01	43313647218
1986-04-01	44746588006
1986-07-01	44171076213
1986-10-01	45263469466
1987-01-01	43492878848
1987-04-01	45107446942
1987-07-01	44721268918
1987-10-01	46827599460
1988-01-01	45950874156
1988-04-01	47385703468
1988-07-01	46756099406
1988-10-01	48879804054
1989-01-01	47595755592
1989-04-01	49037815843
1989-07-01	47904771081
1989-10-01	50643915585
1990-01-01	49544386051
1990-04-01	50771350564
1990-07-01	49507553606
1990-10-01	52369589775
1991-01-01	50231303846
1991-04-01	52037788120
1991-07-01	50797200811
1991-10-01	53367620577
1992-01-01	52219125981
1992-04-01	52631651643
1992-07-01	51349015536
1992-10-01	52918672783
1993-01-01	50517241435
1993-04-01	52150766182
1993-07-01	50723590776
1993-10-01	53258672248
1994-01-01	51541085000
1994-04-01	53576605778
1994-07-01	52052545239
1994-10-01	55289389203
1995-01-01	53716182677
1995-04-01	55558934906
1995-07-01	53239574110
1995-10-01	56460409394
1996-01-01	54170351026
1996-04-01	55836348098
1996-07-01	54127828951
1996-10-01	57044650057
1997-01-01	55313364426
1997-04-01	57802453382
1997-07-01	56676364767
1997-10-01	59178412583
1998-01-01	57041397741
1998-04-01	59115228453
1998-07-01	57323001590
1998-10-01	59814025572
1999-01-01	57965572764
1999-04-01	60738340607
1999-07-01	59274748404
1999-10-01	62965205540
2000-01-01	60717778270
2000-04-01	62994438845
2000-07-01	61290350293
2000-10-01	64469591227
2001-01-01	62307234856
2001-04-01	63849682714
2001-07-01	61671679295
2001-10-01	64948274656
2002-01-01	62193019041
2002-04-01	65189939724
2002-07-01	62962208810
2002-10-01	65509182755
2003-01-01	63068214711
2003-04-01	64914387212
2003-07-01	63450714254
2003-10-01	66872917907
2004-01-01	64339698131
2004-04-01	66908378356
2004-07-01	65222895296
2004-10-01	68782266273
2005-01-01	65122570093
2005-04-01	68258392451
2005-07-01	66370961864
2005-10-01	70088075592
2006-01-01	67459147391
2006-04-01	69951072859
2006-07-01	67583989274
2006-10-01	71733881909
2007-01-01	69276827484
2007-04-01	71658820872
2007-07-01	69532153243
2007-10-01	74202261126
2008-01-01	70781502592
2008-04-01	73411479137
2008-07-01	70889792532
2008-10-01	73249217061
2009-01-01	68110304366
2009-04-01	70551857198
2009-07-01	68953754493
2009-10-01	72656278895
2010-01-01	69112892914
2010-04-01	72315772769
2010-07-01	70307834307
2010-10-01	74434429793
2011-01-01	71407331631