Quarter	National Currency
1981-01-01	43795351870
1981-04-01	44707740767
1981-07-01	37661675387
1981-10-01	43036858647
1982-01-01	43708775899
1982-04-01	44034532120
1982-07-01	37302546206
1982-10-01	42091915499
1983-01-01	42965336184
1983-04-01	43325000437
1983-07-01	37935015588
1983-10-01	43092838817
1984-01-01	44529568094
1984-04-01	44723103293
1984-07-01	38977267468
1984-10-01	44830420469
1985-01-01	45315128023
1985-04-01	46661965245
1985-07-01	40938283333
1985-10-01	45826284643
1986-01-01	46196533219
1986-04-01	47884260933
1986-07-01	41814713206
1986-10-01	47121359464
1987-01-01	46983184697
1987-04-01	49972398136
1987-07-01	43173114465
1987-10-01	49473057821
1988-01-01	51132031037
1988-04-01	52575193375
1988-07-01	46151328805
1988-10-01	52676422611
1989-01-01	53630592028
1989-04-01	55257409051
1989-07-01	48064336195
1989-10-01	54645930588
1990-01-01	55353963053
1990-04-01	55742560998
1990-07-01	48626916260
1990-10-01	54467107234
1991-01-01	54685870495
1991-04-01	55168157297
1991-07-01	48950513686
1991-10-01	54732881374
1992-01-01	55135263220
1992-04-01	56188631719
1992-07-01	48156420036
1992-10-01	53598404780
1993-01-01	52841858437
1993-04-01	54308319617
1993-07-01	47188454686
1993-10-01	53629160129
1994-01-01	54442919298
1994-04-01	57908400298
1994-07-01	51618552812
1994-10-01	57896880482
1995-01-01	59215103449
1995-04-01	60261650627
1995-07-01	53423252931
1995-10-01	59469805634
1996-01-01	60088409287
1996-04-01	59780025159
1996-07-01	53062812896
1996-10-01	58333858601
1997-01-01	57418938133
1997-04-01	61335027258
1997-07-01	54810157562
1997-10-01	61086647332
1998-01-01	59850169725
1998-04-01	62130494045
1998-07-01	54990388851
1998-10-01	59864486681
1999-01-01	58548741303
1999-04-01	60913447613
1999-07-01	54983036965
1999-10-01	61706421658
2000-01-01	61900388776
2000-04-01	63925086855
2000-07-01	56969492755
2000-10-01	63452440780
2001-01-01	63927252446
2001-04-01	63545988251
2001-07-01	56301559278
2001-10-01	61690628950
2002-01-01	61395333311
2002-04-01	62746581231
2002-07-01	56661654574
2002-10-01	61911560667
2003-01-01	60050273841
2003-04-01	60368296236
2003-07-01	55057435648
2003-10-01	60747252286
2004-01-01	60124382553
2004-04-01	61797665755
2004-07-01	55360036313
2004-10-01	60653397006
2005-01-01	58397559069
2005-04-01	62107156052
2005-07-01	56029376363
2005-10-01	60813466104
2006-01-01	61206075637
2006-04-01	62954280957
2006-07-01	57334195818
2006-10-01	63836077750
2007-01-01	64208444324
2007-04-01	65083054218
2007-07-01	58659917076
2007-10-01	62560854967
2008-01-01	62705508566
2008-04-01	63988858530
2008-07-01	55832902471
2008-10-01	56097397417
2009-01-01	49876422800
2009-04-01	50928236246
2009-07-01	48063295434
2009-10-01	51460081373
2010-01-01	51442329386
2010-04-01	54764265483
2010-07-01	49879539779
2010-10-01	53287844171
2011-01-01	52305995117
2011-04-01	55862130116