Quarter	National Currency
1970-01-01	20934635861
1970-04-01	21212544948
1970-07-01	21719452603
1970-10-01	22241757513
1971-01-01	22773480553
1971-04-01	23196278566
1971-07-01	23668986485
1971-10-01	23901824095
1972-01-01	24298869780
1972-04-01	24779672829
1972-07-01	25377392276
1972-10-01	25958286619
1973-01-01	26990325868
1973-04-01	27961498724
1973-07-01	28885784310
1973-10-01	29466607185
1974-01-01	30011320121
1974-04-01	30998148516
1974-07-01	31327579846
1974-10-01	31031290044
1975-01-01	30640147705
1975-04-01	30807474920
1975-07-01	31092512406
1975-10-01	31440883442
1976-01-01	32156630663
1976-04-01	33196443603
1976-07-01	34067667374
1976-10-01	34671890479
1977-01-01	35159983638
1977-04-01	35971219446
1977-07-01	36658168639
1977-10-01	36988352178
1978-01-01	37191306758
1978-04-01	37924007301
1978-07-01	38738129913
1978-10-01	39257565386
1979-01-01	39942444767
1979-04-01	40959384644
1979-07-01	41918649570
1979-10-01	42669111371
1980-01-01	43425666588
1980-04-01	44686654065
1980-07-01	45383121903
1980-10-01	45607622753
1981-01-01	45617755924
1981-04-01	45929310029
1981-07-01	46525173741
1981-10-01	46629970603
1982-01-01	46765358476
1982-04-01	47195719024
1982-07-01	47464981835
1982-10-01	47375827896
1983-01-01	47140229297
1983-04-01	47533629213
1983-07-01	47983111350
1983-10-01	48403335780
1984-01-01	48775388990
1984-04-01	49413808013
1984-07-01	50305958659
1984-10-01	50845661228
1985-01-01	51282456385
1985-04-01	52284259196
1985-07-01	53099778682
1985-10-01	53665205721
1986-01-01	54181283778
1986-04-01	54825739531
1986-07-01	55963105650
1986-10-01	56419835841
1987-01-01	56794325513
1987-04-01	57439991638
1987-07-01	58191612604
1987-10-01	58600090166
1988-01-01	58947200563
1988-04-01	59717956880
1988-07-01	60361480591
1988-10-01	60599928853
1989-01-01	60909907856
1989-04-01	62031826633
1989-07-01	63548224102
1989-10-01	65071271379
1990-01-01	67012312250
1990-04-01	68183771909
1990-07-01	69053301281
1990-10-01	68122276653
1991-01-01	71208748502
1991-04-01	72782106018
1991-07-01	71640677414
1991-10-01	76282646694
1992-01-01	73490466160
1992-04-01	76581960230
1992-07-01	76567864724
1992-10-01	79907132424
1993-01-01	72832871708
1993-04-01	74023748807
1993-07-01	73013097327
1993-10-01	76655231204
1994-01-01	72186227646
1994-04-01	73944149385
1994-07-01	73522369736
1994-10-01	78058197989
1995-01-01	74109354841
1995-04-01	76550409177
1995-07-01	75559757542
1995-10-01	79814536887
1996-01-01	74786265153
1996-04-01	76346755552
1996-07-01	75152999714
1996-10-01	78920782726
1997-01-01	74611509832
1997-04-01	76642498277
1997-07-01	75604152548
1997-10-01	79919746116
1998-01-01	75930591465
1998-04-01	78657045732
1998-07-01	77349447170
1998-10-01	81729518520
1999-01-01	76673655140
1999-04-01	79110190872
1999-07-01	77831677366
1999-10-01	82539028881
2000-01-01	79877361738
2000-04-01	83327296183
2000-07-01	82089230113
2000-10-01	86650638402
2001-01-01	83032382914
2001-04-01	85528446614
2001-07-01	83443269808
2001-10-01	87143638177
2002-01-01	82712839029
2002-04-01	85063625505
2002-07-01	83096753363
2002-10-01	86259273382
2003-01-01	82074419819
2003-04-01	84409669933
2003-07-01	82615242692
2003-10-01	86075763429
2004-01-01	82722312645
2004-04-01	84913708671
2004-07-01	82740952429
2004-10-01	86108881299
2005-01-01	81695905174
2005-04-01	83854904934
2005-07-01	81911129368
2005-10-01	85894266749
2006-01-01	83377491689
2006-04-01	86445233911
2006-07-01	84980409519
2006-10-01	88463362862
2007-01-01	84658706589
2007-04-01	88197905292
2007-07-01	86267095823
2007-10-01	90964329553
2008-01-01	88451966024
2008-04-01	91961222101
2008-07-01	89144344628
2008-10-01	92020312747
2009-01-01	85407258068
2009-04-01	86508563442
2009-07-01	83696449188
2009-10-01	87208688396
2010-01-01	84647587555
2010-04-01	88347132883
2010-07-01	86354932381
2010-10-01	90552629211
2011-01-01	87701867192