Quarter	National Currency
1970-01-01	15959971295
1970-04-01	16805091165
1970-07-01	16862269821
1970-10-01	19144714245
1971-01-01	18147887212
1971-04-01	19076985011
1971-07-01	19266543514
1971-10-01	21434077369
1972-01-01	20387211366
1972-04-01	21244149686
1972-07-01	21626411583
1972-10-01	24106044555
1973-01-01	23134221585
1973-04-01	24081141927
1973-07-01	24659624898
1973-10-01	27545254621
1974-01-01	25149717728
1974-04-01	27135980293
1974-07-01	27534013598
1974-10-01	30390415399
1975-01-01	27422092140
1975-04-01	28674068119
1975-07-01	29275826821
1975-10-01	32199068018
1976-01-01	29541098159
1976-04-01	30774402713
1976-07-01	31868571396
1976-10-01	34996140543
1977-01-01	31532200118
1977-04-01	32802914313
1977-07-01	34030618825
1977-10-01	37294574467
1978-01-01	33885908550
1978-04-01	34865669024
1978-07-01	36981804633
1978-10-01	40362426716
1979-01-01	36521217785
1979-04-01	37768542263
1979-07-01	39791945134
1979-10-01	43429376562
1980-01-01	39293653355
1980-04-01	41172596546
1980-07-01	43374169633
1980-10-01	47161294791
1981-01-01	41988492607
1981-04-01	43300567503
1981-07-01	46171887657
1981-10-01	49692517199
1982-01-01	43838187433
1982-04-01	45003977341
1982-07-01	47874581725
1982-10-01	51543027899
1983-01-01	45159576265
1983-04-01	45682353086
1983-07-01	49151302632
1983-10-01	53381573007
1984-01-01	47801800641
1984-04-01	47213235072
1984-07-01	51307241891
1984-10-01	55719800969
1985-01-01	49018355893
1985-04-01	49581283878
1985-07-01	53291813220
1985-10-01	58453081172
1986-01-01	51461970440
1986-04-01	52005920766
1986-07-01	56403150847
1986-10-01	61543289363
1987-01-01	53458058258
1987-04-01	54723829531
1987-07-01	59299593391
1987-10-01	64844447985
1988-01-01	56391921513
1988-04-01	57401317346
1988-07-01	62478024070
1988-10-01	67990177435
1989-01-01	59576479012
1989-04-01	60344515708
1989-07-01	66229464736
1989-10-01	71930639321
1990-01-01	64164178891
1990-04-01	65975634093
1990-07-01	71755982852
1990-10-01	79746293505
1991-01-01	69886497626
1991-04-01	72812262377
1991-07-01	81085618910
1991-10-01	89991390672
1992-01-01	78440305405
1992-04-01	81565226992
1992-07-01	90416703414
1992-10-01	98930689199
1993-01-01	84610396700
1993-04-01	86467975232
1993-07-01	94580441296
1993-10-01	104138783976
1994-01-01	88505774521
1994-04-01	89946849371
1994-07-01	97424742010
1994-10-01	107467581144
1995-01-01	91842953912
1995-04-01	94332325689
1995-07-01	102772417648
1995-10-01	112530158298
1996-01-01	95314488303
1996-04-01	96145854216
1996-07-01	104714205806
1996-10-01	115084519846
1997-01-01	97616868087
1997-04-01	98279133721
1997-07-01	106643973570
1997-10-01	116635612868
1998-01-01	99529008367
1998-04-01	101392623085
1998-07-01	110555808581
1998-10-01	121095270922
1999-01-01	102784617114
1999-04-01	105646115249
1999-07-01	115522506364
1999-10-01	126854104671
2000-01-01	108546549349
2000-04-01	111307674075
2000-07-01	121425933095
2000-10-01	133013220359
2001-01-01	112629316067
2001-04-01	114824644374
2001-07-01	124573978496
2001-10-01	135930565910
2002-01-01	114914639247
2002-04-01	116011884557
2002-07-01	126202784484
2002-10-01	136819390086
2003-01-01	116908092083
2003-04-01	117935953197
2003-07-01	127071124793
2003-10-01	138554523066
2004-01-01	118066231096
2004-04-01	119637768878
2004-07-01	128783457192
2004-10-01	139450979862
2005-01-01	119830489078
2005-04-01	121107510041
2005-07-01	129969293022
2005-10-01	140562919858
2006-01-01	119929071838
2006-04-01	122542628526
2006-07-01	132604229671
2006-10-01	144155393456
2007-01-01	124729431558
2007-04-01	127607831688
2007-07-01	137131985138
2007-10-01	149947313559
2008-01-01	129235560215
2008-04-01	131777958317
2008-07-01	144859952177
2008-10-01	156001572006
2009-01-01	132560190055
2009-04-01	134580617952
2009-07-01	143917636462
2009-10-01	156090654930
2010-01-01	133765327640
2010-04-01	136711886010
2010-07-01	148380294917
2010-10-01	160700799459
2011-01-01	139142355405