Quarter	National Currency
1980-01-01	28081507085
1980-04-01	28464457120
1980-07-01	27097916459
1980-10-01	28033320312
1981-01-01	26663076424
1981-04-01	27897424446
1981-07-01	26771232268
1981-10-01	28016928117
1982-01-01	26705870240
1982-04-01	27849169104
1982-07-01	26932697273
1982-10-01	28154785502
1983-01-01	26933919887
1983-04-01	27783434883
1983-07-01	27024822819
1983-10-01	28525799591
1984-01-01	27806311265
1984-04-01	28447064753
1984-07-01	27736671008
1984-10-01	29452763077
1985-01-01	28380944927
1985-04-01	29357790607
1985-07-01	28817802070
1985-10-01	30296218549
1986-01-01	28937434958
1986-04-01	29851743050
1986-07-01	29255154457
1986-10-01	30037100043
1987-01-01	28863595038
1987-04-01	29912641422
1987-07-01	29433861519
1987-10-01	31193874322
1988-01-01	30736685653
1988-04-01	31648345969
1988-07-01	31031399281
1988-10-01	32751654935
1989-01-01	31864509647
1989-04-01	32748070169
1989-07-01	31756481994
1989-10-01	33966124848
1990-01-01	33350200308
1990-04-01	34098616615
1990-07-01	33028423576
1990-10-01	35225319032
1991-01-01	33789745944
1991-04-01	34837957343
1991-07-01	33714979946
1991-10-01	35703694987
1992-01-01	35150569196
1992-04-01	35035220735
1992-07-01	33864425464
1992-10-01	35084888522
1993-01-01	33402261147
1993-04-01	34176008548
1993-07-01	32990359187
1993-10-01	34950347883
1994-01-01	33889583467
1994-04-01	35253146838
1994-07-01	33935500871
1994-10-01	36473703869
1995-01-01	35486957333
1995-04-01	36396682701
1995-07-01	35020531079
1995-10-01	37103297483
1996-01-01	35587090893
1996-04-01	36382261860
1996-07-01	35573322238
1996-10-01	37447530480
1997-01-01	36546510634
1997-04-01	37914518108
1997-07-01	37605699411
1997-10-01	38982400996
1998-01-01	37685964818
1998-04-01	38678212470
1998-07-01	37698147420
1998-10-01	39127406897
1999-01-01	38077170340
1999-04-01	39601407592
1999-07-01	38891725225
1999-10-01	41205431362
2000-01-01	39833426111
2000-04-01	40969111565
2000-07-01	40079023772
2000-10-01	42276850982
2001-01-01	41049637016
2001-04-01	41688132394
2001-07-01	40418006792
2001-10-01	42655781224
2002-01-01	40821609010
2002-04-01	42595922314
2002-07-01	41322965768
2002-10-01	43068422225
2003-01-01	41543382511
2003-04-01	42389821831
2003-07-01	41715231220
2003-10-01	44051433259
2004-01-01	42468563791
2004-04-01	43850294021
2004-07-01	42963115690
2004-10-01	45383583389
2005-01-01	42808826949
2005-04-01	44686722490
2005-07-01	43661470335
2005-10-01	46226330223
2006-01-01	44503546816
2006-04-01	45829542372
2006-07-01	44431618583
2006-10-01	47439066064
2007-01-01	45972893776
2007-04-01	47226817290
2007-07-01	46000976431
2007-10-01	49245752484
2008-01-01	47046449936
2008-04-01	48352738824
2008-07-01	46723883250
2008-10-01	48064711805
2009-01-01	44221718993
2009-04-01	45466671226
2009-07-01	44721981044
2009-10-01	47202280953
2010-01-01	44825465050
2010-04-01	46777995740
2010-07-01	45692583756
2010-10-01	48631223544
2011-01-01	46622186658