Quarter	National Currency
1988-01-01	21613524872
1988-04-01	23751093705
1988-07-01	25186731796
1988-10-01	25768918878
1989-01-01	23153616640
1989-04-01	24789192077
1989-07-01	26089856945
1989-10-01	26568666260
1990-01-01	24219476855
1990-04-01	26086789521
1990-07-01	27312545964
1990-10-01	28086811614
1991-01-01	24894224470
1991-04-01	26921141811
1991-07-01	28647471691
1991-10-01	29047484182
1992-01-01	25757958000
1992-04-01	27584834075
1992-07-01	28837415292
1992-10-01	29477867537
1993-01-01	25355710924
1993-04-01	27516979391
1993-07-01	29124890685
1993-10-01	29439001404
1994-01-01	26695356732
1994-04-01	27756917628
1994-07-01	29344405950
1994-10-01	30324486450
1995-01-01	27789786904
1995-04-01	29236689353
1995-07-01	30579283758
1995-10-01	30716769802
1996-01-01	28402796688
1996-04-01	29876270664
1996-07-01	31203207634
1996-10-01	31571982893
1997-01-01	28855102641
1997-04-01	30320019578
1997-07-01	31976290039
1997-10-01	32857605791
1998-01-01	30155709544
1998-04-01	31951870179
1998-07-01	33206357754
1998-10-01	33724283834
1999-01-01	31065091098
1999-04-01	32863449810
1999-07-01	34561506076
1999-10-01	35110448528
2000-01-01	32967844676
2000-04-01	34188434652
2000-07-01	35865711731
2000-10-01	36848019063
2001-01-01	34371063540
2001-04-01	34776142668
2001-07-01	35993390112
2001-10-01	36586876543
2002-01-01	34657400787
2002-04-01	35560915526
2002-07-01	36783482515
2002-10-01	37454385129
2003-01-01	34886683581
2003-04-01	35633935897
2003-07-01	37244885103
2003-10-01	37873239246
2004-01-01	35662238766
2004-04-01	36686904466
2004-07-01	38399870323
2004-10-01	39017193507
2005-01-01	36232723719
2005-04-01	37989065276
2005-07-01	39075550482
2005-10-01	40581299377
2006-01-01	38009688379
2006-04-01	39195024934
2006-07-01	40761526806
2006-10-01	42865465707
2007-01-01	40250074223
2007-04-01	41201494934
2007-07-01	42390033924
2007-10-01	44168329688
2008-01-01	41895862209
2008-04-01	42577176006
2008-07-01	43410258751
2008-10-01	43916556905
2009-01-01	38666405729
2009-04-01	39157209406
2009-07-01	40991635263
2009-10-01	42936669949
2010-01-01	38549193954
2010-04-01	40176811529
2010-07-01	42212490772
2010-10-01	44668786355
2011-01-01	40881109702
2011-04-01	42391704035