Quarter	National Currency
1988-01-01	32849930633
1988-04-01	35638142607
1988-07-01	36983993896
1988-10-01	37334678624
1989-01-01	34755860261
1989-04-01	36936091550
1989-07-01	38049269947
1989-10-01	38403171953
1990-01-01	36241411986
1990-04-01	38681024546
1990-07-01	39698280022
1990-10-01	40278199638
1991-01-01	37231864306
1991-04-01	39747925283
1991-07-01	41372759216
1991-10-01	41553457197
1992-01-01	38360811360
1992-04-01	40793195485
1992-07-01	41810945906
1992-10-01	42159443768
1993-01-01	38207878470
1993-04-01	40829470695
1993-07-01	42290354665
1993-10-01	42417673109
1994-01-01	39809870853
1994-04-01	41285325215
1994-07-01	42668792573
1994-10-01	43615133136
1995-01-01	41192743563
1995-04-01	43169023971
1995-07-01	44345904383
1995-10-01	44365604588
1996-01-01	42038850180
1996-04-01	43998537255
1996-07-01	45143012296
1996-10-01	45402114448
1997-01-01	42932460749
1997-04-01	45024204856
1997-07-01	46569378746
1997-10-01	47443353399
1998-01-01	44648245877
1998-04-01	47153889169
1998-07-01	48259500935
1998-10-01	48704840426
1999-01-01	45881532876
1999-04-01	48390526752
1999-07-01	50018551437
1999-10-01	50568085053
2000-01-01	48095392712
2000-04-01	49931941409
2000-07-01	51488986279
2000-10-01	52437235112
2001-01-01	49757958354
2001-04-01	50635079062
2001-07-01	51660288852
2001-10-01	52138882806
2002-01-01	50202253818
2002-04-01	51643884501
2002-07-01	52669079045
2002-10-01	53179911654
2003-01-01	50627539065
2003-04-01	51879680281
2003-07-01	53387470681
2003-10-01	53942370845
2004-01-01	51711366079
2004-04-01	53402932082
2004-07-01	54974962781
2004-10-01	55449234598
2005-01-01	52638580648
2005-04-01	55005049239
2005-07-01	55956872067
2005-10-01	57473104045
2006-01-01	54873341617
2006-04-01	56621115734
2006-07-01	58144190904
2006-10-01	60317557745
2007-01-01	57682141081
2007-04-01	59139911659
2007-07-01	60104434133
2007-10-01	61786831084
2008-01-01	59371874849
2008-04-01	60552495570
2008-07-01	61112331493
2008-10-01	61469771015
2009-01-01	55827795798
2009-04-01	56921056880
2009-07-01	58782720222
2009-10-01	60808436385
2010-01-01	55983263070
2010-04-01	58377255486
2010-07-01	60409912712
2010-10-01	62881919236
2011-01-01	58594228315
2011-04-01	60868552277