Quarter	National Currency
1988-01-01	20296810694
1988-04-01	21332791757
1988-07-01	21084221180
1988-10-01	21931719483
1989-01-01	21383133461
1989-04-01	22588257869
1989-07-01	22270412055
1989-10-01	23238613214
1990-01-01	22740914890
1990-04-01	24263965990
1990-07-01	23956975382
1990-10-01	24987249553
1991-01-01	24571593266
1991-04-01	26102537638
1991-07-01	25793013738
1991-10-01	26902215609
1992-01-01	26347391964
1992-04-01	27877408271
1992-07-01	27397288362
1992-10-01	28216854459
1993-01-01	27191975580
1993-04-01	28466201851
1993-07-01	27934890001
1993-10-01	28859782273
1994-01-01	27845675028
1994-04-01	29275210905
1994-07-01	28701962771
1994-10-01	29391377259
1995-01-01	27974493828
1995-04-01	29256720265
1995-07-01	28692740617
1995-10-01	29572060393
1996-01-01	28197516811
1996-04-01	29832906849
1996-07-01	29487437564
1996-10-01	30406808774
1997-01-01	28687852150
1997-04-01	30410048642
1997-07-01	29985222287
1997-10-01	30979983775
1998-01-01	29654863979
1998-04-01	31526009098
1998-07-01	31039087227
1998-10-01	32079048578
1999-01-01	30726265689
1999-04-01	32588432432
1999-07-01	32131839222
1999-10-01	33275724837
2000-01-01	31955568906
2000-04-01	33883438585
2000-07-01	33227272502
2000-10-01	34188486984
2001-01-01	32660032782
2001-04-01	34450238639
2001-07-01	33717440214
2001-10-01	34656414331
2002-01-01	33186135409
2002-04-01	35156829124
2002-07-01	34451073104
2002-10-01	35295567638
2003-01-01	33976831373
2003-04-01	35880034876
2003-07-01	35166160145
2003-10-01	36138448324
2004-01-01	34547062501
2004-04-01	36580050373
2004-07-01	35815067955
2004-10-01	36845170899
2005-01-01	35486470584
2005-04-01	37635855633
2005-07-01	36929127570
2005-10-01	38108467045
2006-01-01	36937015304
2006-04-01	39401082432
2006-07-01	38740252616
2006-10-01	40069557266
2007-01-01	38840022782
2007-04-01	41145898233
2007-07-01	40356754651
2007-10-01	41690116745
2008-01-01	40932001308
2008-04-01	43302222450
2008-07-01	42250715305
2008-10-01	43261338530
2009-01-01	41533311375
2009-04-01	43534618309
2009-07-01	42415015904
2009-10-01	43476205912
2010-01-01	41895514427
2010-04-01	44237083575
2010-07-01	43230174835
2010-10-01	44562791190
2011-01-01	43266327713