Quarter	National Currency
1978-01-01	7955055102.64848
1978-04-01	7914435703.79334
1978-07-01	8039835191.94811
1978-10-01	8250664633.84427
1979-01-01	8189439799.76983
1979-04-01	8128761453.06801
1979-07-01	8130621080.00724
1979-10-01	8305570160.85358
1980-01-01	8318854677.08576
1980-04-01	9067297225.48689
1980-07-01	8930853658.10636
1980-10-01	9586393650.36262
1981-01-01	9708332610.26332
1981-04-01	9713103248.05944
1981-07-01	9791845978.30342
1981-10-01	10116070574.95540
1982-01-01	10081360057.83960
1982-04-01	10532530122.85760
1982-07-01	10541774883.52350
1982-10-01	10687681528.04580
1983-01-01	11130394722.24470
1983-04-01	10867885170.21140
1983-07-01	10676079628.11740
1983-10-01	11099469967.89390
1984-01-01	11337332860.43970
1984-04-01	11856072200.43220
1984-07-01	11889059977.08290
1984-10-01	12263882504.03450
1985-01-01	12323430038.85200
1985-04-01	12853437609.65880
1985-07-01	13106907795.36840
1985-10-01	13713054193.86990
1986-01-01	13707909197.91310
1986-04-01	14136564360.58350
1986-07-01	14331578034.05860
1986-10-01	15174262501.06430
1987-01-01	16011640771.14230
1987-04-01	15754582077.57220
1987-07-01	15786529732.38840
1987-10-01	15963870128.56870
1988-01-01	16073765831.92660
1988-04-01	16501284465.66600
1988-07-01	16585183525.19680
1988-10-01	15804734541.33500
1989-01-01	15425596992.73950
1989-04-01	16519936673.97330
1989-07-01	16101830373.37010
1989-10-01	15721065222.19530
1990-01-01	15494391853.10760
1990-04-01	16243020978.55360
1990-07-01	16978188438.70960
1990-10-01	16643972566.59650
1991-01-01	16592820958.08660
1991-04-01	16918072110.16470
1991-07-01	17150657111.11820
1991-10-01	16560109629.19260
1992-01-01	16077335143.86400
1992-04-01	16803403135.93260
1992-07-01	17728885594.08760
1992-10-01	17813358750.14330
1993-01-01	17141544309.70140
1993-04-01	17711142973.30160
1993-07-01	18073620374.07820
1993-10-01	17976877806.83820
1994-01-01	17875519485.21740
1994-04-01	18724593181.91420
1994-07-01	19325596844.00020
1994-10-01	19050350074.30300
1995-01-01	18869758376.00000
1995-04-01	19553027914.00000
1995-07-01	19846195116.00000
1995-10-01	19791196372.00000
1996-01-01	19975141135.00000
1996-04-01	20473619357.00000
1996-07-01	20817342872.00000
1996-10-01	20910457075.00000
1997-01-01	21733474691.00000
1997-04-01	22359904351.00000
1997-07-01	22638974752.00000
1997-10-01	22485814628.00000
1998-01-01	23137547469.00000
1998-04-01	24057487318.00000
1998-07-01	24420885182.00000
1998-10-01	24658088295.00000
1999-01-01	23990277996.00000
1999-04-01	24872226116.00000
1999-07-01	24842665984.00000
1999-10-01	24643472302.00000
2000-01-01	24591164961.00000
2000-04-01	25236032062.00000
2000-07-01	25336956172.00000
2000-10-01	25055691938.00000
2001-01-01	24957382131.00000
2001-04-01	25715145948.00000
2001-07-01	25902147663.00000
2001-10-01	25916782974.00000
2002-01-01	25617266946.00000
2002-04-01	26570034281.00000
2002-07-01	26452607789.00000
2002-10-01	26395273017.00000
2003-01-01	25537335493.00000
2003-04-01	26134430080.00000
2003-07-01	26250493466.00000
2003-10-01	26166100063.00000
2004-01-01	25876257447.00000
2004-04-01	26759512112.00000
2004-07-01	27234263085.00000
2004-10-01	27335457357.00000
2005-01-01	27540370979.00000
2005-04-01	28517025483.00000
2005-07-01	28455166723.00000
2005-10-01	28850525924.00000
2006-01-01	30382073201.00000
2006-04-01	31448167542.00000
2006-07-01	31881063391.00000
2006-10-01	32640305277.00000
2007-01-01	33101839787.00000
2007-04-01	34176248451.00000
2007-07-01	34520568322.00000
2007-10-01	35655492761.00000
2008-01-01	35881599509.00000
2008-04-01	37147331640.00000
2008-07-01	37052330100.00000
2008-10-01	37269058041.00000
2009-01-01	35962299179.00000
2009-04-01	36780843409.00000
2009-07-01	36035286942.00000
2009-10-01	36553340612.00000
2010-01-01	35806839225.00000
2010-04-01	36805349371.00000
2010-07-01	36726152647.00000
2010-10-01	37897717152.00000
2011-01-01	38125371837.00000
2011-04-01	38683525212.00000