Quarter	National Currency
1980-01-01	9883575579.8
1980-04-01	10620030003.0
1980-07-01	9483637993.5
1980-10-01	11742381018.0
1981-01-01	9936951386.1
1981-04-01	10876006327.0
1981-07-01	9809556564.7
1981-10-01	12371410722.0
1982-01-01	10499068356.0
1982-04-01	11492392316.0
1982-07-01	10601670208.0
1982-10-01	12746837806.0
1983-01-01	11054191317.0
1983-04-01	12073684027.0
1983-07-01	10992217074.0
1983-10-01	13732981359.0
1984-01-01	11845581849.0
1984-04-01	12830412966.0
1984-07-01	11748237480.0
1984-10-01	14712498028.0
1985-01-01	12627910806.0
1985-04-01	13804199132.0
1985-07-01	12643372773.0
1985-10-01	15621545686.0
1986-01-01	13426929355.0
1986-04-01	14405081575.0
1986-07-01	13229056907.0
1986-10-01	16083161029.0
1987-01-01	13745991809.0
1987-04-01	14921285479.0
1987-07-01	13658063347.0
1987-10-01	16675005986.0
1988-01-01	14587605371.0
1988-04-01	15657177812.0
1988-07-01	14339770827.0
1988-10-01	17449204347.0
1989-01-01	15473110328.0
1989-04-01	16693353222.0
1989-07-01	15312123421.0
1989-10-01	18893474561.0
1990-01-01	16808856857.0
1990-04-01	18111570862.0
1990-07-01	16686615158.0
1990-10-01	20695515739.0
1991-01-01	18513621993.0
1991-04-01	19980542373.0
1991-07-01	18430819459.0
1991-10-01	21011067768.0
1992-01-01	19793486231.0
1992-04-01	20853300939.0
1992-07-01	18986728611.0
1992-10-01	22651698601.0
1993-01-01	20227205075.0
1993-04-01	21195040685.0
1993-07-01	19419366305.0
1993-10-01	23349992178.0
1994-01-01	20961073249.0
1994-04-01	21994250322.0
1994-07-01	20092749074.0
1994-10-01	23783250136.0
1995-01-01	21269754382.0
1995-04-01	23044254474.0
1995-07-01	19880131670.0
1995-10-01	25285315869.0
1996-01-01	21227514405.0
1996-04-01	23439274017.0
1996-07-01	20267902329.0
1996-10-01	25959396274.0
1997-01-01	22163964043.0
1997-04-01	24382427566.0
1997-07-01	21216804598.0
1997-10-01	26781590562.0
1998-01-01	22737655934.0
1998-04-01	24690089902.0
1998-07-01	21829705272.0
1998-10-01	27851614272.0
1999-01-01	23767472716.0
1999-04-01	26030611378.0
1999-07-01	22952796934.0
1999-10-01	29449380849.0
2000-01-01	25185016982.0
2000-04-01	27093613495.0
2000-07-01	23822206678.0
2000-10-01	30501763086.0
2001-01-01	26454558773.0
2001-04-01	28701173144.0
2001-07-01	25254828907.0
2001-10-01	32047348659.0
2002-01-01	27363212752.0
2002-04-01	29628290247.0
2002-07-01	25655704482.0
2002-10-01	32469569878.0
2003-01-01	27410162250.0
2003-04-01	29946409602.0
2003-07-01	25943676641.0
2003-10-01	32916542880.0
2004-01-01	28227793401.0
2004-04-01	30696650500.0
2004-07-01	26601938586.0
2004-10-01	33551828338.0
2005-01-01	28650840610.0
2005-04-01	31552814978.0
2005-07-01	27300935535.0
2005-10-01	34326738270.0
2006-01-01	30130433267.0
2006-04-01	32995391667.0
2006-07-01	28471848432.0
2006-10-01	36027950554.0
2007-01-01	31606029867.0
2007-04-01	35173227435.0
2007-07-01	29971985952.0
2007-10-01	38138392958.0
2008-01-01	33381624011.0
2008-04-01	36520594312.0
2008-07-01	31674423288.0
2008-10-01	39851365711.0
2009-01-01	34043854670.0
2009-04-01	36542999230.0
2009-07-01	31806742527.0
2009-10-01	39460796429.0
2010-01-01	33739157835.0
2010-04-01	37029997942.0
2010-07-01	32277215477.0
2010-10-01	40175120160.0
2011-01-01	35313118380.0