Quarter	National Currency
1980-01-01	2384331607.8
1980-04-01	3306370304.3
1980-07-01	2967859618.8
1980-10-01	3940378644.2
1981-01-01	3195463999.0
1981-04-01	4084664202.7
1981-07-01	3432466894.8
1981-10-01	4283242514.2
1982-01-01	3339724810.4
1982-04-01	4988730176.4
1982-07-01	3943377306.3
1982-10-01	5493703010.7
1983-01-01	4422413258.2
1983-04-01	6381033445.6
1983-07-01	5353784818.7
1983-10-01	7295640232.3
1984-01-01	5698638194.7
1984-04-01	7736480154.1
1984-07-01	6236409419.8
1984-10-01	8321783606.1
1985-01-01	6409545952.0
1985-04-01	8799641776.0
1985-07-01	6958048299.1
1985-10-01	9513311426.4
1986-01-01	7206013017.9
1986-04-01	9803483993.2
1986-07-01	8009922052.5
1986-10-01	10667244068.0
1987-01-01	7990367769.5
1987-04-01	10891601146.0
1987-07-01	9003409783.1
1987-10-01	12197022087.0
1988-01-01	9472711468.4
1988-04-01	12364921999.0
1988-07-01	10383263761.0
1988-10-01	13922064228.0
1989-01-01	10781467371.0
1989-04-01	13917191650.0
1989-07-01	11649139812.0
1989-10-01	15831294549.0
1990-01-01	12519059459.0
1990-04-01	15962797113.0
1990-07-01	13283975852.0
1990-10-01	16901564298.0
1991-01-01	13325493176.0
1991-04-01	17454849829.0
1991-07-01	14456911033.0
1991-10-01	19097507717.0
1992-01-01	15189824226.0
1992-04-01	19235467904.0
1992-07-01	16494919683.0
1992-10-01	20868111519.0
1993-01-01	15649477694.0
1993-04-01	20350669513.0
1993-07-01	16495819740.0
1993-10-01	21076647122.0
1994-01-01	16586321068.0
1994-04-01	21362532051.0
1994-07-01	17712820958.0
1994-10-01	22099831103.0
1995-01-01	18037560174.0
1995-04-01	22027509261.0
1995-07-01	18696346555.0
1995-10-01	23546517929.0
1996-01-01	19063232502.0
1996-04-01	24077510527.0
1996-07-01	20202991466.0
1996-10-01	25274062923.0
1997-01-01	20405672183.0
1997-04-01	25666663241.0
1997-07-01	21357256149.0
1997-10-01	26503299407.0
1998-01-01	20370299082.0
1998-04-01	25955623208.0
1998-07-01	21986438594.0
1998-10-01	27320342972.0
1999-01-01	22122186173.0
1999-04-01	27577361471.0
1999-07-01	23388004819.0
1999-10-01	29157922195.0
2000-01-01	24778027728.0
2000-04-01	29294857427.0
2000-07-01	25651319300.0
2000-10-01	30547650595.0
2001-01-01	26255906819.0
2001-04-01	30126967291.0
2001-07-01	26743142467.0
2001-10-01	32263936741.0
2002-01-01	28237208011.0
2002-04-01	32693279179.0
2002-07-01	28452994542.0
2002-10-01	34237956009.0
2003-01-01	28720951159.0
2003-04-01	32522898305.0
2003-07-01	29792359894.0
2003-10-01	38266660724.0
2004-01-01	30931837284.0
2004-04-01	34903497900.0
2004-07-01	31684613717.0
2004-10-01	38449585830.0
2005-01-01	32058244067.0
2005-04-01	37192287800.0
2005-07-01	32829462723.0
2005-10-01	40690510801.0
2006-01-01	34297628716.0
2006-04-01	39464529349.0
2006-07-01	34848473514.0
2006-10-01	42124335053.0
2007-01-01	36476391043.0
2007-04-01	41484430884.0
2007-07-01	36445807141.0
2007-10-01	45668600635.0
2008-01-01	39981418071.0
2008-04-01	41285562081.0
2008-07-01	38062120043.0
2008-10-01	44944442292.0
2009-01-01	37317313348.0
2009-04-01	41687003570.0
2009-07-01	36237259060.0
2009-10-01	45527396036.0
2010-01-01	38606630566.0
2010-04-01	42476895812.0
2010-07-01	37188298800.0
2010-10-01	46410081921.0
2011-01-01	37428852230.0