Quarter	National Currency
1975-01-01	2584065074.2
1975-04-01	3307394034.2
1975-07-01	3204741164.4
1975-10-01	3230126513.9
1976-01-01	3162537289.0
1976-04-01	3791760998.2
1976-07-01	3649561896.5
1976-10-01	3602221285.9
1977-01-01	3414288350.8
1977-04-01	4059440130.8
1977-07-01	3913954493.5
1977-10-01	3798577441.5
1978-01-01	3563375672.6
1978-04-01	4192779028.7
1978-07-01	4103047591.5
1978-10-01	4100489341.9
1979-01-01	4041834680.0
1979-04-01	4840319309.6
1979-07-01	4673420645.8
1979-10-01	4621769081.7
1980-01-01	4559864890.3
1980-04-01	5639087928.8
1980-07-01	5454952276.2
1980-10-01	5512344040.0
1981-01-01	5373680101.2
1981-04-01	6484032884.7
1981-07-01	6310084891.2
1981-10-01	6255656076.4
1982-01-01	6018658601.8
1982-04-01	7159038351.8
1982-07-01	6895810224.2
1982-10-01	6997076568.4
1983-01-01	6595445465.4
1983-04-01	7903477607.8
1983-07-01	7619308495.4
1983-10-01	7772035485.0
1984-01-01	7454284443.9
1984-04-01	8877578993.7
1984-07-01	8489055180.1
1984-10-01	8381115531.9
1985-01-01	8248340359.5
1985-04-01	9868123560.2
1985-07-01	9348862978.1
1985-10-01	9218323027.2
1986-01-01	8938965053.7
1986-04-01	10425489459.0
1986-07-01	9967324667.6
1986-10-01	9910093896.2
1987-01-01	9554108401.2
1987-04-01	11373932407.0
1987-07-01	10907106593.0
1987-10-01	10660293648.0
1988-01-01	10356949927.0
1988-04-01	12462652927.0
1988-07-01	11998506396.0
1988-10-01	11944295891.0
1989-01-01	11575899090.0
1989-04-01	14207676568.0
1989-07-01	13124837618.0
1989-10-01	13143017784.0
1990-01-01	12991671157.0
1990-04-01	14873303459.0
1990-07-01	14618806914.0
1990-10-01	14221282503.0
1991-01-01	13121990119.0
1991-04-01	15008570879.0
1991-07-01	14653053726.0
1991-10-01	14083250952.0
1992-01-01	12666520952.0
1992-04-01	14249732251.0
1992-07-01	13856850716.0
1992-10-01	13160737507.0
1993-01-01	11910575422.0
1993-04-01	13384496230.0
1993-07-01	13068910013.0
1993-10-01	12629959614.0
1994-01-01	11777637642.0
1994-04-01	13534865336.0
1994-07-01	13410447170.0
1994-10-01	13266476926.0
1995-01-01	12484869356.0
1995-04-01	14473060211.0
1995-07-01	14276290030.0
1995-10-01	13823835774.0
1996-01-01	13491923247.0
1996-04-01	14919172485.0
1996-07-01	14693797709.0
1996-10-01	14188575212.0
1997-01-01	14015991644.0
1997-04-01	15593988660.0
1997-07-01	15708970857.0
1997-10-01	14893924790.0
1998-01-01	14865380686.0
1998-04-01	16589760665.0
1998-07-01	16686631096.0
1998-10-01	15926359102.0
1999-01-01	15548474336.0
1999-04-01	17327681104.0
1999-07-01	17461411466.0
1999-10-01	16725631142.0
2000-01-01	16553581287.0
2000-04-01	18560544729.0
2000-07-01	18359459872.0
2000-10-01	17590716005.0
2001-01-01	17762575502.0
2001-04-01	19758124588.0
2001-07-01	19330266623.0
2001-10-01	18464264551.0
2002-01-01	18106281477.0
2002-04-01	20344479848.0
2002-07-01	19882585710.0
2002-10-01	19005946872.0
2003-01-01	18501726251.0
2003-04-01	20893357858.0
2003-07-01	20496025022.0
2003-10-01	19600674149.0
2004-01-01	19296792462.0
2004-04-01	21568897296.0
2004-07-01	21316665636.0
2004-10-01	20538797061.0
2005-01-01	20216165986.0
2005-04-01	22576425238.0
2005-07-01	22683850589.0
2005-10-01	21508119259.0
2006-01-01	21252839522.0
2006-04-01	23666670287.0
2006-07-01	23520520779.0
2006-10-01	22682083377.0
2007-01-01	22596916152.0
2007-04-01	25037395662.0
2007-07-01	24683733839.0
2007-10-01	24185187381.0
2008-01-01	24490158832.0
2008-04-01	27160409205.0
2008-07-01	26302853969.0
2008-10-01	25349433859.0
2009-01-01	24503937852.0
2009-04-01	26778506927.0
2009-07-01	25879196920.0
2009-10-01	24824772012.0
2010-01-01	24245634368.0
2010-04-01	27409780168.0
2010-07-01	26667284747.0
2010-10-01	25756892023.0
2011-01-01	25510553700.0