Quarter	National Currency
1975-01-01	4500816267.2
1975-04-01	4841146247.2
1975-07-01	4722086767.9
1975-10-01	5332730752.7
1976-01-01	4545877720.2
1976-04-01	4874987836.2
1976-07-01	4781287669.1
1976-10-01	5275643647.5
1977-01-01	4462927071.8
1977-04-01	4730203244.8
1977-07-01	4789369910.8
1977-10-01	5126191186.1
1978-01-01	4566490124.2
1978-04-01	4877782619.5
1978-07-01	4904711132.4
1978-10-01	5326632908.0
1979-01-01	4818511568.9
1979-04-01	5246949935.9
1979-07-01	5269472312.6
1979-10-01	5779270199.0
1980-01-01	5186880660.7
1980-04-01	5434606173.0
1980-07-01	5547894461.8
1980-10-01	5903407462.0
1981-01-01	5170198883.4
1981-04-01	5613824308.4
1981-07-01	5626877760.4
1981-10-01	6131515399.6
1982-01-01	5413887698.0
1982-04-01	5811128513.6
1982-07-01	5761652267.2
1982-10-01	6396546907.8
1983-01-01	5645353745.1
1983-04-01	6056584085.4
1983-07-01	5919205706.7
1983-10-01	6456787852.7
1984-01-01	5945622476.5
1984-04-01	6324884642.0
1984-07-01	6154940811.4
1984-10-01	6631507964.3
1985-01-01	6118129036.9
1985-04-01	6610068950.1
1985-07-01	6461315536.6
1985-10-01	6922394375.6
1986-01-01	6274056978.3
1986-04-01	6731057140.1
1986-07-01	6755529312.5
1986-10-01	7326166413.4
1987-01-01	6552639622.3
1987-04-01	7204129752.1
1987-07-01	7046785373.3
1987-10-01	7844951115.8
1988-01-01	7016347971.6
1988-04-01	7577326717.3
1988-07-01	7484703912.4
1988-10-01	8009366050.4
1989-01-01	7450591267.0
1989-04-01	8069821314.2
1989-07-01	8001962777.4
1989-10-01	8459101330.6
1990-01-01	7844633784.3
1990-04-01	8191390503.9
1990-07-01	7960634610.1
1990-10-01	8381632779.2
1991-01-01	7346423658.4
1991-04-01	7622465712.9
1991-07-01	7478639842.9
1991-10-01	7808134657.8
1992-01-01	6856278416.9
1992-04-01	7082629428.3
1992-07-01	7021488736.8
1992-10-01	7455528714.1
1993-01-01	6604713237.0
1993-04-01	7019120250.7
1993-07-01	7073617538.9
1993-10-01	7578959468.3
1994-01-01	6935378204.9
1994-04-01	7266440073.6
1994-07-01	7348313622.8
1994-10-01	7938306841.7
1995-01-01	7246419028.6
1995-04-01	7726957729.5
1995-07-01	7813672330.4
1995-10-01	8435080401.8
1996-01-01	7699723712.2
1996-04-01	8031057803.9
1996-07-01	8019547711.3
1996-10-01	8739556203.8
1997-01-01	7721679479.2
1997-04-01	8483027961.8
1997-07-01	8565068298.8
1997-10-01	9531333492.2
1998-01-01	8389732287.5
1998-04-01	9051310698.1
1998-07-01	9005900735.6
1998-10-01	10016326978.0
1999-01-01	8769819907.3
1999-04-01	9473802805.7
1999-07-01	9428780687.5
1999-10-01	10402107484.0
2000-01-01	9350057306.7
2000-04-01	9883557862.0
2000-07-01	9764202402.1
2000-10-01	10769309438.0
2001-01-01	9833412179.9
2001-04-01	10415015595.0
2001-07-01	10222266558.0
2001-10-01	10973601978.0
2002-01-01	9886186754.6
2002-04-01	10712967864.0
2002-07-01	10270715313.0
2002-10-01	10943681049.0
2003-01-01	10068604918.0
2003-04-01	10522266018.0
2003-07-01	10262831563.0
2003-10-01	11167265854.0
2004-01-01	10443675082.0
2004-04-01	11193311538.0
2004-07-01	10970324059.0
2004-10-01	11907132510.0
2005-01-01	10863082826.0
2005-04-01	11672199239.0
2005-07-01	11182957233.0
2005-10-01	12001547103.0
2006-01-01	11096019279.0
2006-04-01	11744445861.0
2006-07-01	11417635576.0
2006-10-01	12448205734.0
2007-01-01	11717243170.0
2007-04-01	12557669276.0
2007-07-01	12347893956.0
2007-10-01	13247513198.0
2008-01-01	12124025774.0
2008-04-01	12905389570.0
2008-07-01	12487185352.0
2008-10-01	12930269192.0
2009-01-01	11027858456.0
2009-04-01	11524058453.0
2009-07-01	11238356803.0
2009-10-01	11964377690.0
2010-01-01	10884862925.0
2010-04-01	11942679506.0
2010-07-01	11712729938.0
2010-10-01	12692500016.0
2011-01-01	11564690869.0