Quarter	National Currency
1974-07-01	5824656857.8
1974-10-01	6408754468.0
1975-01-01	5466137110.0
1975-04-01	6447312281.9
1975-07-01	6159625120.4
1975-10-01	6658526953.4
1976-01-01	5621717237.0
1976-04-01	6938947705.4
1976-07-01	6443905438.7
1976-10-01	6871094419.8
1977-01-01	6044628850.0
1977-04-01	7243385609.3
1977-07-01	6325454235.6
1977-10-01	6511530404.7
1978-01-01	5986071274.4
1978-04-01	7000610261.8
1978-07-01	6255121690.4
1978-10-01	6845976174.4
1979-01-01	6171871738.5
1979-04-01	7291249729.5
1979-07-01	6616135471.8
1979-10-01	6976591183.7
1980-01-01	6263431117.3
1980-04-01	7323608654.0
1980-07-01	7199545938.2
1980-10-01	7637570907.5
1981-01-01	6726971135.2
1981-04-01	7599395340.8
1981-07-01	7554304888.5
1981-10-01	7949720737.0
1982-01-01	7119768450.8
1982-04-01	7812164750.4
1982-07-01	7092107407.3
1982-10-01	7038488569.3
1983-01-01	5939069131.4
1983-04-01	6909229508.0
1983-07-01	6184483913.7
1983-10-01	7065556253.8
1984-01-01	6108446352.0
1984-04-01	7688514847.8
1984-07-01	7004171509.9
1984-10-01	7679029353.8
1985-01-01	6936088710.1
1985-04-01	7760583552.6
1985-07-01	7787102329.3
1985-10-01	8094803311.7
1986-01-01	7018625479.2
1986-04-01	8072522719.8
1986-07-01	7490382417.5
1986-10-01	7704916699.4
1987-01-01	6834696088.1
1987-04-01	8073188862.3
1987-07-01	7820219117.4
1987-10-01	8418806746.2
1988-01-01	7641820789.2
1988-04-01	8609522152.5
1988-07-01	8631946598.3
1988-10-01	8953678963.5
1989-01-01	8431057404.3
1989-04-01	9783329107.3
1989-07-01	9645395175.8
1989-10-01	9551949984.0
1990-01-01	8430098814.8
1990-04-01	8995021778.8
1990-07-01	8923604916.7
1990-10-01	9080758574.5
1991-01-01	7768071706.2
1991-04-01	8463707928.7
1991-07-01	7842425692.6
1991-10-01	8204060402.0
1992-01-01	7301959131.5
1992-04-01	8052215558.6
1992-07-01	7925921665.7
1992-10-01	8600752497.5
1993-01-01	7785317289.6
1993-04-01	8915482065.8
1993-07-01	8608252793.7
1993-10-01	9008786815.0
1994-01-01	8116082610.0
1994-04-01	9524622176.7
1994-07-01	9227521984.5
1994-10-01	9880942452.7
1995-01-01	8389838548.1
1995-04-01	9709535984.8
1995-07-01	9490703411.4
1995-10-01	10057169595.0
1996-01-01	8544086018.3
1996-04-01	9768497802.9
1996-07-01	9910606926.3
1996-10-01	10057755593.0
1997-01-01	8951590408.3
1997-04-01	9947449286.0
1997-07-01	10137372701.0
1997-10-01	11072627643.0
1998-01-01	10419525756.0
1998-04-01	11109615607.0
1998-07-01	11591714310.0
1998-10-01	12504177333.0
1999-01-01	10586836348.0
1999-04-01	11927291099.0
1999-07-01	12486121446.0
1999-10-01	12685108611.0
2000-01-01	11527818910.0
2000-04-01	12929219950.0
2000-07-01	11115690274.0
2000-10-01	10610198718.0
2001-01-01	10104773555.0
2001-04-01	10673122918.0
2001-07-01	11353789981.0
2001-10-01	11909048968.0
2002-01-01	11735345763.0
2002-04-01	12636021980.0
2002-07-01	13582920741.0
2002-10-01	14862653551.0
2003-01-01	12807531042.0
2003-04-01	14088371693.0
2003-07-01	14642166321.0
2003-10-01	15330406878.0
2004-01-01	14069936904.0
2004-04-01	15075874234.0
2004-07-01	15249106758.0
2004-10-01	15919761412.0
2005-01-01	14480842313.0
2005-04-01	16145527811.0
2005-07-01	16488025519.0
2005-10-01	17300212157.0
2006-01-01	15828677098.0
2006-04-01	17219085225.0
2006-07-01	16969996534.0
2006-10-01	18659308945.0
2007-01-01	16937190346.0
2007-04-01	17948992965.0
2007-07-01	18856710989.0
2007-10-01	19391403722.0
2008-01-01	17530107434.0
2008-04-01	19642676960.0
2008-07-01	19833478557.0
2008-10-01	20999550341.0
2009-01-01	17800821184.0
2009-04-01	19031123373.0
2009-07-01	19364213840.0
2009-10-01	20203147686.0
2010-01-01	17919279473.0
2010-04-01	20565420194.0
2010-07-01	20493026237.0
2010-10-01	21809945529.0
2011-01-01	19106966648.0
2011-04-01	21251942667.0
2011-07-01	22390724019.0