Quarter	National Currency
1980-01-01	4005130932.8
1980-04-01	4276486523.2
1980-07-01	4459688454.1
1980-10-01	4757109482.1
1981-01-01	4724719970.9
1981-04-01	4868018191.8
1981-07-01	5048914499.1
1981-10-01	5347167567.6
1982-01-01	5186610255.1
1982-04-01	5559367503.9
1982-07-01	5758325094.1
1982-10-01	5888240688.0
1983-01-01	5959828137.3
1983-04-01	6185087366.1
1983-07-01	6653300472.8
1983-10-01	6885915409.6
1984-01-01	6843648053.3
1984-04-01	6659336011.1
1984-07-01	7103186185.7
1984-10-01	7543081320.0
1985-01-01	7158816536.2
1985-04-01	7145058356.0
1985-07-01	8012500382.4
1985-10-01	7904074967.7
1986-01-01	7943546124.4
1986-04-01	8249545361.0
1986-07-01	8892307928.2
1986-10-01	8952823426.0
1987-01-01	9325103267.0
1987-04-01	9652180405.2
1987-07-01	9699540528.8
1987-10-01	10040969924.0
1988-01-01	9855073284.4
1988-04-01	10277401786.0
1988-07-01	10521082533.0
1988-10-01	10787297855.0
1989-01-01	10401075087.0
1989-04-01	10963409159.0
1989-07-01	11260063533.0
1989-10-01	12211239037.0
1990-01-01	11363463604.0
1990-04-01	12077403603.0
1990-07-01	12119816144.0
1990-10-01	13840606059.0
1991-01-01	12791143989.0
1991-04-01	13596676148.0
1991-07-01	13662069542.0
1991-10-01	15159855232.0
1992-01-01	14373517068.0
1992-04-01	15252349386.0
1992-07-01	15036940130.0
1992-10-01	16197427358.0
1993-01-01	15133956859.0
1993-04-01	15679275909.0
1993-07-01	15764420678.0
1993-10-01	17011944503.0
1994-01-01	15729139791.0
1994-04-01	16638900128.0
1994-07-01	16574687089.0
1994-10-01	17879262936.0
1995-01-01	16139711150.0
1995-04-01	16937956166.0
1995-07-01	16743449744.0
1995-10-01	18481292363.0
1996-01-01	16834317346.0
1996-04-01	17873277050.0
1996-07-01	17850161894.0
1996-10-01	19609817757.0
1997-01-01	17657799146.0
1997-04-01	19310108599.0
1997-07-01	19142972583.0
1997-10-01	21030172814.0
1998-01-01	19086771269.0
1998-04-01	20713087612.0
1998-07-01	20474567842.0
1998-10-01	22482163983.0
1999-01-01	20734748517.0
1999-04-01	21976768577.0
1999-07-01	22155965801.0
1999-10-01	24393884762.0
2000-01-01	22813972246.0
2000-04-01	24152964491.0
2000-07-01	24508331866.0
2000-10-01	26591961138.0
2001-01-01	24708171398.0
2001-04-01	25253457694.0
2001-07-01	26173541845.0
2001-10-01	28262585036.0
2002-01-01	26005778667.0
2002-04-01	26685808071.0
2002-07-01	27350022682.0
2002-10-01	29433422654.0
2003-01-01	27021124217.0
2003-04-01	27836604212.0
2003-07-01	28367825536.0
2003-10-01	30900247532.0
2004-01-01	28412191654.0
2004-04-01	29571525532.0
2004-07-01	29733065030.0
2004-10-01	32230370604.0
2005-01-01	29390144273.0
2005-04-01	30928922783.0
2005-07-01	31038429219.0
2005-10-01	33861957012.0
2006-01-01	30788307414.0
2006-04-01	33048431136.0
2006-07-01	33158287316.0
2006-10-01	35952317201.0
2007-01-01	32648032378.0
2007-04-01	35493833039.0
2007-07-01	35614997873.0
2007-10-01	38727570894.0
2008-01-01	35482490170.0
2008-04-01	37794728142.0
2008-07-01	37721475115.0
2008-10-01	40511621465.0
2009-01-01	35835082617.0
2009-04-01	37031855736.0
2009-07-01	37203638751.0
2009-10-01	39988240896.0
2010-01-01	35753912398.0
2010-04-01	37282343279.0
2010-07-01	37289530258.0
2010-10-01	40334413721.0
2011-01-01	36229450846.0
2011-04-01	38190298300.0