Quarter	National Currency
1970-01-01	1031398000000
1970-04-01	1235198700000
1970-07-01	1281600400000
1970-10-01	1505902800000
1971-01-01	1254606500000
1971-04-01	1502305100000
1971-07-01	1513499400000
1971-10-01	1584289000000
1972-01-01	1388674300000
1972-04-01	1629568500000
1972-07-01	1659672200000
1972-10-01	1947985000000
1973-01-01	1792307600000
1973-04-01	2089623400000
1973-07-01	2257733000000
1973-10-01	2623336100000
1974-01-01	2384833400000
1974-04-01	2648928700000
1974-07-01	2571722800000
1974-10-01	2724215200000
1975-01-01	2590106200000
1975-04-01	2892700000000
1975-07-01	2958597000000
1975-10-01	3277596800000
1976-01-01	3095000000000
1976-04-01	3736800900000
1976-07-01	3708500600000
1976-10-01	3850098500000
1977-01-01	3453995200000
1977-04-01	4259795200000
1977-07-01	4246000300000
1977-10-01	4702009400000
1978-01-01	4314823500000
1978-04-01	5305929100000
1978-07-01	5189228200000
1978-10-01	5711419300000
1979-01-01	5203803900000
1979-04-01	5965495500000
1979-07-01	5570696200000
1979-10-01	5705204400000
1980-01-01	5014321300000
1980-04-01	5663429000000
1980-07-01	5443929100000
1980-10-01	5840720600000
1981-01-01	5304804500000
1981-04-01	6337995500000
1981-07-01	6147295800000
1981-10-01	6418304100000
1982-01-01	5815821400000
1982-04-01	6596029100000
1982-07-01	6372229200000
1982-10-01	6912320200000
1983-01-01	6515203600000
1983-04-01	7640494700000
1983-07-01	7541996000000
1983-10-01	8090205700000
1984-01-01	7929025100000
1984-04-01	9248532000000
1984-07-01	8876328900000
1984-10-01	9183814000000
1985-01-01	8561088500000
1985-04-01	9613572100000
1985-07-01	9305667300000
1985-10-01	10039572000000
1986-01-01	9941388000000
1986-04-01	11666998000000
1986-07-01	11324506000000
1986-10-01	12468208000000
1987-01-01	12166707000000
1987-04-01	14253502000000
1987-07-01	13115599000000
1987-10-01	14690092000000
1988-01-01	14822484000000
1988-04-01	14959077000000
1988-07-01	15180272000000
1988-10-01	16176067000000
1989-01-01	15030765000000
1989-04-01	15843568000000
1989-07-01	15770977000000
1989-10-01	16688490000000
1990-01-01	16322911000000
1990-04-01	17373424000000
1990-07-01	17410732000000
1990-10-01	18267633000000
1991-01-01	18065028000000
1991-04-01	19098924000000
1991-07-01	18620924000000
1991-10-01	20494924000000
1992-01-01	19475928000000
1992-04-01	20630727000000
1992-07-01	19353226000000
1992-10-01	20651119000000
1993-01-01	19827411000000
1993-04-01	21410002000000
1993-07-01	20519797000000
1993-10-01	22386490000000
1994-01-01	21670287000000
1994-04-01	23665689000000
1994-07-01	22125803000000
1994-10-01	25259521000000
1995-01-01	24311750000000
1995-04-01	26428860000000
1995-07-01	24786457000000
1995-10-01	27259634000000
1996-01-01	26298297000000
1996-04-01	28074272000000
1996-07-01	26527164000000
1996-10-01	29095667000000
1997-01-01	27479488000000
1997-04-01	30510698000000
1997-07-01	28356907000000
1997-10-01	30058907000000
1998-01-01	25707706000000
1998-04-01	26904901000000
1998-07-01	25804599000000
1998-10-01	29508795000000
1999-01-01	28527395000000
1999-04-01	33513594000000
1999-07-01	32969602000000
1999-10-01	37745209000000
2000-01-01	36170325000000
2000-04-01	39570729000000
2000-07-01	39775128000000
2000-10-01	40371819000000
2001-01-01	38038505000000
2001-04-01	41354995000000
2001-07-01	39328597000000
2001-10-01	40928204000000
2002-01-01	39992121000000
2002-04-01	44350627000000
2002-07-01	42975030000000
2002-10-01	46289122000000
2003-01-01	42159312000000
2003-04-01	45715900000000
2003-07-01	44821896000000
2003-10-01	50242692000000
2004-01-01	46737899000000
2004-04-01	51609899000000
2004-07-01	49477502000000
2004-10-01	53346000000000
2005-01-01	48959603000000
2005-04-01	53618400000000
2005-07-01	52786200000000
2005-10-01	58281997000000
2006-01-01	53579401000000
2006-04-01	58491799000000
2006-07-01	57402301000000
2006-10-01	61419099000000
2007-01-01	56004005000000
2007-04-01	62712900000000
2007-07-01	61026101000000
2007-10-01	67665094000000
2008-01-01	60994296000000
2008-04-01	67904192000000
2008-07-01	64273100000000
2008-10-01	61295112000000
2009-01-01	52707733000000
2009-04-01	63058330000000
2009-07-01	65456926000000
2009-10-01	69344712000000
2010-01-01	64413497000000
2010-04-01	74275175000000
2010-07-01	71856168000000
2010-10-01	77055259000000
2011-01-01	70753664000000
2011-04-01	79614257000000
2011-07-01	76244960000000