Quarter	National Currency
1980-01-01	8420805518.6
1980-04-01	10144421551.0
1980-07-01	10294066686.0
1980-10-01	12629037689.0
1981-01-01	10453780446.0
1981-04-01	12562567067.0
1981-07-01	12795769787.0
1981-10-01	15573591475.0
1982-01-01	12943624929.0
1982-04-01	15382279174.0
1982-07-01	15270273864.0
1982-10-01	18590720931.0
1983-01-01	15059317032.0
1983-04-01	17944121061.0
1983-07-01	17370291251.0
1983-10-01	20726870707.0
1984-01-01	17038797146.0
1984-04-01	19966834355.0
1984-07-01	19681108656.0
1984-10-01	23363275028.0
1985-01-01	19315885212.0
1985-04-01	22773976133.0
1985-07-01	21815378158.0
1985-10-01	25587012300.0
1986-01-01	20619677564.0
1986-04-01	24216139366.0
1986-07-01	23216630694.0
1986-10-01	27323449851.0
1987-01-01	22175392971.0
1987-04-01	26206577900.0
1987-07-01	25284814573.0
1987-10-01	29626320310.0
1988-01-01	24009087257.0
1988-04-01	27886882029.0
1988-07-01	27211012425.0
1988-10-01	31551575166.0
1989-01-01	25916987338.0
1989-04-01	30269882693.0
1989-07-01	29179915033.0
1989-10-01	35011620319.0
1990-01-01	28280456558.0
1990-04-01	33313551169.0
1990-07-01	32481216602.0
1990-10-01	37635711770.0
1991-01-01	31359862058.0
1991-04-01	36777310540.0
1991-07-01	34957390628.0
1991-10-01	41606098065.0
1992-01-01	34001339023.0
1992-04-01	38986117458.0
1992-07-01	36746190077.0
1992-10-01	42634748467.0
1993-01-01	33964549930.0
1993-04-01	38817901501.0
1993-07-01	36444927103.0
1993-10-01	41517551637.0
1994-01-01	33042959540.0
1994-04-01	39299934999.0
1994-07-01	36552032803.0
1994-10-01	42427930870.0
1995-01-01	35953423255.0
1995-04-01	40754273491.0
1995-07-01	38450773092.0
1995-10-01	44926340301.0
1996-01-01	37025101577.0
1996-04-01	42548857337.0
1996-07-01	40822207425.0
1996-10-01	47255496423.0
1997-01-01	38400110247.0
1997-04-01	44172338642.0
1997-07-01	41820680761.0
1997-10-01	48236891902.0
1998-01-01	38526410468.0
1998-04-01	44780533787.0
1998-07-01	42349236252.0
1998-10-01	49847135578.0
1999-01-01	39403085845.0
1999-04-01	46596166910.0
1999-07-01	44213368047.0
1999-10-01	51171118162.0
2000-01-01	40902336129.0
2000-04-01	46990297499.0
2000-07-01	44167580345.0
2000-10-01	53616745887.0
2001-01-01	43038776298.0
2001-04-01	48875363783.0
2001-07-01	46876583246.0
2001-10-01	55208867586.0
2002-01-01	45367653520.0
2002-04-01	50971419681.0
2002-07-01	47531247380.0
2002-10-01	56486213954.0
2003-01-01	44902560977.0
2003-04-01	53929392524.0
2003-07-01	50255957402.0
2003-10-01	58007972128.0
2004-01-01	46482528819.0
2004-04-01	53690356851.0
2004-07-01	50387047524.0
2004-10-01	58717188233.0
2005-01-01	49630257366.0
2005-04-01	56504990306.0
2005-07-01	52243931414.0
2005-10-01	61538311241.0
2006-01-01	51334419679.0
2006-04-01	58976463971.0
2006-07-01	52546033368.0
2006-10-01	62265314514.0
2007-01-01	52225603904.0
2007-04-01	60993853180.0
2007-07-01	55615399507.0
2007-10-01	64529388554.0
2008-01-01	53687768558.0
2008-04-01	61852453065.0
2008-07-01	56955312247.0
2008-10-01	65181352577.0
2009-01-01	51286690967.0
2009-04-01	60534656262.0
2009-07-01	56442735669.0
2009-10-01	66427149435.0
2010-01-01	53169138546.0
2010-04-01	61721376994.0
2010-07-01	55929263001.0
2010-10-01	68259901796.0
2011-01-01	53227289642.0