Quarter	National Currency
1980-01-01	118012268.47
1980-04-01	143923441.23
1980-07-01	177565644.67
1980-10-01	213917961.33
1981-01-01	169314360.71
1981-04-01	214399610.01
1981-07-01	243920564.46
1981-10-01	272941022.87
1982-01-01	225679166.06
1982-04-01	371265131.20
1982-07-01	369015741.56
1982-10-01	391854567.57
1983-01-01	355713167.41
1983-04-01	448880141.33
1983-07-01	557054087.58
1983-10-01	610968362.90
1984-01-01	591726434.93
1984-04-01	677199082.46
1984-07-01	887201462.02
1984-10-01	971944212.77
1985-01-01	913239977.23
1985-04-01	1095172875.70
1985-07-01	1409753533.80
1985-10-01	1702602009.40
1986-01-01	1624821077.80
1986-04-01	1976590096.60
1986-07-01	2211927060.60
1986-10-01	2932903291.10
1987-01-01	2836614307.10
1987-04-01	3863092580.00
1987-07-01	4941314508.70
1987-10-01	7640254960.20
1988-01-01	8562836978.10
1988-04-01	9821158961.20
1988-07-01	9990127120.00
1988-10-01	11869092101.00
1989-01-01	11021148149.00
1989-04-01	13302400340.00
1989-07-01	13776024278.00
1989-10-01	16531032108.00
1990-01-01	14471544015.00
1990-04-01	16795347661.00
1990-07-01	18278090347.00
1990-10-01	21691297543.00
1991-01-01	18334400492.00
1991-04-01	22154321618.00
1991-07-01	22799018206.00
1991-10-01	27909565103.00
1992-01-01	23771522116.00
1992-04-01	26995596270.00
1992-07-01	28557422911.00
1992-10-01	33923868768.00
1993-01-01	28048716055.00
1993-04-01	30122273708.00
1993-07-01	30300732379.00
1993-10-01	34632906645.00
1994-01-01	30647167710.00
1994-04-01	32052192432.00
1994-07-01	32160727962.00
1994-10-01	38880820257.00
1995-01-01	33087635512.00
1995-04-01	35297111645.00
1995-07-01	36197738642.00
1995-10-01	44032514432.00
1996-01-01	43337391666.00
1996-04-01	47603950912.00
1996-07-01	50138043293.00
1996-10-01	61255603511.00
1997-01-01	59108225405.00
1997-04-01	64563933674.00
1997-07-01	65236333182.00
1997-10-01	77841803810.00
1998-01-01	74058622038.00
1998-04-01	79113457731.00
1998-07-01	81333704395.00
1998-10-01	95748851923.00
1999-01-01	90865864918.00
1999-04-01	97260132127.00
1999-07-01	100104785292.00
1999-10-01	119052391831.00
2000-01-01	113040998250.00
2000-04-01	121789439770.00
2000-07-01	122749559597.00
2000-10-01	140268192379.00
2001-01-01	125885568060.00
2001-04-01	129121637146.00
2001-07-01	127449389690.00
2001-10-01	147809417899.00
2002-01-01	126709283096.00
2002-04-01	132283435403.00
2002-07-01	130522825040.00
2002-10-01	150530109415.00
2003-01-01	132445017983.00
2003-04-01	136004506266.00
2003-07-01	134392363948.00
2003-10-01	153779729346.00
2004-01-01	136121138613.00
2004-04-01	140589980082.00
2004-07-01	141057677024.00
2004-10-01	161918705752.00
2005-01-01	145948665127.00
2005-04-01	151313409251.00
2005-07-01	149488870226.00
2005-10-01	173637914820.00
2006-01-01	152759473241.00
2006-04-01	160981888165.00
2006-07-01	159652628548.00
2006-10-01	181403725916.00
2007-01-01	162290325840.00
2007-04-01	167175923725.00
2007-07-01	164966789379.00
2007-10-01	180016730897.00
2008-01-01	164816260577.00
2008-04-01	168598571253.00
2008-07-01	165736256944.00
2008-10-01	178592675384.00
2009-01-01	159286231148.00
2009-04-01	160368551776.00
2009-07-01	161648567381.00
2009-10-01	179116518540.00
2010-01-01	165529963703.00
2010-04-01	170264170613.00
2010-07-01	173064795336.00
2010-10-01	188026659218.00
2011-01-01	175898218949.00
2011-04-01	179001999421.00
2011-07-01	180794962537.00