Quarter	National Currency
1980-01-01	22366660545
1980-04-01	21983760914
1980-07-01	19823759977
1980-10-01	22618833296
1981-01-01	22000133780
1981-04-01	21866625195
1981-07-01	19759663197
1981-10-01	22250180895
1982-01-01	21649459142
1982-04-01	21647861071
1982-07-01	19695816141
1982-10-01	21919325273
1983-01-01	22073577318
1983-04-01	22097328977
1983-07-01	19628923850
1983-10-01	22287977173
1984-01-01	22534888762
1984-04-01	21889309207
1984-07-01	20017842458
1984-10-01	22450013587
1985-01-01	22453647033
1985-04-01	22031426873
1985-07-01	20377140835
1985-10-01	23393717571
1986-01-01	22665028368
1986-04-01	23379256670
1986-07-01	21008277910
1986-10-01	24037324710
1987-01-01	23839319582
1987-04-01	24332926969
1987-07-01	22800059780
1987-10-01	25514625550
1988-01-01	25489855367
1988-04-01	25804412220
1988-07-01	23660193967
1988-10-01	26508299294
1989-01-01	26657584357
1989-04-01	27034274989
1989-07-01	24532332330
1989-10-01	27023540268
1990-01-01	27427778996
1990-04-01	27350747939
1990-07-01	25028478892
1990-10-01	27752040436
1991-01-01	27511440866
1991-04-01	27902205421
1991-07-01	25661902182
1991-10-01	28589574081
1992-01-01	28431547206
1992-04-01	27891641894
1992-07-01	25727200133
1992-10-01	27254373522
1993-01-01	27026076739
1993-04-01	26690197966
1993-07-01	24893755404
1993-10-01	26865611507
1994-01-01	27088364692
1994-04-01	27136639595
1994-07-01	25376189384
1994-10-01	27843301133
1995-01-01	28820535630
1995-04-01	28411656581
1995-07-01	25461196347
1995-10-01	28451356993
1996-01-01	29063033480
1996-04-01	28695939076
1996-07-01	26502200589
1996-10-01	29625699100
1997-01-01	29794754945
1997-04-01	30763590513
1997-07-01	28214183123
1997-10-01	31477764750
1998-01-01	32051312431
1998-04-01	31413252084
1998-07-01	29910598657
1998-10-01	32566971892
1999-01-01	33088677336
1999-04-01	33012304156
1999-07-01	31703971714
1999-10-01	34412859467
2000-01-01	35922176020
2000-04-01	34673825529
2000-07-01	32321912584
2000-10-01	34877892815
2001-01-01	36855459881
2001-04-01	35492580889
2001-07-01	33859181419
2001-10-01	36169179665
2002-01-01	35772612494
2002-04-01	35828215914
2002-07-01	34145168883
2002-10-01	36608844932
2003-01-01	36927863040
2003-04-01	35827669698
2003-07-01	34761100823
2003-10-01	37381067110
2004-01-01	37336038281
2004-04-01	36297333535
2004-07-01	35155624575
2004-10-01	37368337008
2005-01-01	37111403276
2005-04-01	37115893858
2005-07-01	35379532498
2005-10-01	38197170368
2006-01-01	38113769651
2006-04-01	37494834314
2006-07-01	36045401650
2006-10-01	38780994385
2007-01-01	38604000100
2007-04-01	37927268554
2007-07-01	36166657918
2007-10-01	38936870062
2008-01-01	38361822366
2008-04-01	38379408944
2008-07-01	35913920634
2008-10-01	36841477236
2009-01-01	34089914094
2009-04-01	32189271934
2009-07-01	31023879107
2009-10-01	33624332833
2010-01-01	33736267017
2010-04-01	32896290355
2010-07-01	31627238701
2010-10-01	34324634741
2011-01-01	34980492994
2011-04-01	33868888441