Quarter	National Currency
1981-01-01	136020012736
1981-04-01	140541987653
1981-07-01	133147699091
1981-10-01	140282015330
1982-01-01	137074293113
1982-04-01	141072337905
1982-07-01	133306657683
1982-10-01	139526850807
1983-01-01	137331716413
1983-04-01	140616023013
1983-07-01	134982395949
1983-10-01	142500460606
1984-01-01	142418869769
1984-04-01	144336738077
1984-07-01	138570271330
1984-10-01	146165389603
1985-01-01	143825870492
1985-04-01	149959922574
1985-07-01	143935012818
1985-10-01	150356359234
1986-01-01	147638371611
1986-04-01	152742124449
1986-07-01	146582583425
1986-10-01	154335107248
1987-01-01	152368480231
1987-04-01	159777443895
1987-07-01	151840190308
1987-10-01	159554725452
1988-01-01	161124359245
1988-04-01	166066535642
1988-07-01	159706921125
1988-10-01	168175324747
1989-01-01	167950320503
1989-04-01	173185305431
1989-07-01	165010009348
1989-10-01	173879021725
1990-01-01	173982351335
1990-04-01	177260406122
1990-07-01	168307821124
1990-10-01	175626597178
1991-01-01	173814274817
1991-04-01	178567010742
1991-07-01	171597299074
1991-10-01	178162953321
1992-01-01	177369897092
1992-04-01	180270710607
1992-07-01	170389323938
1992-10-01	175599747150
1993-01-01	172530604858
1993-04-01	178375451444
1993-07-01	169306770253
1993-10-01	176623080100
1994-01-01	175785001259
1994-04-01	182808840025
1994-07-01	176569362682
1994-10-01	184614720260
1995-01-01	185100596605
1995-04-01	189577946657
1995-07-01	183604687474
1995-10-01	189696702872
1996-01-01	188780588802
1996-04-01	191877459706
1996-07-01	184398265946
1996-10-01	189259610871
1997-01-01	185479084583
1997-04-01	195690515704
1997-07-01	188133109787
1997-10-01	195729593034
1998-01-01	191088814917
1998-04-01	198890035844
1998-07-01	190979770917
1998-10-01	195257514278
1999-01-01	190612694285
1999-04-01	199269198668
1999-07-01	191656633922
1999-10-01	200840591677
2000-01-01	199908556469
2000-04-01	208177311747
2000-07-01	201430010448
2000-10-01	210068303149
2001-01-01	207671986980
2001-04-01	213936239157
2001-07-01	204159688798
2001-10-01	209863358715
2002-01-01	205152883114
2002-04-01	215255128691
2002-07-01	206058965817
2002-10-01	212241452932
2003-01-01	205264173096
2003-04-01	212245404576
2003-07-01	204499676133
2003-10-01	211103585021
2004-01-01	207099338135
2004-04-01	216418323576
2004-07-01	207425413813
2004-10-01	212447084016
2005-01-01	207717933004
2005-04-01	219029994254
2005-07-01	209927230696
2005-10-01	215231516551
2006-01-01	213484412864
2006-04-01	222296937902
2006-07-01	213925519574
2006-10-01	221864588251
2007-01-01	219070570578
2007-04-01	226930289422
2007-07-01	218696045466
2007-10-01	222564734296
2008-01-01	219398916681
2008-04-01	225695159809
2008-07-01	214505076287
2008-10-01	211279394986
2009-01-01	196033905358
2009-04-01	201921682811
2009-07-01	199292863850
2009-10-01	200630319190
2010-01-01	198600369251
2010-04-01	207435791150
2010-07-01	204060912728
2010-10-01	205192845724
2011-01-01	201755979342
2011-04-01	210245950578