Quarter	National Currency
1980-01-01	51740156860
1980-04-01	53226298550
1980-07-01	50275445708
1980-10-01	57686040225
1981-01-01	51340124059
1981-04-01	54278464303
1981-07-01	48882030897
1981-10-01	58036073062
1982-01-01	50327291765
1982-04-01	54484374703
1982-07-01	49887645055
1982-10-01	60299890345
1983-01-01	50314863856
1983-04-01	54205934755
1983-07-01	49655730924
1983-10-01	60806943729
1984-01-01	53592883233
1984-04-01	55232007918
1984-07-01	51029755851
1984-10-01	61646366503
1985-01-01	54378450707
1985-04-01	57936003556
1985-07-01	52353297293
1985-10-01	62237020426
1986-01-01	55787044749
1986-04-01	61060085101
1986-07-01	54810775075
1986-10-01	66072078689
1987-01-01	59752357094
1987-04-01	65237417092
1987-07-01	59054345706
1987-10-01	69646464528
1988-01-01	65315546644
1988-04-01	68015844002
1988-07-01	60934632875
1988-10-01	72738824097
1989-01-01	66699432829
1989-04-01	70312657708
1989-07-01	62547259414
1989-10-01	75090582200
1990-01-01	71458006461
1990-04-01	73939219135
1990-07-01	65435579280
1990-10-01	77059628719
1991-01-01	70938713752
1991-04-01	74013941078
1991-07-01	65078959450
1991-10-01	74260935098
1992-01-01	70459198194
1992-04-01	71946671955
1992-07-01	64775740806
1992-10-01	72817029559
1993-01-01	67298758091
1993-04-01	69981933068
1993-07-01	64329079889
1993-10-01	73036228952
1994-01-01	69247251014
1994-04-01	73809319970
1994-07-01	69398891362
1994-10-01	77905537653
1995-01-01	73994238873
1995-04-01	77799748463
1995-07-01	72732974728
1995-10-01	82741037935
1996-01-01	76919318017
1996-04-01	79574807774
1996-07-01	75481113401
1996-10-01	85879760808
1997-01-01	78023697572
1997-04-01	85558674889
1997-07-01	79521512155
1997-10-01	89229115385
1998-01-01	82347561833
1998-04-01	90431540203
1998-07-01	85126313599
1998-10-01	92913584364
1999-01-01	85999355886
1999-04-01	92827331465
1999-07-01	87571055829
1999-10-01	98459256820
2000-01-01	90301206473
2000-04-01	99510169532
2000-07-01	93754923447
2000-10-01	102718700547
2001-01-01	95370871711
2001-04-01	100833490767
2001-07-01	94613998264
2001-10-01	102396639259
2002-01-01	95319040391
2002-04-01	104422276462
2002-07-01	98927736457
2002-10-01	108434946690
2003-01-01	101403841446
2003-04-01	108120821832
2003-07-01	102496613696
2003-10-01	112455723026
2004-01-01	107066527815
2004-04-01	113875097590
2004-07-01	109005417190
2004-10-01	118499957405
2005-01-01	109721473703
2005-04-01	119285362929
2005-07-01	115198826845
2005-10-01	124900336523
2006-01-01	116295386419
2006-04-01	122905484836
2006-07-01	118101318825
2006-10-01	131415809919
2007-01-01	120588222269
2007-04-01	128477255627
2007-07-01	122968603024
2007-10-01	136839919081
2008-01-01	124993464150
2008-04-01	134127615470
2008-07-01	125335278104
2008-10-01	130497642275
2009-01-01	112510442555
2009-04-01	120859804274
2009-07-01	115892478895
2009-10-01	132519274276
2010-01-01	118367228145
2010-04-01	129570310805
2010-07-01	126234056390
2010-10-01	145105404660
2011-01-01	128957344645
2011-04-01	138777950120