Quarter	National Currency
1990-01-01	17248494306
1990-04-01	20477074994
1990-07-01	27260122855
1990-10-01	23552034479
1991-01-01	16522389948
1991-04-01	19937395520
1991-07-01	28220301062
1991-10-01	23337260328
1992-01-01	18401952471
1992-04-01	21426003023
1992-07-01	30085080250
1992-10-01	24560499965
1993-01-01	19761319594
1993-04-01	24716052022
1993-07-01	33183729943
1993-10-01	27486473247
1994-01-01	20705995562
1994-04-01	21605922398
1994-07-01	30908731446
1994-10-01	26137294878
1995-01-01	20756135974
1995-04-01	25254064160
1995-07-01	34267111115
1995-10-01	28289366944
1996-01-01	23381447907
1996-04-01	27892766958
1996-07-01	36505684636
1996-10-01	29883989294
1997-01-01	24840977403
1997-04-01	30564180573
1997-07-01	39817780227
1997-10-01	34375705912
1998-01-01	29785083522
1998-04-01	32077712657
1998-07-01	37266897438
1998-10-01	33926681447
1999-01-01	28018507896
1999-04-01	30765338135
1999-07-01	34523966385
1999-10-01	33232459242
2000-01-01	30249972823
2000-04-01	34071344426
2000-07-01	38935991684
2000-10-01	35669581228
2001-01-01	29974023669
2001-04-01	30131336981
2001-07-01	35277592824
2001-10-01	31331410372
2002-01-01	30367454571
2002-04-01	33468279864
2002-07-01	38370462208
2002-10-01	35657982300
2003-01-01	33586455610
2003-04-01	35268122492
2003-07-01	41445105236
2003-10-01	39413224377
2004-01-01	37808817641
2004-04-01	40827712615
2004-07-01	45794517658
2004-10-01	42900285543
2005-01-01	41546317069
2005-04-01	44634746958
2005-07-01	49730012012
2005-10-01	47916436161
2006-01-01	44252625302
2006-04-01	49048805863
2006-07-01	52605296685
2006-10-01	49457367817
2007-01-01	47657714745
2007-04-01	50859260384
2007-07-01	55764404593
2007-10-01	53106092140
2008-01-01	51624248070
2008-04-01	52864480922
2008-07-01	55424383290
2008-10-01	47320317963
2009-01-01	41439770038
2009-04-01	46572764479
2009-07-01	52689124788
2009-10-01	50076438372
2010-01-01	47490002334
2010-04-01	51837007493
2010-07-01	56164426910
2010-10-01	56392898964
2011-01-01	54659310590
2011-04-01	58024878777
2011-07-01	61380512832