Quarter	National Currency
1987-01-01	15849557816
1987-04-01	14388476520
1987-07-01	13788841583
1987-10-01	16193461254
1988-01-01	16206145294
1988-04-01	14539652792
1988-07-01	13925488245
1988-10-01	16566366373
1989-01-01	16593757480
1989-04-01	15468204088
1989-07-01	14409724444
1989-10-01	17304174585
1990-01-01	17307240629
1990-04-01	15735510823
1990-07-01	14970267238
1990-10-01	17926189915
1991-01-01	17757812924
1991-04-01	16352724269
1991-07-01	15262731858
1991-10-01	18086831917
1992-01-01	18163886107
1992-04-01	16134282063
1992-07-01	15281355010
1992-10-01	17946065358
1993-01-01	17985696122
1993-04-01	15925805151
1993-07-01	15340043625
1993-10-01	18140810308
1994-01-01	18588604817
1994-04-01	16877018219
1994-07-01	15973724738
1994-10-01	18870591592
1995-01-01	19399556752
1995-04-01	17447902122
1995-07-01	16453337284
1995-10-01	19048290654
1996-01-01	19841180181
1996-04-01	17923680755
1996-07-01	16937414353
1996-10-01	19377715748
1997-01-01	18962470209
1997-04-01	18120665873
1997-07-01	17002068908
1997-10-01	19652669947
1998-01-01	19510406731
1998-04-01	18533134490
1998-07-01	17268075759
1998-10-01	19799238739
1999-01-01	19794970660
1999-04-01	18925281059
1999-07-01	17758129325
1999-10-01	20914377768
2000-01-01	21161472517
2000-04-01	20235560054
2000-07-01	18561745885
2000-10-01	21581150102
2001-01-01	21569294575
2001-04-01	20707437306
2001-07-01	18615402636
2001-10-01	21492357878
2002-01-01	21351158083
2002-04-01	20769470202
2002-07-01	19189703273
2002-10-01	21831784277
2003-01-01	21614077558
2003-04-01	19869091713
2003-07-01	18782260750
2003-10-01	21694522263
2004-01-01	22279983722
2004-04-01	20900033176
2004-07-01	19749321011
2004-10-01	22431451640
2005-01-01	22216163880
2005-04-01	21222845459
2005-07-01	19799414707
2005-10-01	22421575955
2006-01-01	23227711792
2006-04-01	21496933319
2006-07-01	19844388240
2006-10-01	22711219462
2007-01-01	22776165461
2007-04-01	21600617647
2007-07-01	21129232111
2007-10-01	25221367799
2008-01-01	24044299753
2008-04-01	22364872980
2008-07-01	21116245910
2008-10-01	23561016914
2009-01-01	21561122827
2009-04-01	19495623981
2009-07-01	19836814198
2009-10-01	23338132506
2010-01-01	23161025262
2010-04-01	21707372432
2010-07-01	21108461791
2010-10-01	24825043871
2011-01-01	24007090183