Quarter	National Currency
1988-01-01	12764415229
1988-04-01	13348739129
1988-07-01	14041519747
1988-10-01	14137205455
1989-01-01	13829050211
1989-04-01	14035171018
1989-07-01	14842286785
1989-10-01	14602013657
1990-01-01	14204618936
1990-04-01	14707753584
1990-07-01	15364997065
1990-10-01	15445968329
1991-01-01	14858044806
1991-04-01	15119221075
1991-07-01	16079131694
1991-10-01	15964780902
1992-01-01	15420321740
1992-04-01	15665206739
1992-07-01	16272708388
1992-10-01	16634883476
1993-01-01	15514257861
1993-04-01	15685273770
1993-07-01	16391034683
1993-10-01	16375753516
1994-01-01	16127287088
1994-04-01	15561324234
1994-07-01	16367862468
1994-10-01	16629412667
1995-01-01	16521750512
1995-04-01	16342068367
1995-07-01	17139739336
1995-10-01	16854802970
1996-01-01	17042714668
1996-04-01	16859461528
1996-07-01	17558462607
1996-10-01	17352691755
1997-01-01	17346438972
1997-04-01	17125947322
1997-07-01	18197473393
1997-10-01	18155659909
1998-01-01	18090412890
1998-04-01	18198768751
1998-07-01	18990044419
1998-10-01	18906207524
1999-01-01	18940309130
1999-04-01	18654338109
1999-07-01	19749739977
1999-10-01	19627839801
2000-01-01	19878101096
2000-04-01	19386953752
2000-07-01	20600390786
2000-10-01	20637634047
2001-01-01	20385107921
2001-04-01	19682715438
2001-07-01	20719005152
2001-10-01	20805945035
2002-01-01	20948157433
2002-04-01	20366275462
2002-07-01	21532429797
2002-10-01	21571051860
2003-01-01	21111394645
2003-04-01	20558376832
2003-07-01	21508488677
2003-10-01	21548969554
2004-01-01	21671821408
2004-04-01	21039098377
2004-07-01	22043453834
2004-10-01	22163372506
2005-01-01	22257870193
2005-04-01	21475508152
2005-07-01	22344476022
2005-10-01	23113350491
2006-01-01	22991244819
2006-04-01	22428941052
2006-07-01	23313671508
2006-10-01	24218382451
2007-01-01	23937440880
2007-04-01	23214249604
2007-07-01	23977702198
2007-10-01	24907101091
2008-01-01	24621373406
2008-04-01	23653498125
2008-07-01	24315364035
2008-10-01	25085217529
2009-01-01	23662617797
2009-04-01	22924067726
2009-07-01	23805215806
2009-10-01	24959529190
2010-01-01	23923694681
2010-04-01	23312117318
2010-07-01	24399364189
2010-10-01	25812948744
2011-01-01	24583729692
2011-04-01	23781787310