Quarter	National Currency
1988-01-01	27176758469
1988-04-01	28450744020
1988-07-01	28530270076
1988-10-01	28840740990
1989-01-01	28987949980
1989-04-01	29668704740
1989-07-01	28986413843
1989-10-01	28820749969
1990-01-01	28160818046
1990-04-01	29731821761
1990-07-01	29540066555
1990-10-01	32284104882
1991-01-01	28541755553
1991-04-01	30564869407
1991-07-01	30639238758
1991-10-01	34094038142
1992-01-01	30705574062
1992-04-01	32457291724
1992-07-01	32024130207
1992-10-01	33939324246
1993-01-01	31230738385
1993-04-01	32415676641
1993-07-01	31805537753
1993-10-01	33380020724
1994-01-01	31492318101
1994-04-01	33446525943
1994-07-01	33364577741
1994-10-01	35115651102
1995-01-01	32675865573
1995-04-01	34736553781
1995-07-01	34320007764
1995-10-01	36325390239
1996-01-01	34626658119
1996-04-01	37823635449
1996-07-01	37221353250
1996-10-01	39635916770
1997-01-01	36978831581
1997-04-01	39828774698
1997-07-01	38942813918
1997-10-01	41394318581
1998-01-01	39489513527
1998-04-01	41524329228
1998-07-01	41161896067
1998-10-01	43355244333
1999-01-01	41326347578
1999-04-01	43132295727
1999-07-01	42250468918
1999-10-01	44166071893
2000-01-01	42779066599
2000-04-01	45071520307
2000-07-01	43922697365
2000-10-01	45630459839
2001-01-01	44202504816
2001-04-01	46380169140
2001-07-01	44916406991
2001-10-01	46527947239
2002-01-01	44773900128
2002-04-01	47963137454
2002-07-01	46739419365
2002-10-01	48477959347
2003-01-01	46176901906
2003-04-01	49195549706
2003-07-01	47847027456
2003-10-01	49542769942
2004-01-01	47668210931
2004-04-01	49632131944
2004-07-01	48938846904
2004-10-01	50967682914
2005-01-01	50146132617
2005-04-01	52663524347
2005-07-01	51247736003
2005-10-01	53962185732
2006-01-01	52549346381
2006-04-01	57001969765
2006-07-01	54211661076
2006-10-01	57542221710
2007-01-01	56429106466
2007-04-01	60381377694
2007-07-01	57684696174
2007-10-01	61314645291
2008-01-01	60338894359
2008-04-01	63784426306
2008-07-01	60686404157
2008-10-01	63646124549
2009-01-01	59548691415
2009-04-01	62124222867
2009-07-01	57960622446
2009-10-01	59032279712
2010-01-01	57919401119
2010-04-01	61146171287
2010-07-01	57729178214
2010-10-01	59495140015
2011-01-01	58749352780
2011-04-01	62538657783