Quarter	National Currency
1987-01-01	68115416360
1987-04-01	71974224476
1987-07-01	69115564064
1987-10-01	73640361559
1988-01-01	71615253937
1988-04-01	73804137495
1988-07-01	70374298221
1988-10-01	75942152765
1989-01-01	74565904448
1989-04-01	77136662382
1989-07-01	73095604447
1989-10-01	79074562754
1990-01-01	77521270069
1990-04-01	79701384289
1990-07-01	75884591265
1990-10-01	82593341440
1991-01-01	79084680974
1991-04-01	82097910203
1991-07-01	77902138557
1991-10-01	84404541884
1992-01-01	81846601377
1992-04-01	83060915914
1992-07-01	78780297991
1992-10-01	84502035800
1993-01-01	81993135748
1993-04-01	84203513418
1993-07-01	80360237883
1993-10-01	85506779763
1994-01-01	83704833282
1994-04-01	86473699758
1994-07-01	82562194367
1994-10-01	88598658317
1995-01-01	86710824804
1995-04-01	88861247999
1995-07-01	84982159664
1995-10-01	90901320268
1996-01-01	88256572760
1996-04-01	91961509904
1996-07-01	88110695912
1996-10-01	93759525960
1997-01-01	91594277948
1997-04-01	95812899799
1997-07-01	91869956587
1997-10-01	98060114546
1998-01-01	96291179897
1998-04-01	99450680536
1998-07-01	94723506475
1998-10-01	101158359295
1999-01-01	99954391627
1999-04-01	103285420387
1999-07-01	99042661910
1999-10-01	107171980200
2000-01-01	104988314946
2000-04-01	108029132130
2000-07-01	102704340991
2000-10-01	110107149443
2001-01-01	107538533555
2001-04-01	110563826939
2001-07-01	104471194892
2001-10-01	111224244154
2002-01-01	107437406267
2002-04-01	110798473777
2002-07-01	105198086594
2002-10-01	111186035183
2003-01-01	108551146804
2003-04-01	110643517982
2003-07-01	105255456091
2003-10-01	112292097921
2004-01-01	110230854318
2004-04-01	113169269099
2004-07-01	108249177788
2004-10-01	115254699156
2005-01-01	111574081882
2005-04-01	115613101574
2005-07-01	110962180365
2005-10-01	118032636178
2006-01-01	115368207045
2006-04-01	119331284179
2006-07-01	114608433688
2006-10-01	122068281971
2007-01-01	118850059863
2007-04-01	123150599521
2007-07-01	119737921489
2007-10-01	128362399129
2008-01-01	123628866694
2008-04-01	127188994344
2008-07-01	122089786764
2008-10-01	127221691202
2009-01-01	118426485696
2009-04-01	121252348990
2009-07-01	118224977379
2009-10-01	125077876915
2010-01-01	119450641394
2010-04-01	124330711569
2010-07-01	120750840297
2010-10-01	128485837268
2011-01-01	123239007981