Quarter	National Currency
1988-01-01	11710372989
1988-04-01	12790948598
1988-07-01	12387842855
1988-10-01	13272292583
1989-01-01	12467652991
1989-04-01	13698242269
1989-07-01	13293073620
1989-10-01	14265012976
1990-01-01	13423136957
1990-04-01	14838637565
1990-07-01	14422850728
1990-10-01	15457755066
1991-01-01	14515637939
1991-04-01	16048453250
1991-07-01	15614803751
1991-10-01	16701553404
1992-01-01	15596625533
1992-04-01	17147183284
1992-07-01	16621385188
1992-10-01	17560793406
1993-01-01	16185972447
1993-04-01	17620608696
1993-07-01	17107357630
1993-10-01	18141102485
1994-01-01	16756168402
1994-04-01	18330973604
1994-07-01	17823560943
1994-10-01	18735882145
1995-01-01	17265474705
1995-04-01	18751409304
1995-07-01	18171436709
1995-10-01	19075423283
1996-01-01	17467057929
1996-04-01	19098149147
1996-07-01	18639954166
1996-10-01	19598292831
1997-01-01	17753641975
1997-04-01	19530141018
1997-07-01	19015303316
1997-10-01	20083314772
1998-01-01	18479122856
1998-04-01	20406277005
1998-07-01	19828702038
1998-10-01	20931623089
1999-01-01	19214472287
1999-04-01	21109869633
1999-07-01	20515184774
1999-10-01	21666481683
2000-01-01	20016855547
2000-04-01	21991381316
2000-07-01	21289920856
2000-10-01	22373041199
2001-01-01	20579001595
2001-04-01	22484736500
2001-07-01	21696469497
2001-10-01	22713955343
2002-01-01	21016047729
2002-04-01	23066144162
2002-07-01	22293047988
2002-10-01	23208170643
2003-01-01	21571633539
2003-04-01	23542083736
2003-07-01	22693405053
2003-10-01	23709552143
2004-01-01	21919554840
2004-04-01	24004266541
2004-07-01	23161250606
2004-10-01	24314336372
2005-01-01	22750010747
2005-04-01	25026076097
2005-07-01	24224773563
2005-10-01	25408975152
2006-01-01	23782560090
2006-04-01	26264229439
2006-07-01	25470506953
2006-10-01	26880916790
2007-01-01	25302622639
2007-04-01	27704463487
2007-07-01	26814173810
2007-10-01	28185986566
2008-01-01	26771938171
2008-04-01	29223435487
2008-07-01	28080535376
2008-10-01	29218199798
2009-01-01	27014783716
2009-04-01	29139622106
2009-07-01	27974208981
2009-10-01	29126603908
2010-01-01	27206575485
2010-04-01	29708372623
2010-07-01	28720916033
2010-10-01	30118864876
2011-01-01	28357179386