Quarter	National Currency
1988-01-01	39184000802
1988-04-01	40272596268
1988-07-01	37845594053
1988-10-01	40870434335
1989-01-01	41320989743
1989-04-01	41812256283
1989-07-01	37536547456
1989-10-01	42511184481
1990-01-01	41088402470
1990-04-01	40580033619
1990-07-01	39059331847
1990-10-01	39053004868
1991-01-01	39377292790
1991-04-01	41523410902
1991-07-01	37505253424
1991-10-01	39177513297
1992-01-01	38456862585
1992-04-01	39467022577
1992-07-01	38798807516
1992-10-01	40316531061
1993-01-01	38963572656
1993-04-01	37537296147
1993-07-01	35996034893
1993-10-01	39855810856
1994-01-01	39071758943
1994-04-01	42386872531
1994-07-01	40433636502
1994-10-01	46848793894
1995-01-01	45792611687
1995-04-01	44217930700
1995-07-01	41403597567
1995-10-01	45503453001
1996-01-01	42896779595
1996-04-01	42185960735
1996-07-01	40662664895
1996-10-01	43039495768
1997-01-01	43586756322
1997-04-01	47558797690
1997-07-01	44222721052
1997-10-01	47230226699
1998-01-01	46926406545
1998-04-01	44228475728
1998-07-01	43914208839
1998-10-01	49004971381
1999-01-01	44653551042
1999-04-01	47154818707
1999-07-01	44207500535
1999-10-01	49603253988
2000-01-01	47899781680
2000-04-01	47602133157
2000-07-01	45887660730
2000-10-01	50912341862
2001-01-01	46572554821
2001-04-01	46968800506
2001-07-01	48580782121
2001-10-01	50287773919
2002-01-01	44520336506
2002-04-01	47308474705
2002-07-01	46660743529
2002-10-01	48343164769
2003-01-01	44689076876
2003-04-01	43991287229
2003-07-01	44460267106
2003-10-01	48543664448
2004-01-01	44887854353
2004-04-01	45534346981
2004-07-01	46048316232
2004-10-01	48047282393
2005-01-01	43404114138
2005-04-01	47505757828
2005-07-01	46077650342
2005-10-01	48552477692
2006-01-01	47737936985
2006-04-01	48908273231
2006-07-01	47650027835
2006-10-01	49627726933
2007-01-01	48506973042
2007-04-01	48622599605
2007-07-01	49613495753
2007-10-01	53271326957
2008-01-01	49366399188
2008-04-01	53644420580
2008-07-01	52204759384
2008-10-01	52255744123
2009-01-01	46311268683
2009-04-01	44869650619
2009-07-01	44564439186
2009-10-01	46552684896
2010-01-01	43220076589
2010-04-01	47482367983
2010-07-01	48671831155
2010-10-01	47327995659
2011-01-01	44913467356
2011-04-01	50621796879