Quarter	National Currency
1987-01-01	19791767557
1987-04-01	25015973728
1987-07-01	20546460060
1987-10-01	22838609943
1988-01-01	20830761736
1988-04-01	26017076297
1988-07-01	21042642931
1988-10-01	23567569097
1989-01-01	21479214823
1989-04-01	26847503606
1989-07-01	21969875809
1989-10-01	24652153132
1990-01-01	22865452611
1990-04-01	28522784315
1990-07-01	23539518973
1990-10-01	26421365601
1991-01-01	24711477352
1991-04-01	30298095041
1991-07-01	25149367785
1991-10-01	28062433088
1992-01-01	26307373316
1992-04-01	32257822259
1992-07-01	26740309563
1992-10-01	29475594515
1993-01-01	27319563874
1993-04-01	33461106437
1993-07-01	27488754452
1993-10-01	29906911527
1994-01-01	28173826453
1994-04-01	34389484860
1994-07-01	28369595531
1994-10-01	30868685740
1995-01-01	29304914771
1995-04-01	35659545693
1995-07-01	29845247384
1995-10-01	32054856863
1996-01-01	31176916447
1996-04-01	37523371303
1996-07-01	31265547702
1996-10-01	33366900730
1997-01-01	33300102794
1997-04-01	39628426111
1997-07-01	33028469635
1997-10-01	35439536508
1998-01-01	35809620207
1998-04-01	42568586839
1998-07-01	35366692827
1998-10-01	37865091778
1999-01-01	38234727016
1999-04-01	45570894655
1999-07-01	37690903567
1999-10-01	40422233731
2000-01-01	41291540436
2000-04-01	48858618498
2000-07-01	40361412910
2000-10-01	42871077480
2001-01-01	44009139988
2001-04-01	51932721759
2001-07-01	42907768349
2001-10-01	45239157216
2002-01-01	45793847958
2002-04-01	54233519259
2002-07-01	44000494811
2002-10-01	46421449692
2003-01-01	46046982659
2003-04-01	55087725055
2003-07-01	44595063106
2003-10-01	47224406692
2004-01-01	47138008406
2004-04-01	56511465479
2004-07-01	45609802658
2004-10-01	48492104700
2005-01-01	47644879431
2005-04-01	57463614809
2005-07-01	46473669380
2005-10-01	49249887616
2006-01-01	49145470887
2006-04-01	60270904543
2006-07-01	48096649441
2006-10-01	53177017238
2007-01-01	52325007397
2007-04-01	63463304337
2007-07-01	50891056232
2007-10-01	57044924913
2008-01-01	55480921393
2008-04-01	67037393012
2008-07-01	53122530844
2008-10-01	58158526961
2009-01-01	56111867967
2009-04-01	67688945989
2009-07-01	52872269611
2009-10-01	56872264653
2010-01-01	54463156520
2010-04-01	67008891637
2010-07-01	52844375008
2010-10-01	57141022339
2011-01-01	56000550223