Quarter	National Currency
1998-01-01	10110007054
1998-04-01	10441187182
1998-07-01	10911240398
1998-10-01	10971381220
1999-01-01	11176185223
1999-04-01	11587158093
1999-07-01	12139323026
1999-10-01	12251468490
2000-01-01	12387802634
2000-04-01	12910811163
2000-07-01	13589678282
2000-10-01	14047725838
2001-01-01	14094191301
2001-04-01	14520324418
2001-07-01	15115312218
2001-10-01	15124098391
2002-01-01	15145824275
2002-04-01	15499363768
2002-07-01	15981144681
2002-10-01	16205237175
2003-01-01	16353403517
2003-04-01	16811385301
2003-07-01	17193791434
2003-10-01	17568630307
2004-01-01	17676756686
2004-04-01	18268239752
2004-07-01	18778625715
2004-10-01	19065021601
2005-01-01	19431616979
2005-04-01	20109886972
2005-07-01	20778590789
2005-10-01	21588769937
2006-01-01	21767710587
2006-04-01	22268039490
2006-07-01	22407595721
2006-10-01	23187886856
2007-01-01	23534967116
2007-04-01	24132896968
2007-07-01	24820153683
2007-10-01	25529542648
2008-01-01	25036088401
2008-04-01	25045434935
2008-07-01	24828234098
2008-10-01	25048644549
2009-01-01	23892532486
2009-04-01	23086984725
2009-07-01	22486938654
2009-10-01	22336478020
2010-01-01	21708636781
2010-04-01	21742712135
2010-07-01	21473327767
2010-10-01	21544267708
2011-01-01	21208975786