Quarter	National Currency
1998-01-01	8522604.070316060
1998-04-01	9863396.206491290
1998-07-01	12248558.376116700
1998-10-01	12324388.708722500
1999-01-01	8290385.419336021
1999-04-01	10745243.332862101
1999-07-01	13309842.222114200
1999-10-01	13902511.653132100
2000-01-01	10143031.208302800
2000-04-01	12006923.743229000
2000-07-01	14421906.830171300
2000-10-01	15962199.810898900
2001-01-01	12084458.128252900
2001-04-01	14311484.233478000
2001-07-01	16850011.120733100
2001-10-01	15836440.742442599
2002-01-01	10687987.171613600
2002-04-01	12113256.614119000
2002-07-01	14232075.390794100
2002-10-01	13968969.697438300
2003-01-01	10995739.038323902
2003-04-01	14626393.120344300
2003-07-01	17738163.241050800
2003-10-01	19114355.973914700
2004-01-01	14376238.225366000
2004-04-01	17888971.880053400
2004-07-01	21394207.704101000
2004-10-01	24367097.552731800
2005-01-01	18894703.617220600
2005-04-01	24042475.567082300
2005-07-01	27709596.370850198
2005-10-01	32534279.982238602
2006-01-01	26570096.518861502
2006-04-01	35993165.580513805
2006-07-01	41800405.816183200
2006-10-01	45441965.833679400
2007-01-01	34232027.406399410
2007-04-01	42397164.973004500
2007-07-01	47747207.944895600
2007-10-01	49133965.802751705
2008-01-01	38326354.151386900
2008-04-01	44673097.382629200
2008-07-01	46828212.475810096
2008-10-01	42587848.438590795
2009-01-01	23594480.186361700
2009-04-01	22855943.868353803
2009-07-01	25781461.059761200
2009-10-01	28832055.698657703
2010-01-01	18300767.034559500
2010-04-01	19549500.000000000
2010-07-01	21501833.333333300
2010-10-01	21853000.000000000
2011-01-01	15981833.333333300
2011-04-01	17838500.000000000
2011-07-01	20459666.666666698
2011-10-01	22857000.000000000
2012-01-01	15642500.000000000
2012-04-01	18492500.000000000
2012-07-01	21740833.333333300
2012-10-01	24000500.000000000
2013-01-01	18488666.666666698
2013-04-01	21047500.000000000
2013-07-01	24834000.000000000
2013-10-01	27421500.000000000
2014-01-01	21003000.000000000
2014-04-01	25112000.000000000
2014-07-01	29120000.000000000
2014-10-01	31314500.000000000
2015-01-01	23401000.000000000
2015-04-01	30508500.000000000
2015-07-01	34124833.333333300
2015-10-01	38318000.000000000
2016-01-01	31007666.666666700
2016-04-01	42576500.000000000
2016-07-01	49969333.333333306
2016-10-01	50754500.000000000
2017-01-01	41068500.000000000
2017-04-01	50934500.000000000
2017-07-01	57143000.000000000
2017-10-01	60523000.000000000
2018-01-01	46894333.333333300
2018-04-01	55174500.000000000