Quarter	National Currency
2004-01-01	22026
2004-04-01	26155
2004-07-01	28772
2004-10-01	55061
2005-01-01	23505
2005-04-01	28492
2005-07-01	31465
2005-10-01	58157
2006-01-01	23496
2006-04-01	33279
2006-07-01	36523
2006-10-01	65735
2007-01-01	35383
2007-04-01	44129
2007-07-01	50995
2007-10-01	79386
2008-01-01	42113
2008-04-01	47665
2008-07-01	54610
2008-10-01	80246
2009-01-01	44504
2009-04-01	52003
2009-07-01	55973
2009-10-01	80839
2010-01-01	42424
2010-04-01	44528
2010-07-01	47676
2010-10-01	81913
2011-01-01	41920
2011-04-01	45214
2011-07-01	52563
2011-10-01	87414
2012-01-01	42775
2012-04-01	47586
2012-07-01	57625
2012-10-01	93438
2013-01-01	44202
2013-04-01	52689
2013-07-01	62146
2013-10-01	99082
2014-01-01	53040
2014-04-01	63028
2014-07-01	71826
2014-10-01	116300
2015-01-01	76372
2015-04-01	59646
2015-07-01	67557
2015-10-01	102816
2016-01-01	54022
2016-04-01	63298
2016-07-01	64803
2016-10-01	96172
2017-01-01	41600
2017-04-01	55058
2017-07-01	65632
2017-10-01	110325
2018-01-01	64276
2018-04-01	55015
2018-07-01	58041