Quarter	National currency, sum over component sub-periods
1999-01-01	6733000000
1999-04-01	4934000000
1999-07-01	9235000000
1999-10-01	-2036000000
2000-01-01	4951000000
2000-04-01	5388000000
2000-07-01	2648000000
2000-10-01	1832000000
2001-01-01	496000000
2001-04-01	1273000000
2001-07-01	1632000000
2001-10-01	-1520000000
2002-01-01	-3831000000
2002-04-01	4361000000
2002-07-01	553000000
2002-10-01	-6492000000
2003-01-01	7830000000
2003-04-01	-715000000
2003-07-01	4706000000
2003-10-01	-6258000000
2004-01-01	7635000000
2004-04-01	3317000000
2004-07-01	7417000000
2004-10-01	-1248000000
2005-01-01	13081000000
2005-04-01	14002000000
2005-07-01	7763000000
2005-10-01	153000000
2006-01-01	18967000000
2006-04-01	1611000000
2006-07-01	7654000000
2006-10-01	12056000000
2007-01-01	-4774000000
2007-04-01	15674000000
2007-07-01	-252000000
2007-10-01	1538000000
2008-01-01	12391000000
2008-04-01	19447000000
2008-07-01	-756000000
2008-10-01	-19352000000
2009-01-01	-5742000000
2009-04-01	-7752000000
2009-07-01	2865000000
2009-10-01	-13150000000
2010-01-01	14342000000
2010-04-01	1342000000
2010-07-01	-7120000000
2010-10-01	-13820000000
2011-01-01	15705000000
2011-04-01	-4074000000
2011-07-01	3194000000
2011-10-01	5000000
2012-01-01	9365000000
2012-04-01	700000000
2012-07-01	-1023000000
2012-10-01	-11185000000
2013-01-01	-424000000
2013-04-01	1484000000
2013-07-01	-7964000000
2013-10-01	-5202000000
2014-01-01	1004000000
2014-04-01	2002000000
2014-07-01	-3404000000
2014-10-01	-8971000000
2015-01-01	6932000000
2015-04-01	-5195000000
2015-07-01	2100000000
2015-10-01	-6127000000
2016-01-01	7692000000
2016-04-01	-2303000000
2016-07-01	1864000000
2016-10-01	-11439000000
2017-01-01	21446000000
2017-04-01	5299000000
2017-07-01	-8180000000
2017-10-01	-5219000000
2018-01-01	10248000000
2018-04-01	-163000000