Quarter	National currency, sum over component sub-periods
1999-01-01	6112000000
1999-04-01	2893000000
1999-07-01	7259000000
1999-10-01	-4525000000
2000-01-01	7919000000
2000-04-01	5388000000
2000-07-01	3050000000
2000-10-01	1589000000
2001-01-01	5392000000
2001-04-01	-1313000000
2001-07-01	1369000000
2001-10-01	3858000000
2002-01-01	-1009000000
2002-04-01	-2634000000
2002-07-01	-1707000000
2002-10-01	-6858000000
2003-01-01	11856000000
2003-04-01	7687000000
2003-07-01	-1155000000
2003-10-01	-2380000000
2004-01-01	14700000000
2004-04-01	2305000000
2004-07-01	5500000000
2004-10-01	-4192000000
2005-01-01	16394000000
2005-04-01	8816000000
2005-07-01	3815000000
2005-10-01	867000000
2006-01-01	24033000000
2006-04-01	2278000000
2006-07-01	8990000000
2006-10-01	23327000000
2007-01-01	9103000000
2007-04-01	22413000000
2007-07-01	2248000000
2007-10-01	3390000000
2008-01-01	26031000000
2008-04-01	20181000000
2008-07-01	-3017000000
2008-10-01	-9719000000
2009-01-01	-1535000000
2009-04-01	-318000000
2009-07-01	954000000
2009-10-01	-20330000000
2010-01-01	10432000000
2010-04-01	5900000000
2010-07-01	-14659000000
2010-10-01	-17618000000
2011-01-01	22803000000
2011-04-01	-162000000
2011-07-01	1151000000
2011-10-01	609000000
2012-01-01	3220000000
2012-04-01	2851000000
2012-07-01	-694000000
2012-10-01	-6638000000
2013-01-01	3830000000
2013-04-01	5899000000
2013-07-01	-2772000000
2013-10-01	-10418000000
2014-01-01	-3854000000
2014-04-01	7419000000
2014-07-01	-11055000000
2014-10-01	-10623000000
2015-01-01	904000000
2015-04-01	-7312000000
2015-07-01	-1550000000
2015-10-01	-8757000000
2016-01-01	9091000000
2016-04-01	-8890000000
2016-07-01	-7581000000
2016-10-01	-11773000000
2017-01-01	14221000000
2017-04-01	4025000000
2017-07-01	-1510000000
2017-10-01	-9240000000
2018-01-01	14020000000
2018-04-01	-1225000000