Quarter	National currency, sum over component sub-periods
2002-01-01	6568000000
2002-04-01	1425000000
2002-07-01	2556000000
2002-10-01	2657000000
2003-01-01	3303000000
2003-04-01	1883000000
2003-07-01	1284000000
2003-10-01	1835000000
2004-01-01	3337000000
2004-04-01	7613000000
2004-07-01	4388000000
2004-10-01	-1434000000
2005-01-01	14074000000
2005-04-01	8806000000
2005-07-01	4711000000
2005-10-01	-988000000
2006-01-01	6563000000
2006-04-01	-1592000000
2006-07-01	10586000000
2006-10-01	1309000000
2007-01-01	15283000000
2007-04-01	4038000000
2007-07-01	9129000000
2007-10-01	8451000000
2008-01-01	3851000000
2008-04-01	12850000000
2008-07-01	5472000000
2008-10-01	7319000000
2009-01-01	5778000000
2009-04-01	14920000000
2009-07-01	13678000000
2009-10-01	-2398000000
2010-01-01	6852000000
2010-04-01	7912000000
2010-07-01	-14820000000
2010-10-01	-12245000000
2011-01-01	-4482000000
2011-04-01	7037000000
2011-07-01	1972000000
2011-10-01	-4692000000
2012-01-01	887000000
2012-04-01	31835000000
2012-07-01	-8407000000
2012-10-01	15945000000
2013-01-01	-21808000000
2013-04-01	4042000000
2013-07-01	-3078000000
2013-10-01	-1865000000
2014-01-01	-1323000000
2014-04-01	554000000
2014-07-01	534000000
2014-10-01	4891000000
2015-01-01	8657000000
2015-04-01	10914000000
2015-07-01	1317000000
2015-10-01	4676000000
2016-01-01	1722000000
2016-04-01	-7742000000
2016-07-01	-778000000
2016-10-01	-2575000000
2017-01-01	-1163000000
2017-04-01	-5432000000
2017-07-01	-10375000000
2017-10-01	-13213000000
2018-01-01	-4573000000
2018-04-01	-5283000000