Quarter	National currency, sum over component sub-periods
2002-01-01	4405000000
2002-04-01	823000000
2002-07-01	1870000000
2002-10-01	1160000000
2003-01-01	2420000000
2003-04-01	1289000000
2003-07-01	-667000000
2003-10-01	527000000
2004-01-01	2802000000
2004-04-01	2746000000
2004-07-01	2875000000
2004-10-01	-4263000000
2005-01-01	7467000000
2005-04-01	3964000000
2005-07-01	821000000
2005-10-01	-5266000000
2006-01-01	1270000000
2006-04-01	-1989000000
2006-07-01	6090000000
2006-10-01	1120000000
2007-01-01	9364000000
2007-04-01	-1048000000
2007-07-01	2494000000
2007-10-01	5593000000
2008-01-01	3890000000
2008-04-01	4050000000
2008-07-01	10752000000
2008-10-01	9003000000
2009-01-01	6317000000
2009-04-01	6722000000
2009-07-01	5037000000
2009-10-01	2404000000
2010-01-01	10208000000
2010-04-01	12623000000
2010-07-01	-11471000000
2010-10-01	-11538000000
2011-01-01	-3576000000
2011-04-01	10499000000
2011-07-01	-261000000
2011-10-01	-3960000000
2012-01-01	-11192000000
2012-04-01	4238000000
2012-07-01	-8210000000
2012-10-01	-3201000000
2013-01-01	-18044000000
2013-04-01	-904000000
2013-07-01	-53000000
2013-10-01	-2188000000
2014-01-01	-2946000000
2014-04-01	-2600000000
2014-07-01	-2459000000
2014-10-01	1117000000
2015-01-01	13787000000
2015-04-01	9439000000
2015-07-01	-2811000000
2015-10-01	-3714000000
2016-01-01	-1961000000
2016-04-01	-3295000000
2016-07-01	-5981000000
2016-10-01	-4221000000
2017-01-01	-2508000000
2017-04-01	-3169000000
2017-07-01	-2322000000
2017-10-01	-3428000000
2018-01-01	-2618000000
2018-04-01	-5627000000