Quarter	National currency, sum over component sub-periods
2002-01-01	447000000
2002-04-01	725000000
2002-07-01	149000000
2002-10-01	312000000
2003-01-01	253000000
2003-04-01	203000000
2003-07-01	342000000
2003-10-01	442000000
2004-01-01	991000000
2004-04-01	80000000
2004-07-01	656000000
2004-10-01	659000000
2005-01-01	811000000
2005-04-01	236000000
2005-07-01	298000000
2005-10-01	702000000
2006-01-01	738000000
2006-04-01	770000000
2006-07-01	557000000
2006-10-01	976000000
2007-01-01	1917000000
2007-04-01	420000000
2007-07-01	174000000
2007-10-01	1821000000
2008-01-01	1416000000
2008-04-01	768000000
2008-07-01	860000000
2008-10-01	1048000000
2009-01-01	479000000
2009-04-01	422000000
2009-07-01	619000000
2009-10-01	496000000
2010-01-01	149000000
2010-04-01	-12000000
2010-07-01	633000000
2010-10-01	1303000000
2011-01-01	312000000
2011-04-01	-2000000
2011-07-01	841000000
2011-10-01	1520000000
2012-01-01	1054000000
2012-04-01	15000000
2012-07-01	515000000
2012-10-01	744000000
2013-01-01	1093000000
2013-04-01	16000000
2013-07-01	1674000000
2013-10-01	258000000
2014-01-01	1462000000
2014-04-01	380000000
2014-07-01	-53000000
2014-10-01	721000000
2015-01-01	480000000
2015-04-01	126000000
2015-07-01	-54000000
2015-10-01	1436000000
2016-01-01	689000000
2016-04-01	-43000000
2016-07-01	-33000000
2016-10-01	423000000
2017-01-01	235000000
2017-04-01	109000000
2017-07-01	9000000
2017-10-01	561000000
2018-01-01	188000000
2018-04-01	-4000000