Quarter	National currency, sum over component sub-periods
1981-01-01	993000000
1981-04-01	6174000000
1981-07-01	4118000000
1981-10-01	3409000000
1982-01-01	3122000000
1982-04-01	2948000000
1982-07-01	-2196000000
1982-10-01	1287000000
1983-01-01	1196000000
1983-04-01	2208000000
1983-07-01	-114000000
1983-10-01	224000000
1984-01-01	4946000000
1984-04-01	5068000000
1984-07-01	-2968000000
1984-10-01	-1555000000
1985-01-01	3718000000
1985-04-01	-4616000000
1985-07-01	742000000
1985-10-01	-1047000000
1986-01-01	10071000000
1986-04-01	-2881000000
1986-07-01	-433000000
1986-10-01	2904000000
1987-01-01	-1706000000
1987-04-01	-3696000000
1987-07-01	225000000
1987-10-01	1586000000
1988-01-01	-6632000000
1988-04-01	-2030000000
1988-07-01	-1830000000
1988-10-01	784000000
1989-01-01	6460000000
1989-04-01	-8998000000
1989-07-01	1695000000
1989-10-01	2361000000
1990-01-01	-3725000000
1990-04-01	1100000000
1990-07-01	3123000000
1990-10-01	2373000000
1991-01-01	-4946000000
1991-04-01	-3164000000
1991-07-01	1267000000
1991-10-01	-792000000
1992-01-01	-6788000000
1992-04-01	2995000000
1992-07-01	6135000000
1992-10-01	-6966000000
1993-01-01	-622000000
1993-04-01	-7544000000
1993-07-01	6786000000
1993-10-01	-9279000000
1994-01-01	3286000000
1994-04-01	9818000000
1994-07-01	188000000
1994-10-01	3971000000
1995-01-01	3782000000
1995-04-01	3330000000
1995-07-01	-1450000000
1995-10-01	-1610000000
1996-01-01	-2010000000
1996-04-01	14397000000
1996-07-01	-1453000000
1996-10-01	8805000000
1997-01-01	14190000000
1997-04-01	7231000000
1997-07-01	-9274000000
1997-10-01	2841000000
1998-01-01	-10033000000
1998-04-01	-2257000000
1998-07-01	-7725000000
1998-10-01	-416000000
1999-01-01	-26226000000
1999-04-01	-5947000000
1999-07-01	10143000000
1999-10-01	-241000000
2000-01-01	-6118000000
2000-04-01	9035000000
2000-07-01	240000000
2000-10-01	-1881000000
2001-01-01	-4712000000
2001-04-01	-4169000000
2001-07-01	-3641000000
2001-10-01	24290000000
2002-01-01	6766000000
2002-04-01	-5496000000
2002-07-01	1041000000
2002-10-01	4925000000
2003-01-01	22988000000
2003-04-01	-7210000000
2003-07-01	-5083000000
2003-10-01	6151000000
2004-01-01	-3548000000
2004-04-01	13834000000
2004-07-01	-4835000000
2004-10-01	-103000000
2005-01-01	10142000000
2005-04-01	1292000000
2005-07-01	12679000000
2005-10-01	-8322000000
2006-01-01	16660000000
2006-04-01	21032000000
2006-07-01	10003000000
2006-10-01	-17447000000
2007-01-01	12620000000
2007-04-01	16324000000
2007-07-01	18782000000
2007-10-01	9578000000
2008-01-01	18248000000
2008-04-01	6233000000
2008-07-01	-690000000
2008-10-01	10697000000
2009-01-01	578000000
2009-04-01	430000000
2009-07-01	16941000000
2009-10-01	16555000000
2010-01-01	29547000000
2010-04-01	4607000000
2010-07-01	-7378000000
2010-10-01	16864000000
2011-01-01	9579000000
2011-04-01	24064000000
2011-07-01	-6680000000
2011-10-01	8851000000
2012-01-01	-7130000000
2012-04-01	2446000000
2012-07-01	25231000000
2012-10-01	10774000000
2013-01-01	-5134000000
2013-04-01	-5448000000
2013-07-01	-14978000000
2013-10-01	17034000000
2014-01-01	-2578000000
2014-04-01	19085000000
2014-07-01	-4177000000
2014-10-01	2421000000
2015-01-01	16696000000
2015-04-01	-12178000000
2015-07-01	10188000000
2015-10-01	18572000000
2016-01-01	2433000000
2016-04-01	43500000000
2016-07-01	8277000000
2016-10-01	29381000000
2017-01-01	-16235000000
2017-04-01	1910000000
2017-07-01	-424000000
2017-10-01	53667000000
2018-01-01	-24014000000
2018-04-01	-2604000000