Quarter	National currency, sum over component sub-periods
1988-07-01	4830000000
1988-10-01	4573000000
1989-01-01	2095000000
1989-04-01	4000000000
1989-07-01	2039000000
1989-10-01	2318000000
1990-01-01	3596000000
1990-04-01	21000000
1990-07-01	1482000000
1990-10-01	1066000000
1991-01-01	2594000000
1991-04-01	-3601000000
1991-07-01	2049000000
1991-10-01	4282000000
1992-01-01	-625000000
1992-04-01	1226000000
1992-07-01	520000000
1992-10-01	2085000000
1993-01-01	996000000
1993-04-01	2387000000
1993-07-01	3270000000
1993-10-01	4703000000
1994-01-01	3792000000
1994-04-01	1445000000
1994-07-01	-2708000000
1994-10-01	-497000000
1995-01-01	1781000000
1995-04-01	2204000000
1995-07-01	2470000000
1995-10-01	6568000000
1996-01-01	2031000000
1996-04-01	6368000000
1996-07-01	6189000000
1996-10-01	5847000000
1997-01-01	9071000000
1997-04-01	-1302000000
1997-07-01	8298000000
1997-10-01	6864000000
1998-01-01	869000000
1998-04-01	3993000000
1998-07-01	373000000
1998-10-01	8645000000
1999-01-01	6962000000
1999-04-01	1636000000
1999-07-01	3190000000
1999-10-01	17393000000
2000-01-01	2599000000
2000-04-01	1657000000
2000-07-01	10760000000
2000-10-01	19649000000
2001-01-01	13998000000
2001-04-01	10014000000
2001-07-01	8301000000
2001-10-01	11734000000
2002-01-01	16207000000
2002-04-01	18535000000
2002-07-01	9366000000
2002-10-01	8265000000
2003-01-01	-4089000000
2003-04-01	22245000000
2003-07-01	8533000000
2003-10-01	28847000000
2004-01-01	19013000000
2004-04-01	13273000000
2004-07-01	2444000000
2004-10-01	22125000000
2005-01-01	9364000000
2005-04-01	-43672000000
2005-07-01	16622000000
2005-10-01	29349000000
2006-01-01	33058000000
2006-04-01	34802000000
2006-07-01	39015000000
2006-10-01	26402000000
2007-01-01	39111000000
2007-04-01	40544000000
2007-07-01	16344000000
2007-10-01	-3130000000
2008-01-01	29318000000
2008-04-01	26195000000
2008-07-01	18476000000
2008-10-01	4429000000
2009-01-01	11803000000
2009-04-01	38769000000
2009-07-01	33102000000
2009-10-01	47137000000
2010-01-01	8162000000
2010-04-01	24300000000
2010-07-01	13257000000
2010-10-01	34693000000
2011-01-01	23734000000
2011-04-01	45685000000
2011-07-01	46449000000
2011-10-01	-1662000000
2012-01-01	26759000000
2012-04-01	6375000000
2012-07-01	17108000000
2012-10-01	35679000000
2013-01-01	12524000000
2013-04-01	14806000000
2013-07-01	27219000000
2013-10-01	55873000000
2014-01-01	20167000000
2014-04-01	43007000000
2014-07-01	10209000000
2014-10-01	33327000000
2015-01-01	52821000000
2015-04-01	33842000000
2015-07-01	26915000000
2015-10-01	30641000000
2016-01-01	-9883000000
2016-04-01	16015000000
2016-07-01	-2602000000
2016-10-01	30603000000
2017-01-01	3220000000
2017-04-01	29697000000
2017-07-01	13213000000
2017-10-01	37201000000
2018-01-01	39811000000
2018-04-01	37350000000