Quarter	National currency, sum over component sub-periods
1988-07-01	854000000
1988-10-01	-601000000
1989-01-01	1696000000
1989-04-01	2135000000
1989-07-01	3357000000
1989-10-01	2730000000
1990-01-01	253000000
1990-04-01	-1115000000
1990-07-01	2451000000
1990-10-01	3837000000
1991-01-01	-1549000000
1991-04-01	-269000000
1991-07-01	-951000000
1991-10-01	521000000
1992-01-01	1015000000
1992-04-01	3053000000
1992-07-01	761000000
1992-10-01	652000000
1993-01-01	978000000
1993-04-01	-1591000000
1993-07-01	-1184000000
1993-10-01	1675000000
1994-01-01	-4584000000
1994-04-01	5135000000
1994-07-01	467000000
1994-10-01	-2812000000
1995-01-01	1856000000
1995-04-01	-68000000
1995-07-01	-2323000000
1995-10-01	427000000
1996-01-01	637000000
1996-04-01	1388000000
1996-07-01	820000000
1996-10-01	-843000000
1997-01-01	4559000000
1997-04-01	507000000
1997-07-01	1204000000
1997-10-01	5096000000
1998-01-01	743000000
1998-04-01	4487000000
1998-07-01	3806000000
1998-10-01	8803000000
1999-01-01	1361000000
1999-04-01	7368000000
1999-07-01	4423000000
1999-10-01	7834000000
2000-01-01	3251000000
2000-04-01	-1307000000
2000-07-01	1890000000
2000-10-01	3662000000
2001-01-01	11593000000
2001-04-01	-5617000000
2001-07-01	-7472000000
2001-10-01	7694000000
2002-01-01	2775000000
2002-04-01	12364000000
2002-07-01	1376000000
2002-10-01	5855000000
2003-01-01	1057000000
2003-04-01	9329000000
2003-07-01	-6423000000
2003-10-01	8072000000
2004-01-01	-1397000000
2004-04-01	-5773000000
2004-07-01	-8174000000
2004-10-01	13025000000
2005-01-01	7744000000
2005-04-01	-1795000000
2005-07-01	8872000000
2005-10-01	2299000000
2006-01-01	-961000000
2006-04-01	11199000000
2006-07-01	-248000000
2006-10-01	824000000
2007-01-01	2674000000
2007-04-01	17390000000
2007-07-01	-3686000000
2007-10-01	20434000000
2008-01-01	-7392000000
2008-04-01	15589000000
2008-07-01	32673000000
2008-10-01	12551000000
2009-01-01	-16901000000
2009-04-01	-6276000000
2009-07-01	-6900000000
2009-10-01	5085000000
2010-01-01	-25083000000
2010-04-01	2473000000
2010-07-01	-15113000000
2010-10-01	1605000000
2011-01-01	13320000000
2011-04-01	20688000000
2011-07-01	10941000000
2011-10-01	-31456000000
2012-01-01	6916000000
2012-04-01	9590000000
2012-07-01	6231000000
2012-10-01	12477000000
2013-01-01	-8200000000
2013-04-01	1041000000
2013-07-01	9360000000
2013-10-01	17701000000
2014-01-01	8705000000
2014-04-01	11954000000
2014-07-01	-4383000000
2014-10-01	-8896000000
2015-01-01	15785000000
2015-04-01	12122000000
2015-07-01	17369000000
2015-10-01	15726000000
2016-01-01	4553000000
2016-04-01	19420000000
2016-07-01	1320000000
2016-10-01	429000000
2017-01-01	-10135000000
2017-04-01	2672000000
2017-07-01	-18617000000
2017-10-01	14297000000
2018-01-01	-894000000
2018-04-01	-5912000000