Quarter	National currency, sum over component sub-periods
1999-01-01	499000000
1999-04-01	1119000000
1999-07-01	153000000
1999-10-01	1022000000
2000-01-01	466000000
2000-04-01	261000000
2000-07-01	728000000
2000-10-01	1811000000
2001-01-01	444000000
2001-04-01	109000000
2001-07-01	163000000
2001-10-01	533000000
2002-01-01	463000000
2002-04-01	-447000000
2002-07-01	-12000000
2002-10-01	136000000
2003-01-01	283000000
2003-04-01	-349000000
2003-07-01	65000000
2003-10-01	2338000000
2004-01-01	111000000
2004-04-01	252000000
2004-07-01	125000000
2004-10-01	1250000000
2005-01-01	-83000000
2005-04-01	159000000
2005-07-01	1029000000
2005-10-01	174000000
2006-01-01	-288000000
2006-04-01	186000000
2006-07-01	1246000000
2006-10-01	781000000
2007-01-01	139000000
2007-04-01	408000000
2007-07-01	851000000
2007-10-01	929000000
2008-01-01	-102000000
2008-04-01	98000000
2008-07-01	250000000
2008-10-01	614000000
2009-01-01	-210000000
2009-04-01	73000000
2009-07-01	-55000000
2009-10-01	704000000
2010-01-01	-86000000
2010-04-01	10000000
2010-07-01	-61000000
2010-10-01	259000000
2011-01-01	-131000000
2011-04-01	-632000000
2011-07-01	-103000000
2011-10-01	1948000000
2012-01-01	-65000000
2012-04-01	26000000
2012-07-01	93000000
2012-10-01	2070000000
2013-01-01	22000000
2013-04-01	-134000000
2013-07-01	121000000
2013-10-01	2389000000
2014-01-01	-67000000
2014-04-01	18000000
2014-07-01	346000000
2014-10-01	3327000000
2015-01-01	34000000
2015-04-01	179000000
2015-07-01	285000000
2015-10-01	4587000000
2016-01-01	-254000000
2016-04-01	-405000000
2016-07-01	-12000000
2016-10-01	-479000000
2017-01-01	-84000000
2017-04-01	-424000000
2017-07-01	-118000000
2017-10-01	788000000
2018-01-01	-125000000
2018-04-01	-476000000