Quarter	National currency, sum over component sub-periods
1981-01-01	5542000000
1981-04-01	12986000000
1981-07-01	4356000000
1981-10-01	5282000000
1982-01-01	3153000000
1982-04-01	439000000
1982-07-01	-5017000000
1982-10-01	-2462000000
1983-01-01	1437000000
1983-04-01	2682000000
1983-07-01	1209000000
1983-10-01	-395000000
1984-01-01	5092000000
1984-04-01	2360000000
1984-07-01	-1563000000
1984-10-01	-1758000000
1985-01-01	6171000000
1985-04-01	-6656000000
1985-07-01	1791000000
1985-10-01	3308000000
1986-01-01	7732000000
1986-04-01	-3201000000
1986-07-01	-4375000000
1986-10-01	4127000000
1987-01-01	644000000
1987-04-01	-3382000000
1987-07-01	171000000
1987-10-01	9451000000
1988-01-01	-4418000000
1988-04-01	-657000000
1988-07-01	686000000
1988-10-01	4446000000
1989-01-01	8035000000
1989-04-01	-288000000
1989-07-01	1716000000
1989-10-01	2201000000
1990-01-01	-540000000
1990-04-01	8227000000
1990-07-01	3629000000
1990-10-01	117000000
1991-01-01	2295000000
1991-04-01	-2905000000
1991-07-01	-1489000000
1991-10-01	2003000000
1992-01-01	-3673000000
1992-04-01	2779000000
1992-07-01	1854000000
1992-10-01	-3115000000
1993-01-01	-9612000000
1993-04-01	-3992000000
1993-07-01	217000000
1993-10-01	5620000000
1994-01-01	461000000
1994-04-01	8020000000
1994-07-01	3221000000
1994-10-01	10818000000
1995-01-01	7162000000
1995-04-01	-3327000000
1995-07-01	-11372000000
1995-10-01	2787000000
1996-01-01	-997000000
1996-04-01	5794000000
1996-07-01	2467000000
1996-10-01	14259000000
1997-01-01	21260000000
1997-04-01	9965000000
1997-07-01	-8162000000
1997-10-01	15986000000
1998-01-01	6677000000
1998-04-01	-3037000000
1998-07-01	-2119000000
1998-10-01	7900000000
1999-01-01	-8466000000
1999-04-01	-16740000000
1999-07-01	5155000000
1999-10-01	4154000000
2000-01-01	-2394000000
2000-04-01	6186000000
2000-07-01	-1421000000
2000-10-01	-1065000000
2001-01-01	4198000000
2001-04-01	-6180000000
2001-07-01	13963000000
2001-10-01	-2430000000
2002-01-01	4337000000
2002-04-01	-3227000000
2002-07-01	5271000000
2002-10-01	1871000000
2003-01-01	17131000000
2003-04-01	-21794000000
2003-07-01	8066000000
2003-10-01	14206000000
2004-01-01	-9161000000
2004-04-01	18256000000
2004-07-01	-8498000000
2004-10-01	-5132000000
2005-01-01	15877000000
2005-04-01	10483000000
2005-07-01	19025000000
2005-10-01	-9402000000
2006-01-01	14580000000
2006-04-01	32669000000
2006-07-01	9088000000
2006-10-01	-16216000000
2007-01-01	32897000000
2007-04-01	26548000000
2007-07-01	-1159000000
2007-10-01	7824000000
2008-01-01	14321000000
2008-04-01	-14011000000
2008-07-01	374000000
2008-10-01	6759000000
2009-01-01	6403000000
2009-04-01	-21109000000
2009-07-01	26225000000
2009-10-01	-2506000000
2010-01-01	15916000000
2010-04-01	-25726000000
2010-07-01	-3125000000
2010-10-01	13949000000
2011-01-01	3388000000
2011-04-01	3912000000
2011-07-01	-19670000000
2011-10-01	14214000000
2012-01-01	-6672000000
2012-04-01	-14791000000
2012-07-01	36351000000
2012-10-01	29849000000
2013-01-01	-5672000000
2013-04-01	-8534000000
2013-07-01	-2674000000
2013-10-01	31529000000
2014-01-01	15313000000
2014-04-01	-7572000000
2014-07-01	-15085000000
2014-10-01	39727000000
2015-01-01	614000000
2015-04-01	11985000000
2015-07-01	24262000000
2015-10-01	52446000000
2016-01-01	-26290000000
2016-04-01	34734000000
2016-07-01	9940000000
2016-10-01	30965000000
2017-01-01	4693000000
2017-04-01	2123000000
2017-07-01	-18937000000
2017-10-01	69435000000
2018-01-01	-25754000000
2018-04-01	10288000000