Quarter	National currency, sum over component sub-periods
2012-01-01	-710000000
2012-04-01	-199000000
2012-07-01	-160000000
2012-10-01	-210000000
2013-01-01	-661000000
2013-04-01	-272000000
2013-07-01	-144000000
2013-10-01	-300000000
2014-01-01	-457000000
2014-04-01	-401000000
2014-07-01	-78000000
2014-10-01	-187000000
2015-01-01	-719000000
2015-04-01	-122000000
2015-07-01	-24000000
2015-10-01	-5000000
2016-01-01	-739000000
2016-04-01	-65000000
2016-07-01	0
2016-10-01	-18000000
2017-01-01	-148000000
2017-04-01	-540000000
2017-07-01	-76000000
2017-10-01	1000000
2018-01-01	-762000000
2018-04-01	-1000000