Quarter	Growth rate previous period
2015-04-01	0.599407361601220
2015-07-01	0.506576330546963
2015-10-01	-0.426458379819871
2016-01-01	0.860716735812008
2016-04-01	0.667021027056896
2016-07-01	0.334944919465851
2016-10-01	-0.279746111579086
2017-01-01	2.518868157424210
2017-04-01	-0.281602002503119
2017-07-01	-0.502039535613416
2017-10-01	-0.599180069378763
2018-01-01	2.347715736040600
2018-04-01	-0.557966522008659
2018-07-01	1.184538653366580
