Quarter	Growth rate previous period
2015-04-01	3.483164123522860
2015-07-01	-0.618777988239902
2015-10-01	-1.490566570453150
2016-01-01	-0.790037756974423
2016-04-01	4.151461147579530
2016-07-01	-0.930788492589391
2016-10-01	0.465821790110547
2017-01-01	2.619960086691270
2017-04-01	0.281866583150632
2017-07-01	-0.218613366645822
2017-10-01	2.472613458528930
2018-01-01	2.290775809407460
2018-04-01	1.642281277993430
2018-07-01	0.822561692126897