Quarter	Growth rate previous period
2015-04-01	0.000000000000000000000
2015-07-01	0.986427408836347000000
2015-10-01	1.953584128375650000000
2016-01-01	0.035038643276592000000
2016-04-01	0.000000194204130286393
2016-07-01	0.851067512366366000000
2016-10-01	1.683339320915860000000
2017-01-01	-0.198093590927609000000
2017-04-01	0.000000000000000000000
2017-07-01	0.980392156862742000000
2017-10-01	1.941747572815530000000
2018-01-01	0.092165898617521800000
2018-04-01	0.000000000000000000000
2018-07-01	0.000000000000000000000