Quarter	Growth rate same period previous year
2011-01-01	2.72136202158322
2011-04-01	3.25252120483536
2011-07-01	3.43945234613850
2011-10-01	3.95125676528206
2012-01-01	3.20391517128874
2012-04-01	3.84540750323417
2012-07-01	4.02544414816720
2012-10-01	3.64455233653815
2013-01-01	3.47432979261508
2013-04-01	2.81852440125822
2013-07-01	2.50154416306363
2013-10-01	2.88461538461539
2014-01-01	2.75885246402491
2014-04-01	3.08656933422184
2014-07-01	3.24194034347695
2014-10-01	3.32494608195543
2015-01-01	3.26578463175403
2015-04-01	3.03226896066481
2015-07-01	2.96046304758163
2015-10-01	2.72122561510196
2016-01-01	2.48474427699674
2016-04-01	2.31424277842713
2016-07-01	2.21381393341963
2016-10-01	2.15803562576422
2017-01-01	2.18106454371998
2017-04-01	2.06279783275670
2017-07-01	1.98402389920771
2017-10-01	1.96363871635613
2018-01-01	1.92846334631852
2018-04-01	1.85161496642150
2018-07-01	1.87856210398956