Quarter	Growth rate same period previous year
2006-01-01	14.0
2006-04-01	25.0
2006-07-01	29.4
2006-10-01	30.5
2007-01-01	28.1
2007-04-01	10.9
2007-07-01	1.1
2007-10-01	-5.2
2008-01-01	0.5
2008-04-01	11.7
2008-07-01	26.8
2008-10-01	37.7
2009-01-01	25.1
2009-04-01	10.9
2009-07-01	1.2
2009-10-01	-6.9
2010-01-01	-5.8
2010-04-01	-3.0
2010-07-01	-2.6
2010-10-01	-1.4
2011-01-01	2.9
2011-04-01	6.0
2011-07-01	10.2
2011-10-01	18.5
2012-01-01	13.6
2012-04-01	11.1
2012-07-01	7.0
2012-10-01	1.0
2013-01-01	6.1
2013-04-01	7.6
2013-07-01	7.8
2013-10-01	6.9
2014-01-01	5.6
2014-04-01	4.8
2014-07-01	4.5
2014-10-01	2.0
2015-01-01	-2.8
2015-04-01	-3.2
2015-07-01	-3.9
2015-10-01	-4.3
2016-01-01	-3.9
2016-04-01	-3.7
2016-07-01	-2.7
2016-10-01	-1.1
2017-01-01	0.3
2017-04-01	3.9
2017-07-01	5.2
2017-10-01	6.1
2018-01-01	6.2
2018-04-01	5.3
2018-07-01	7.1