Quarter	Growth rate same period previous year
2006-01-01	-0.6
2006-04-01	-0.6
2006-07-01	-0.6
2006-10-01	-0.2
2007-01-01	1.4
2007-04-01	2.8
2007-07-01	1.4
2007-10-01	1.3
2008-01-01	1.4
2008-04-01	1.8
2008-07-01	3.2
2008-10-01	2.4
2009-01-01	3.0
2009-04-01	3.0
2009-07-01	3.0
2009-10-01	4.2
2010-01-01	3.9
2010-04-01	2.5
2010-07-01	2.9
2010-10-01	2.9
2011-01-01	4.1
2011-04-01	4.5
2011-07-01	5.4
2011-10-01	5.2
2012-01-01	4.4
2012-04-01	3.7
2012-07-01	2.5
2012-10-01	1.1
2013-01-01	0.6
2013-04-01	0.2
2013-07-01	0.6
2013-10-01	1.1
2014-01-01	1.1
2014-04-01	1.3
2014-07-01	0.7
2014-10-01	0.1
2015-01-01	0.1
2015-04-01	-0.4
2015-07-01	0.3
2015-10-01	0.3
2016-01-01	0.2
2016-04-01	-0.1
2016-07-01	-1.1
2016-10-01	0.5
2017-01-01	0.9
2017-04-01	2.4
2017-07-01	4.0
2017-10-01	3.1
2018-01-01	3.0
2018-04-01	2.3
2018-07-01	0.8