Quarter	Growth rate same period previous year
2006-01-01	2.2
2006-04-01	2.7
2006-07-01	3.2
2006-10-01	2.8
2007-01-01	4.0
2007-04-01	4.0
2007-07-01	3.3
2007-10-01	2.8
2008-01-01	2.6
2008-04-01	4.6
2008-07-01	4.4
2008-10-01	4.3
2009-01-01	5.6
2009-04-01	3.4
2009-07-01	4.1
2009-10-01	4.4
2010-01-01	5.1
2010-04-01	5.9
2010-07-01	5.0
2010-10-01	6.2
2011-01-01	6.1
2011-04-01	9.4
2011-07-01	10.0
2011-10-01	9.2
2012-01-01	7.4
2012-04-01	5.0
2012-07-01	5.6
2012-10-01	6.1
2013-01-01	7.4
2013-04-01	6.2
2013-07-01	6.0
2013-10-01	5.7
2014-01-01	4.5
2014-04-01	4.3
2014-07-01	4.3
2014-10-01	4.7
2015-01-01	3.5
2015-04-01	2.5
2015-07-01	1.8
2015-10-01	0.7
2016-01-01	1.1
2016-04-01	0.9
2016-07-01	1.7
2016-10-01	2.1
2017-01-01	3.4
2017-04-01	4.8
2017-07-01	4.6
2017-10-01	4.7
2018-01-01	4.9
2018-04-01	4.0
2018-07-01	3.8