Quarter Growth rate same period previous year 2006-01-01 4.7 2006-04-01 4.7 2006-07-01 5.5 2006-10-01 14.0 2007-01-01 14.0 2007-04-01 14.0 2007-07-01 13.9 2007-10-01 13.2 2008-01-01 13.2 2008-04-01 13.2 2008-07-01 12.4 2008-10-01 8.6 2009-01-01 8.6 2009-04-01 8.6 2009-07-01 8.4 2009-10-01 5.2 2010-01-01 5.2 2010-04-01 5.2 2010-07-01 5.6 2010-10-01 5.3 2011-01-01 5.3 2011-04-01 5.3 2011-07-01 5.1 2011-10-01 5.1 2012-01-01 5.1 2012-04-01 5.1 2012-07-01 4.4 2012-10-01 19.7 2013-01-01 19.7 2013-04-01 19.7 2013-07-01 20.3 2013-10-01 10.3 2014-01-01 10.3 2014-04-01 10.3 2014-07-01 10.3 2014-10-01 10.0 2015-01-01 10.0 2015-04-01 10.0 2015-07-01 9.7 2015-10-01 4.8 2016-01-01 4.8 2016-04-01 4.8 2016-07-01 5.1 2016-10-01 4.3 2017-01-01 4.3 2017-04-01 4.3 2017-07-01 3.8 2017-10-01 2.8 2018-01-01 2.8 2018-04-01 2.8 2018-07-01 2.8