Month Growth rate same period previous year 2006-01-01 3.4 2006-02-01 3.5 2006-03-01 3.6 2006-04-01 3.0 2006-05-01 3.2 2006-06-01 3.2 2006-07-01 3.2 2006-08-01 3.0 2006-09-01 2.9 2006-10-01 3.0 2006-11-01 3.2 2006-12-01 3.2 2007-01-01 3.3 2007-02-01 3.3 2007-03-01 3.4 2007-04-01 3.8 2007-05-01 3.5 2007-06-01 3.7 2007-07-01 3.6 2007-08-01 3.6 2007-09-01 3.7 2007-10-01 3.5 2007-11-01 3.4 2007-12-01 3.4 2008-01-01 3.3 2008-02-01 3.3 2008-03-01 3.3 2008-04-01 3.8 2008-05-01 3.9 2008-06-01 3.9 2008-07-01 4.1 2008-08-01 4.0 2008-09-01 4.3 2008-10-01 4.2 2008-11-01 4.1 2008-12-01 3.6 2009-01-01 3.6 2009-02-01 3.6 2009-03-01 3.4 2009-04-01 2.5 2009-05-01 2.5 2009-06-01 2.4 2009-07-01 2.0 2009-08-01 2.0 2009-09-01 1.6 2009-10-01 1.6 2009-11-01 1.6 2009-12-01 1.8 2010-01-01 2.2 2010-02-01 2.4 2010-03-01 2.5 2010-04-01 2.9 2010-05-01 2.8 2010-06-01 2.9 2010-07-01 3.0 2010-08-01 2.9 2010-09-01 3.2 2010-10-01 3.1 2010-11-01 3.2 2010-12-01 3.5 2011-01-01 4.5 2011-02-01 4.5 2011-03-01 4.3 2011-04-01 4.3 2011-05-01 4.5 2011-06-01 4.4 2011-07-01 4.4 2011-08-01 4.6 2011-09-01 4.7 2011-10-01 4.5 2011-11-01 4.5 2011-12-01 4.4 2012-01-01 3.0 2012-02-01 2.9 2012-03-01 2.9 2012-04-01 3.3 2012-05-01 3.3 2012-06-01 3.1 2012-07-01 3.2 2012-08-01 3.1 2012-09-01 2.9 2012-10-01 2.9 2012-11-01 3.3 2012-12-01 3.2 2013-01-01 3.2 2013-02-01 3.1 2013-03-01 3.1 2013-04-01 2.5 2013-05-01 2.5 2013-06-01 2.5 2013-07-01 2.5 2013-08-01 2.4 2013-09-01 2.6 2013-10-01 2.8 2013-11-01 2.3 2013-12-01 2.3 2014-01-01 2.2 2014-02-01 2.3 2014-03-01 2.6 2014-04-01 2.3 2014-05-01 2.3 2014-06-01 2.6 2014-07-01 2.8 2014-08-01 2.6 2014-09-01 2.3 2014-10-01 2.5 2014-11-01 2.4 2014-12-01 2.3 2015-01-01 2.4 2015-02-01 2.2 2015-03-01 2.0 2015-04-01 2.0 2015-05-01 1.9 2015-06-01 1.9 2015-07-01 1.6 2015-08-01 1.8 2015-09-01 1.8 2015-10-01 1.6 2015-11-01 1.8 2015-12-01 1.7 2016-01-01 1.6 2016-02-01 1.9 2016-03-01 2.1 2016-04-01 2.3 2016-05-01 2.6 2016-06-01 2.3 2016-07-01 2.7 2016-08-01 2.3 2016-09-01 2.9 2016-10-01 2.6 2016-11-01 2.6 2016-12-01 2.8 2017-01-01 3.0 2017-02-01 3.2 2017-03-01 2.9 2017-04-01 3.1 2017-05-01 3.1 2017-06-01 3.3 2017-07-01 3.1 2017-08-01 3.5 2017-09-01 3.1 2017-10-01 3.1 2017-11-01 3.2 2017-12-01 3.1 2018-01-01 3.1 2018-02-01 2.4 2018-03-01 2.5 2018-04-01 2.7 2018-05-01 2.6 2018-06-01 2.6 2018-07-01 2.5 2018-08-01 2.5 2018-09-01 2.5