Quarter Percentage of GDP 2007-04-01 10.7 2007-07-01 10.9 2007-10-01 10.7 2008-01-01 10.7 2008-04-01 10.6 2008-07-01 10.4 2008-10-01 10.4 2009-01-01 10.2 2009-04-01 9.9 2009-07-01 9.8 2009-10-01 9.4 2010-01-01 9.2 2010-04-01 8.9 2010-07-01 9.1 2010-10-01 9.3 2011-01-01 9.2 2011-04-01 8.9 2011-07-01 8.8 2011-10-01 8.9 2012-01-01 8.9 2012-04-01 8.8 2012-07-01 8.7 2012-10-01 9.0 2013-01-01 9.0 2013-04-01 9.1 2013-07-01 9.2 2013-10-01 9.2 2014-01-01 9.0 2014-04-01 8.9 2014-07-01 8.9 2014-10-01 9.4 2015-01-01 9.4 2015-04-01 9.5 2015-07-01 9.6 2015-10-01 9.9 2016-01-01 10.1 2016-04-01 10.2 2016-07-01 10.4 2016-10-01 10.2 2017-01-01 10.6 2017-04-01 10.5 2017-07-01 11.0 2017-10-01 11.0 2018-01-01 11.4