Quarter Percentage of GDP 2008-01-01 83.2 2008-04-01 81.5 2008-07-01 77.2 2008-10-01 78.0 2009-01-01 79.0 2009-04-01 85.2 2009-07-01 89.0 2009-10-01 86.8 2010-01-01 83.3 2010-04-01 80.5 2010-07-01 84.1 2010-10-01 83.4 2011-01-01 84.1 2011-04-01 83.6 2011-07-01 80.3 2011-10-01 80.1 2012-01-01 81.6 2012-04-01 81.1 2012-07-01 84.1 2012-10-01 84.3 2013-01-01 83.7 2013-04-01 84.2 2013-07-01 86.1 2013-10-01 86.4 2014-01-01 87.1 2014-04-01 88.0 2014-07-01 85.2 2014-10-01 84.7 2015-01-01 85.2 2015-04-01 88.4 2015-07-01 89.6 2015-10-01 91.1 2016-01-01 95.2 2016-04-01 95.2 2016-07-01 95.6 2016-10-01 91.8 2017-01-01 93.5 2017-04-01 95.2 2017-07-01 96.3 2017-10-01 96.3 2018-01-01 97.8