Quarter Percentage of GDP 2008-01-01 72.3 2008-04-01 72.8 2008-07-01 73.6 2008-10-01 75.3 2009-01-01 77.8 2009-04-01 79.3 2009-07-01 80.3 2009-10-01 80.2 2010-01-01 78.9 2010-04-01 78.9 2010-07-01 78.8 2010-10-01 78.8 2011-01-01 77.3 2011-04-01 77.5 2011-07-01 77.9 2011-10-01 79.0 2012-01-01 79.5 2012-04-01 80.3 2012-07-01 81.0 2012-10-01 81.8 2013-01-01 82.8 2013-04-01 83.7 2013-07-01 84.5 2013-10-01 84.6 2014-01-01 85.6 2014-04-01 86.2 2014-07-01 86.5 2014-10-01 87.8 2015-01-01 89.4 2015-04-01 89.7 2015-07-01 90.7 2015-10-01 92.2 2016-01-01 93.5 2016-04-01 93.9 2016-07-01 94.0 2016-10-01 93.9 2017-01-01 93.8 2017-04-01 93.2 2017-07-01 93.2 2017-10-01 92.8 2018-01-01 93.7