Quarter Percentage of GDP 2008-01-01 55.9 2008-04-01 56.8 2008-07-01 58.2 2008-10-01 60.1 2009-01-01 64.7 2009-04-01 67.4 2009-07-01 69.3 2009-10-01 69.7 2010-01-01 67.1 2010-04-01 68.5 2010-07-01 69.2 2010-10-01 70.2 2011-01-01 67.6 2011-04-01 68.4 2011-07-01 69.3 2011-10-01 70.9 2012-01-01 71.0 2012-04-01 72.8 2012-07-01 73.8 2012-10-01 75.6 2013-01-01 77.5 2013-04-01 79.4 2013-07-01 81.0 2013-10-01 81.7 2014-01-01 83.5 2014-04-01 84.9 2014-07-01 85.5 2014-10-01 87.3 2015-01-01 88.5 2015-04-01 89.7 2015-07-01 91.4 2015-10-01 94.0 2016-01-01 95.4 2016-04-01 95.6 2016-07-01 95.6 2016-10-01 95.6 2017-01-01 94.8 2017-04-01 94.3 2017-07-01 94.4 2017-10-01 93.9 2018-01-01 95.3