Quarter Percentage of GDP 2006-01-01 63.4 2006-04-01 62.9 2006-07-01 61.3 2006-10-01 61.3 2007-01-01 60.2 2007-04-01 59.5 2007-07-01 61.9 2007-10-01 58.2 2008-01-01 55.4 2008-04-01 55.1 2008-07-01 58.1 2008-10-01 58.5 2009-01-01 60.0 2009-04-01 61.1 2009-07-01 63.9 2009-10-01 64.7 2010-01-01 62.1 2010-04-01 60.8 2010-07-01 59.2 2010-10-01 60.4 2011-01-01 59.0 2011-04-01 59.6 2011-07-01 60.5 2011-10-01 61.3 2012-01-01 57.5 2012-04-01 60.9 2012-07-01 60.6 2012-10-01 60.4 2013-01-01 60.6 2013-04-01 61.7 2013-07-01 61.0 2013-10-01 62.4 2014-01-01 61.4 2014-04-01 61.3 2014-07-01 60.9 2014-10-01 63.9 2015-01-01 64.9 2015-04-01 66.4 2015-07-01 68.0 2015-10-01 67.7 2016-01-01 66.2 2016-04-01 65.9 2016-07-01 66.8 2016-10-01 68.5 2017-01-01 67.9 2017-04-01 68.0 2017-07-01 66.7 2017-10-01 67.3 2018-01-01 68.4