Quarter Percentage of GDP 2000-01-01 15.4 2000-04-01 15.6 2000-07-01 16.0 2000-10-01 17.0 2001-01-01 18.0 2001-04-01 20.1 2001-07-01 22.2 2001-10-01 22.8 2002-01-01 23.9 2002-04-01 24.5 2002-07-01 26.4 2002-10-01 25.9 2003-01-01 28.7 2003-04-01 28.8 2003-07-01 28.9 2003-10-01 28.3 2004-01-01 30.1 2004-04-01 31.1 2004-07-01 30.3 2004-10-01 28.6 2005-01-01 28.6 2005-04-01 28.5 2005-07-01 28.2 2005-10-01 27.9 2006-01-01 28.0 2006-04-01 28.2 2006-07-01 28.1 2006-10-01 27.7 2007-01-01 27.3 2007-04-01 27.9 2007-07-01 27.0 2007-10-01 27.5 2008-01-01 26.8 2008-04-01 27.9 2008-07-01 27.6 2008-10-01 28.3 2009-01-01 28.4 2009-04-01 31.6 2009-07-01 32.8 2009-10-01 33.5 2010-01-01 34.6 2010-04-01 35.2 2010-07-01 38.3 2010-10-01 37.4 2011-01-01 38.1 2011-04-01 38.2 2011-07-01 39.2 2011-10-01 39.9 2012-01-01 42.4 2012-04-01 42.9 2012-07-01 44.3 2012-10-01 44.5 2013-01-01 45.5 2013-04-01 44.8 2013-07-01 44.1 2013-10-01 44.9 2014-01-01 44.4 2014-04-01 43.3 2014-07-01 42.9 2014-10-01 42.2 2015-01-01 41.9 2015-04-01 41.0 2015-07-01 40.3 2015-10-01 39.9 2016-01-01 39.9 2016-04-01 39.4 2016-07-01 38.3 2016-10-01 36.8 2017-01-01 40.0 2017-04-01 39.4 2017-07-01 35.1 2017-10-01 34.6 2018-01-01 35.7