Quarter	Percentage of GDP
2000-01-01	39.1
2000-04-01	39.6
2000-07-01	40.0
2000-10-01	36.5
2001-01-01	36.5
2001-04-01	35.7
2001-07-01	38.3
2001-10-01	37.3
2002-01-01	40.0
2002-04-01	41.2
2002-07-01	42.2
2002-10-01	41.8
2003-01-01	44.6
2003-04-01	45.4
2003-07-01	45.5
2003-10-01	46.6
2004-01-01	48.7
2004-04-01	48.2
2004-07-01	47.2
2004-10-01	45.4
2005-01-01	46.5
2005-04-01	47.5
2005-07-01	46.5
2005-10-01	46.8
2006-01-01	48.5
2006-04-01	48.9
2006-07-01	48.1
2006-10-01	47.2
2007-01-01	47.2
2007-04-01	45.3
2007-07-01	44.2
2007-10-01	44.3
2008-01-01	42.6
2008-04-01	42.4
2008-07-01	42.6
2008-10-01	46.6
2009-01-01	48.3
2009-04-01	48.2
2009-07-01	49.5
2009-10-01	49.9
2010-01-01	50.6
2010-04-01	52.7
2010-07-01	53.7
2010-10-01	53.2
2011-01-01	54.1
2011-04-01	53.8
2011-07-01	54.0
2011-10-01	54.2
2012-01-01	53.9
2012-04-01	54.7
2012-07-01	53.7
2012-10-01	53.7
2013-01-01	55.5
2013-04-01	56.6
2013-07-01	56.5
2013-10-01	55.7
2014-01-01	48.6
2014-04-01	48.7
2014-07-01	48.9
2014-10-01	50.3
2015-01-01	50.9
2015-04-01	50.9
2015-07-01	51.5
2015-10-01	51.2
2016-01-01	51.8
2016-04-01	53.5
2016-07-01	53.1
2016-10-01	54.2
2017-01-01	53.8
2017-04-01	53.1
2017-07-01	51.9
2017-10-01	50.7
2018-01-01	51.2