Quarter	Percentage of GDP
1996-10-01	48.1
1997-01-01	49.8
1997-04-01	51.2
1997-07-01	53.3
1997-10-01	54.8
1998-01-01	54.5
1998-04-01	54.8
1998-07-01	56.1
1998-10-01	55.0
1999-01-01	55.3
1999-04-01	56.1
1999-07-01	55.7
1999-10-01	54.5
2000-01-01	51.5
2000-04-01	49.9
2000-07-01	48.7
2000-10-01	47.4
2001-01-01	46.8
2001-04-01	46.8
2001-07-01	46.6
2001-10-01	46.5
2002-01-01	46.3
2002-04-01	48.1
2002-07-01	48.4
2002-10-01	48.7
2003-01-01	47.2
2003-04-01	46.2
2003-07-01	45.3
2003-10-01	44.5
2004-01-01	43.4
2004-04-01	42.8
2004-07-01	41.9
2004-10-01	41.0
2005-01-01	40.2
2005-04-01	40.0
2005-07-01	39.4
2005-10-01	39.8
2006-01-01	39.5
2006-04-01	40.8
2006-07-01	41.2
2006-10-01	41.9
2007-01-01	41.9
2007-04-01	42.6
2007-07-01	43.3
2007-10-01	43.5
2008-01-01	42.9
2008-04-01	43.1
2008-07-01	43.1
2008-10-01	43.7
2009-01-01	43.8
2009-04-01	44.7
2009-07-01	44.8
2009-10-01	45.2
2010-01-01	44.9
2010-04-01	45.7
2010-07-01	47.1
2010-10-01	49.0
2011-01-01	49.2
2011-04-01	49.7
2011-07-01	50.1
2011-10-01	50.4
2012-01-01	49.3
2012-04-01	49.5
2012-07-01	49.6
2012-10-01	50.7
2013-01-01	51.4
2013-04-01	53.1
2013-07-01	54.0
2013-10-01	54.6
2014-01-01	55.5
2014-04-01	57.4
2014-07-01	58.3
2014-10-01	60.5
2015-01-01	61.4
2015-04-01	63.0
2015-07-01	64.7
2015-10-01	65.7
2016-01-01	65.3
2016-04-01	65.3
2016-07-01	65.0
2016-10-01	64.3
2017-01-01	63.9
2017-04-01	64.2
2017-07-01	63.7
2017-10-01	63.6
2018-01-01	63.1