Quarter	Percentage of GDP
1995-10-01	41.3
1996-01-01	40.7
1996-04-01	41.7
1996-07-01	42.3
1996-10-01	42.6
1997-01-01	42.0
1997-04-01	42.9
1997-07-01	43.1
1997-10-01	42.9
1998-01-01	41.9
1998-04-01	42.1
1998-07-01	42.1
1998-10-01	42.4
1999-01-01	42.3
1999-04-01	42.7
1999-07-01	43.8
1999-10-01	44.6
2000-01-01	44.2
2000-04-01	44.7
2000-07-01	45.9
2000-10-01	45.3
2001-01-01	44.9
2001-04-01	45.4
2001-07-01	46.1
2001-10-01	45.6
2002-01-01	45.8
2002-04-01	45.9
2002-07-01	46.4
2002-10-01	46.5
2003-01-01	46.3
2003-04-01	46.3
2003-07-01	46.7
2003-10-01	46.9
2004-01-01	46.9
2004-04-01	48.3
2004-07-01	48.4
2004-10-01	49.0
2005-01-01	48.9
2005-04-01	49.7
2005-07-01	50.1
2005-10-01	52.0
2006-01-01	52.8
2006-04-01	53.0
2006-07-01	52.9
2006-10-01	52.4
2007-01-01	52.7
2007-04-01	51.9
2007-07-01	51.9
2007-10-01	51.7
2008-01-01	51.7
2008-04-01	51.3
2008-07-01	51.7
2008-10-01	52.4
2009-01-01	52.3
2009-04-01	52.7
2009-07-01	53.4
2009-10-01	53.6
2010-01-01	53.8
2010-04-01	54.4
2010-07-01	54.0
2010-10-01	54.4
2011-01-01	53.2
2011-04-01	53.6
2011-07-01	53.3
2011-10-01	53.0
2012-01-01	52.5
2012-04-01	52.3
2012-07-01	52.1
2012-10-01	51.8
2013-01-01	51.3
2013-04-01	51.0
2013-07-01	51.3
2013-10-01	51.0
2014-01-01	50.4
2014-04-01	50.4
2014-07-01	50.4
2014-10-01	50.2
2015-01-01	50.9
2015-04-01	50.7
2015-07-01	50.4
2015-10-01	50.2
2016-01-01	49.8
2016-04-01	49.9
2016-07-01	50.2
2016-10-01	50.4
2017-01-01	50.0
2017-04-01	49.7
2017-07-01	49.5
2017-10-01	49.1
2018-01-01	48.5