Quarter	Percentage of GDP
1996-01-01	45.2
1996-04-01	44.5
1996-07-01	40.6
1996-10-01	37.7
1997-01-01	36.4
1997-04-01	38.0
1997-07-01	38.5
1997-10-01	40.0
1998-01-01	41.6
1998-04-01	41.9
1998-07-01	41.8
1998-10-01	41.7
1999-01-01	42.3
1999-04-01	40.7
1999-07-01	41.8
1999-10-01	41.4
2000-01-01	36.3
2000-04-01	35.8
2000-07-01	34.9
2000-10-01	37.6
2001-01-01	39.6
2001-04-01	42.3
2001-07-01	45.9
2001-10-01	43.7
2002-01-01	44.2
2002-04-01	44.8
2002-07-01	51.6
2002-10-01	48.6
2003-01-01	48.3
2003-04-01	44.9
2003-07-01	44.3
2003-10-01	44.0
2004-01-01	41.5
2004-04-01	41.6
2004-07-01	40.0
2004-10-01	38.1
2005-01-01	37.9
2005-04-01	37.4
2005-07-01	37.3
2005-10-01	37.6
2006-01-01	37.8
2006-04-01	38.5
2006-07-01	39.1
2006-10-01	40.1
2007-01-01	37.9
2007-04-01	36.2
2007-07-01	35.5
2007-10-01	35.1
2008-01-01	36.5
2008-04-01	38.2
2008-07-01	39.8
2008-10-01	41.6
2009-01-01	40.8
2009-04-01	41.1
2009-07-01	41.7
2009-10-01	42.2
2010-01-01	41.2
2010-04-01	40.9
2010-07-01	41.7
2010-10-01	42.4
2011-01-01	41.8
2011-04-01	41.5
2011-07-01	41.5
2011-10-01	42.2
2012-01-01	42.2
2012-04-01	43.0
2012-07-01	43.1
2012-10-01	44.0
2013-01-01	44.4
2013-04-01	45.0
2013-07-01	45.5
2013-10-01	46.4
2014-01-01	46.2
2014-04-01	47.0
2014-07-01	47.6
2014-10-01	47.5
2015-01-01	47.6
2015-04-01	48.0
2015-07-01	48.7
2015-10-01	49.2
2016-01-01	48.1
2016-04-01	47.4
2016-07-01	46.2
2016-10-01	45.8
2017-01-01	45.0
2017-04-01	43.8
2017-07-01	44.7
2017-10-01	43.9
2018-01-01	43.8