Quarter	Percentage of GDP
1998-10-01	9.5
1999-01-01	9.7
1999-04-01	9.3
1999-07-01	8.8
1999-10-01	8.1
2000-01-01	7.6
2000-04-01	7.4
2000-07-01	7.3
2000-10-01	7.5
2001-01-01	7.3
2001-04-01	7.3
2001-07-01	7.3
2001-10-01	7.6
2002-01-01	7.3
2002-04-01	7.2
2002-07-01	7.2
2002-10-01	7.2
2003-01-01	6.9
2003-04-01	7.1
2003-07-01	7.2
2003-10-01	7.0
2004-01-01	6.4
2004-04-01	6.5
2004-07-01	6.6
2004-10-01	7.4
2005-01-01	7.1
2005-04-01	6.9
2005-07-01	7.0
2005-10-01	7.4
2006-01-01	7.7
2006-04-01	7.6
2006-07-01	7.6
2006-10-01	7.8
2007-01-01	7.7
2007-04-01	8.0
2007-07-01	7.8
2007-10-01	7.7
2008-01-01	8.1
2008-04-01	8.2
2008-07-01	8.2
2008-10-01	15.0
2009-01-01	15.0
2009-04-01	15.3
2009-07-01	15.9
2009-10-01	16.0
2010-01-01	16.3
2010-04-01	21.4
2010-07-01	21.3
2010-10-01	20.1
2011-01-01	19.7
2011-04-01	19.7
2011-07-01	19.7
2011-10-01	19.4
2012-01-01	22.4
2012-04-01	22.9
2012-07-01	23.0
2012-10-01	23.0
2013-01-01	24.8
2013-04-01	24.6
2013-07-01	28.9
2013-10-01	24.1
2014-01-01	23.9
2014-04-01	24.1
2014-07-01	24.1
2014-10-01	24.5
2015-01-01	24.5
2015-04-01	23.6
2015-07-01	23.7
2015-10-01	23.7
2016-01-01	24.5
2016-04-01	24.1
2016-07-01	23.8
2016-10-01	22.7
2017-01-01	25.6
2017-04-01	24.9
2017-07-01	24.9
2017-10-01	24.4
2018-01-01	23.5