Quarter	Percentage of GDP
2001-10-01	6.2
2002-01-01	6.2
2002-04-01	6.7
2002-07-01	7.1
2002-10-01	7.4
2003-01-01	7.5
2003-04-01	8.2
2003-07-01	8.6
2003-10-01	9.1
2004-01-01	9.2
2004-04-01	9.9
2004-07-01	10.5
2004-10-01	10.9
2005-01-01	11.0
2005-04-01	11.5
2005-07-01	11.9
2005-10-01	11.7
2006-01-01	11.3
2006-04-01	11.1
2006-07-01	11.0
2006-10-01	11.1
2007-01-01	10.8
2007-04-01	11.1
2007-07-01	11.4
2007-10-01	11.6
2008-01-01	11.5
2008-04-01	12.0
2008-07-01	12.1
2008-10-01	11.8
2009-01-01	11.4
2009-04-01	11.8
2009-07-01	12.0
2009-10-01	12.2
2010-01-01	12.5
2010-04-01	12.7
2010-07-01	13.4
2010-10-01	13.6
2011-01-01	13.8
2011-04-01	14.5
2011-07-01	14.9
2011-10-01	15.2
2012-01-01	15.2
2012-04-01	15.8
2012-07-01	16.1
2012-10-01	16.4
2013-01-01	16.4
2013-04-01	17.0
2013-07-01	17.1
2013-10-01	17.0
2014-01-01	16.8
2014-04-01	16.8
2014-07-01	16.7
2014-10-01	17.1
2015-01-01	16.7
2015-04-01	17.0
2015-07-01	16.8
2015-10-01	16.8
2016-01-01	16.9
2016-04-01	16.8
2016-07-01	16.7
2016-10-01	17.0
2017-01-01	16.9
2017-04-01	16.9
2017-07-01	16.8
2017-10-01	17.0
2018-01-01	17.0