Quarter	Percentage of GDP
2000-01-01	59.6
2000-04-01	56.6
2000-07-01	55.5
2000-10-01	52.1
2001-01-01	51.4
2001-04-01	52.5
2001-07-01	51.1
2001-10-01	49.4
2002-01-01	49.9
2002-04-01	50.1
2002-07-01	49.4
2002-10-01	48.8
2003-01-01	49.9
2003-04-01	49.4
2003-07-01	50.4
2003-10-01	50.0
2004-01-01	51.0
2004-04-01	51.3
2004-07-01	51.7
2004-10-01	50.4
2005-01-01	50.2
2005-04-01	52.5
2005-07-01	50.8
2005-10-01	49.9
2006-01-01	49.3
2006-04-01	48.7
2006-07-01	47.5
2006-10-01	45.3
2007-01-01	45.4
2007-04-01	45.7
2007-07-01	44.6
2007-10-01	43.1
2008-01-01	44.0
2008-04-01	43.9
2008-07-01	44.2
2008-10-01	54.8
2009-01-01	57.6
2009-04-01	56.7
2009-07-01	57.3
2009-10-01	56.9
2010-01-01	57.7
2010-04-01	59.3
2010-07-01	59.2
2010-10-01	59.4
2011-01-01	59.6
2011-04-01	60.6
2011-07-01	61.3
2011-10-01	61.9
2012-01-01	62.7
2012-04-01	64.2
2012-07-01	65.1
2012-10-01	66.5
2013-01-01	66.8
2013-04-01	68.4
2013-07-01	68.0
2013-10-01	67.8
2014-01-01	67.3
2014-04-01	68.7
2014-07-01	68.2
2014-10-01	68.0
2015-01-01	69.1
2015-04-01	66.8
2015-07-01	66.0
2015-10-01	64.8
2016-01-01	64.4
2016-04-01	63.4
2016-07-01	61.8
2016-10-01	62.0
2017-01-01	59.9
2017-04-01	59.0
2017-07-01	57.2
2017-10-01	57.0
2018-01-01	55.2