Quarter	Percentage of GDP
2001-10-01	61.6
2002-01-01	61.7
2002-04-01	67.0
2002-07-01	66.7
2002-10-01	68.1
2003-01-01	68.5
2003-04-01	69.6
2003-07-01	69.9
2003-10-01	70.7
2004-01-01	72.7
2004-04-01	69.8
2004-07-01	69.3
2004-10-01	72.3
2005-01-01	70.0
2005-04-01	67.6
2005-07-01	65.8
2005-10-01	64.5
2006-01-01	64.6
2006-04-01	64.6
2006-07-01	63.9
2006-10-01	63.3
2007-01-01	62.9
2007-04-01	61.2
2007-07-01	62.5
2007-10-01	62.6
2008-01-01	64.8
2008-04-01	61.5
2008-07-01	58.8
2008-10-01	63.5
2009-01-01	65.0
2009-04-01	71.5
2009-07-01	77.5
2009-10-01	76.6
2010-01-01	75.2
2010-04-01	75.2
2010-07-01	79.9
2010-10-01	79.6
2011-01-01	79.8
2011-04-01	79.7
2011-07-01	78.7
2011-10-01	78.2
2012-01-01	79.0
2012-04-01	79.9
2012-07-01	82.8
2012-10-01	82.2
2013-01-01	80.8
2013-04-01	79.0
2013-07-01	79.8
2013-10-01	79.8
2014-01-01	81.3
2014-04-01	82.2
2014-07-01	78.9
2014-10-01	78.7
2015-01-01	78.1
2015-04-01	79.1
2015-07-01	80.6
2015-10-01	81.8
2016-01-01	87.0
2016-04-01	89.0
2016-07-01	89.1
2016-10-01	83.4
2017-01-01	84.4
2017-04-01	85.7
2017-07-01	86.3
2017-10-01	85.8
2018-01-01	86.2