Quarter	Percentage of GDP
2001-10-01	60.1
2002-01-01	60.8
2002-04-01	65.5
2002-07-01	64.2
2002-10-01	65.5
2003-01-01	65.9
2003-04-01	66.8
2003-07-01	68.1
2003-10-01	69.1
2004-01-01	70.9
2004-04-01	69.1
2004-07-01	68.0
2004-10-01	70.8
2005-01-01	68.9
2005-04-01	66.0
2005-07-01	64.7
2005-10-01	63.7
2006-01-01	64.5
2006-04-01	65.0
2006-07-01	63.6
2006-10-01	63.2
2007-01-01	62.9
2007-04-01	61.9
2007-07-01	62.8
2007-10-01	62.4
2008-01-01	64.2
2008-04-01	61.9
2008-07-01	59.3
2008-10-01	62.9
2009-01-01	64.8
2009-04-01	71.8
2009-07-01	77.2
2009-10-01	76.8
2010-01-01	75.4
2010-04-01	74.8
2010-07-01	78.9
2010-10-01	80.0
2011-01-01	80.6
2011-04-01	80.3
2011-07-01	78.1
2011-10-01	77.6
2012-01-01	78.2
2012-04-01	78.4
2012-07-01	80.8
2012-10-01	80.0
2013-01-01	78.6
2013-04-01	78.1
2013-07-01	79.0
2013-10-01	79.4
2014-01-01	80.2
2014-04-01	80.7
2014-07-01	77.1
2014-10-01	76.1
2015-01-01	74.9
2015-04-01	77.2
2015-07-01	78.1
2015-10-01	79.7
2016-01-01	83.1
2016-04-01	84.3
2016-07-01	84.6
2016-10-01	81.0
2017-01-01	82.1
2017-04-01	83.4
2017-07-01	84.1
2017-10-01	83.6
2018-01-01	84.5