Quarter	Percentage of GDP
2008-01-01	67.0
2008-04-01	65.0
2008-07-01	61.1
2008-10-01	59.9
2009-01-01	60.2
2009-04-01	65.2
2009-07-01	68.4
2009-10-01	67.1
2010-01-01	64.1
2010-04-01	61.7
2010-07-01	64.3
2010-10-01	63.8
2011-01-01	63.8
2011-04-01	62.8
2011-07-01	59.4
2011-10-01	58.4
2012-01-01	58.6
2012-04-01	57.9
2012-07-01	59.5
2012-10-01	59.4
2013-01-01	58.2
2013-04-01	57.8
2013-07-01	58.9
2013-10-01	58.9
2014-01-01	58.8
2014-04-01	59.0
2014-07-01	56.7
2014-10-01	55.8
2015-01-01	54.6
2015-04-01	56.9
2015-07-01	57.4
2015-10-01	58.0
2016-01-01	59.9
2016-04-01	60.2
2016-07-01	60.7
2016-10-01	58.8
2017-01-01	59.7
2017-04-01	61.2
2017-07-01	61.9
2017-10-01	62.0
2018-01-01	61.8