Quarter	Percentage of GDP
2006-01-01	11.5
2006-04-01	10.8
2006-07-01	10.8
2006-10-01	10.8
2007-01-01	18.4
2007-04-01	18.9
2007-07-01	19.4
2007-10-01	18.8
2008-01-01	18.8
2008-04-01	18.6
2008-07-01	18.4
2008-10-01	17.9
2009-01-01	18.9
2009-04-01	20.5
2009-07-01	22.4
2009-10-01	23.5
2010-01-01	25.6
2010-04-01	26.7
2010-07-01	27.1
2010-10-01	27.2
2011-01-01	27.6
2011-04-01	27.9
2011-07-01	27.9
2011-10-01	27.7
2012-01-01	27.9
2012-04-01	28.4
2012-07-01	29.3
2012-10-01	29.7
2013-01-01	30.7
2013-04-01	32.0
2013-07-01	32.9
2013-10-01	33.1
2014-01-01	34.0
2014-04-01	34.8
2014-07-01	35.3
2014-10-01	35.7
2015-01-01	36.4
2015-04-01	37.3
2015-07-01	38.2
2015-10-01	38.8
2016-01-01	40.0
2016-04-01	41.7
2016-07-01	43.3
2016-10-01	44.4
2017-01-01	45.6
2017-04-01	46.9
2017-07-01	48.0
2017-10-01	48.4
2018-01-01	49.3