Quarter	Percentage of GDP
2002-01-01	134.6
2002-04-01	135.6
2002-07-01	137.6
2002-10-01	141.2
2003-01-01	155.9
2003-04-01	170.2
2003-07-01	183.6
2003-10-01	194.2
2004-01-01	188.9
2004-04-01	184.3
2004-07-01	178.8
2004-10-01	174.9
2005-01-01	172.8
2005-04-01	170.2
2005-07-01	166.9
2005-10-01	163.4
2006-01-01	164.3
2006-04-01	166.1
2006-07-01	168.7
2006-10-01	170.9
2007-01-01	202.9
2007-04-01	231.7
2007-07-01	259.4
2007-10-01	286.8
2008-01-01	281.6
2008-04-01	279.4
2008-07-01	277.5
2008-10-01	278.8
2009-01-01	292.9
2009-04-01	308.9
2009-07-01	324.0
2009-10-01	324.8
2010-01-01	320.3
2010-04-01	309.3
2010-07-01	300.2
2010-10-01	290.8
2011-01-01	285.9
2011-04-01	293.5
2011-07-01	293.2
2011-10-01	297.7
2012-01-01	309.1
2012-04-01	311.1
2012-07-01	316.7
2012-10-01	317.1
2013-01-01	319.5
2013-04-01	319.8
2013-07-01	320.9
2013-10-01	321.6
2014-01-01	324.6
2014-04-01	325.4
2014-07-01	329.9
2014-10-01	331.3
2015-01-01	342.8
2015-04-01	347.8
2015-07-01	355.6
2015-10-01	364.4
2016-01-01	364.5
2016-04-01	358.3
2016-07-01	354.3
2016-10-01	356.2
2017-01-01	359.0
2017-04-01	354.8
2017-07-01	352.1
2017-10-01	344.8
2018-01-01	327.8