Quarter	Percentage of GDP
2001-10-01	111.5
2002-01-01	112.5
2002-04-01	116.3
2002-07-01	119.9
2002-10-01	120.2
2003-01-01	117.2
2003-04-01	118.3
2003-07-01	119.8
2003-10-01	119.5
2004-01-01	116.2
2004-04-01	116.2
2004-07-01	116.0
2004-10-01	116.0
2005-01-01	112.7
2005-04-01	111.5
2005-07-01	111.6
2005-10-01	112.3
2006-01-01	111.1
2006-04-01	111.9
2006-07-01	111.9
2006-10-01	112.3
2007-01-01	110.2
2007-04-01	112.0
2007-07-01	113.6
2007-10-01	114.0
2008-01-01	109.7
2008-04-01	110.7
2008-07-01	112.2
2008-10-01	116.1
2009-01-01	121.4
2009-04-01	126.5
2009-07-01	131.1
2009-10-01	132.8
2010-01-01	128.1
2010-04-01	130.5
2010-07-01	132.0
2010-10-01	133.5
2011-01-01	128.6
2011-04-01	130.2
2011-07-01	131.8
2011-10-01	134.1
2012-01-01	133.1
2012-04-01	136.0
2012-07-01	137.9
2012-10-01	141.0
2013-01-01	142.4
2013-04-01	145.7
2013-07-01	148.5
2013-10-01	150.3
2014-01-01	151.8
2014-04-01	154.1
2014-07-01	155.4
2014-10-01	158.6
2015-01-01	159.8
2015-04-01	162.1
2015-07-01	165.4
2015-10-01	169.3
2016-01-01	171.2
2016-04-01	172.7
2016-07-01	174.0
2016-10-01	175.0
2017-01-01	174.3
2017-04-01	175.0
2017-07-01	176.3
2017-10-01	176.7
2018-01-01	178.5