Quarter	Percentage of GDP
1999-01-01	191.4
1999-04-01	194.7
1999-07-01	193.0
1999-10-01	193.0
2000-01-01	192.6
2000-04-01	192.8
2000-07-01	190.5
2000-10-01	191.6
2001-01-01	193.2
2001-04-01	193.7
2001-07-01	192.8
2001-10-01	195.9
2002-01-01	196.7
2002-04-01	198.0
2002-07-01	198.6
2002-10-01	197.7
2003-01-01	199.7
2003-04-01	201.9
2003-07-01	201.1
2003-10-01	199.1
2004-01-01	202.2
2004-04-01	204.7
2004-07-01	205.4
2004-10-01	203.7
2005-01-01	208.2
2005-04-01	213.3
2005-07-01	211.8
2005-10-01	211.0
2006-01-01	212.4
2006-04-01	213.9
2006-07-01	215.2
2006-10-01	214.7
2007-01-01	215.1
2007-04-01	216.2
2007-07-01	216.6
2007-10-01	218.1
2008-01-01	224.4
2008-04-01	222.0
2008-07-01	222.4
2008-10-01	224.3
2009-01-01	234.2
2009-04-01	240.7
2009-07-01	245.7
2009-10-01	245.7
2010-01-01	248.5
2010-04-01	248.1
2010-07-01	249.7
2010-10-01	245.5
2011-01-01	245.8
2011-04-01	247.0
2011-07-01	240.2
2011-10-01	237.5
2012-01-01	248.0
2012-04-01	247.9
2012-07-01	253.0
2012-10-01	258.0
2013-01-01	259.2
2013-04-01	263.1
2013-07-01	261.3
2013-10-01	263.3
2014-01-01	269.1
2014-04-01	274.5
2014-07-01	273.3
2014-10-01	273.3
2015-01-01	280.7
2015-04-01	273.0
2015-07-01	273.5
2015-10-01	270.4
2016-01-01	273.2
2016-04-01	273.8
2016-07-01	270.8
2016-10-01	265.9
2017-01-01	264.9
2017-04-01	265.3
2017-07-01	262.7
2017-10-01	261.8
2018-01-01	263.6