Quarter	Percentage of GDP
1999-01-01	133.1
1999-04-01	133.8
1999-07-01	131.4
1999-10-01	130.8
2000-01-01	134.0
2000-04-01	131.8
2000-07-01	131.1
2000-10-01	130.1
2001-01-01	143.4
2001-04-01	155.0
2001-07-01	166.6
2001-10-01	176.1
2002-01-01	175.8
2002-04-01	175.4
2002-07-01	177.0
2002-10-01	182.4
2003-01-01	195.0
2003-04-01	211.8
2003-07-01	224.2
2003-10-01	236.8
2004-01-01	231.8
2004-04-01	227.4
2004-07-01	222.0
2004-10-01	218.7
2005-01-01	216.8
2005-04-01	214.9
2005-07-01	212.5
2005-10-01	208.9
2006-01-01	209.6
2006-04-01	211.4
2006-07-01	213.9
2006-10-01	216.3
2007-01-01	251.9
2007-04-01	281.2
2007-07-01	309.1
2007-10-01	337.2
2008-01-01	332.1
2008-04-01	330.9
2008-07-01	330.5
2008-10-01	331.7
2009-01-01	346.5
2009-04-01	364.6
2009-07-01	381.2
2009-10-01	382.3
2010-01-01	377.6
2010-04-01	366.4
2010-07-01	357.0
2010-10-01	348.0
2011-01-01	342.8
2011-04-01	350.6
2011-07-01	349.9
2011-10-01	354.8
2012-01-01	366.4
2012-04-01	369.6
2012-07-01	376.1
2012-10-01	377.3
2013-01-01	380.1
2013-04-01	380.4
2013-07-01	380.8
2013-10-01	381.2
2014-01-01	384.6
2014-04-01	385.7
2014-07-01	390.8
2014-10-01	391.3
2015-01-01	403.7
2015-04-01	406.7
2015-07-01	416.7
2015-10-01	424.5
2016-01-01	425.2
2016-04-01	419.5
2016-07-01	418.8
2016-10-01	421.5
2017-01-01	425.5
2017-04-01	422.3
2017-07-01	418.7
2017-10-01	411.6
2018-01-01	394.2