Quarter	Percentage of GDP
1999-01-01	213.4
1999-04-01	210.4
1999-07-01	208.2
1999-10-01	211.5
2000-01-01	205.7
2000-04-01	202.1
2000-07-01	203.9
2000-10-01	207.2
2001-01-01	205.7
2001-04-01	207.4
2001-07-01	210.7
2001-10-01	215.0
2002-01-01	210.2
2002-04-01	209.6
2002-07-01	211.8
2002-10-01	215.7
2003-01-01	213.1
2003-04-01	214.7
2003-07-01	213.2
2003-10-01	212.8
2004-01-01	212.5
2004-04-01	210.7
2004-07-01	210.3
2004-10-01	213.5
2005-01-01	213.0
2005-04-01	217.6
2005-07-01	218.4
2005-10-01	222.2
2006-01-01	217.6
2006-04-01	217.7
2006-07-01	217.5
2006-10-01	219.3
2007-01-01	220.7
2007-04-01	224.1
2007-07-01	227.0
2007-10-01	232.5
2008-01-01	234.9
2008-04-01	239.6
2008-07-01	247.0
2008-10-01	258.1
2009-01-01	258.4
2009-04-01	265.1
2009-07-01	272.2
2009-10-01	278.4
2010-01-01	273.3
2010-04-01	271.5
2010-07-01	268.2
2010-10-01	262.9
2011-01-01	260.7
2011-04-01	261.5
2011-07-01	263.5
2011-10-01	268.4
2012-01-01	272.1
2012-04-01	271.1
2012-07-01	275.9
2012-10-01	269.9
2013-01-01	276.9
2013-04-01	279.4
2013-07-01	276.8
2013-10-01	275.6
2014-01-01	281.2
2014-04-01	280.7
2014-07-01	279.0
2014-10-01	283.3
2015-01-01	283.2
2015-04-01	280.7
2015-07-01	278.9
2015-10-01	281.0
2016-01-01	274.8
2016-04-01	275.8
2016-07-01	275.5
2016-10-01	275.7
2017-01-01	279.4
2017-04-01	278.6
2017-07-01	276.4
2017-10-01	278.5
2018-01-01	282.3