Quarter	Percentage of GDP
1999-01-01	123.1
1999-04-01	123.0
1999-07-01	120.5
1999-10-01	117.6
2000-01-01	117.0
2000-04-01	116.6
2000-07-01	114.4
2000-10-01	113.0
2001-01-01	114.1
2001-04-01	113.6
2001-07-01	112.5
2001-10-01	113.5
2002-01-01	114.2
2002-04-01	114.3
2002-07-01	115.3
2002-10-01	112.4
2003-01-01	114.3
2003-04-01	115.0
2003-07-01	114.5
2003-10-01	109.9
2004-01-01	113.4
2004-04-01	114.0
2004-07-01	114.4
2004-10-01	110.5
2005-01-01	113.8
2005-04-01	117.5
2005-07-01	115.4
2005-10-01	112.3
2006-01-01	112.6
2006-04-01	112.4
2006-07-01	112.9
2006-10-01	109.8
2007-01-01	109.6
2007-04-01	108.0
2007-07-01	107.4
2007-10-01	105.3
2008-01-01	107.9
2008-04-01	105.1
2008-07-01	105.4
2008-10-01	107.9
2009-01-01	114.4
2009-04-01	117.0
2009-07-01	121.7
2009-10-01	120.7
2010-01-01	123.2
2010-04-01	122.5
2010-07-01	123.9
2010-10-01	119.6
2011-01-01	119.7
2011-04-01	120.7
2011-07-01	114.3
2011-10-01	112.3
2012-01-01	122.3
2012-04-01	121.6
2012-07-01	126.6
2012-10-01	130.7
2013-01-01	132.7
2013-04-01	137.0
2013-07-01	135.6
2013-10-01	138.6
2014-01-01	144.9
2014-04-01	150.4
2014-07-01	149.5
2014-10-01	151.0
2015-01-01	158.4
2015-04-01	151.7
2015-07-01	153.2
2015-10-01	152.3
2016-01-01	156.4
2016-04-01	156.7
2016-07-01	154.2
2016-10-01	150.6
2017-01-01	149.4
2017-04-01	150.8
2017-07-01	149.8
2017-10-01	148.0
2018-01-01	150.5