Quarter	Percentage of GDP
1995-01-01	141.5
1995-04-01	142.9
1995-07-01	142.6
1995-10-01	143.0
1996-01-01	142.8
1996-04-01	144.4
1996-07-01	145.1
1996-10-01	149.9
1997-01-01	148.6
1997-04-01	151.2
1997-07-01	152.0
1997-10-01	152.7
1998-01-01	154.9
1998-04-01	157.7
1998-07-01	158.9
1998-10-01	159.2
1999-01-01	161.4
1999-04-01	166.2
1999-07-01	165.0
1999-10-01	167.9
2000-01-01	169.8
2000-04-01	173.3
2000-07-01	176.6
2000-10-01	179.5
2001-01-01	178.4
2001-04-01	180.8
2001-07-01	183.4
2001-10-01	184.8
2002-01-01	184.7
2002-04-01	186.5
2002-07-01	186.9
2002-10-01	189.4
2003-01-01	188.7
2003-04-01	191.5
2003-07-01	190.0
2003-10-01	192.9
2004-01-01	195.3
2004-04-01	198.4
2004-07-01	198.7
2004-10-01	202.9
2005-01-01	205.3
2005-04-01	210.8
2005-07-01	211.2
2005-10-01	215.8
2006-01-01	220.2
2006-04-01	224.5
2006-07-01	228.3
2006-10-01	233.5
2007-01-01	236.0
2007-04-01	241.2
2007-07-01	241.4
2007-10-01	242.3
2008-01-01	240.4
2008-04-01	243.3
2008-07-01	245.1
2008-10-01	251.1
2009-01-01	256.2
2009-04-01	262.4
2009-07-01	266.3
2009-10-01	269.8
2010-01-01	272.5
2010-04-01	275.5
2010-07-01	275.8
2010-10-01	275.5
2011-01-01	278.0
2011-04-01	280.4
2011-07-01	281.2
2011-10-01	283.7
2012-01-01	288.7
2012-04-01	288.5
2012-07-01	290.2
2012-10-01	293.0
2013-01-01	297.5
2013-04-01	298.2
2013-07-01	298.8
2013-10-01	297.2
2014-01-01	299.6
2014-04-01	301.9
2014-07-01	301.9
2014-10-01	299.5
2015-01-01	300.8
2015-04-01	292.2
2015-07-01	289.5
2015-10-01	286.2
2016-01-01	285.1
2016-04-01	285.9
2016-07-01	284.2
2016-10-01	278.4
2017-01-01	277.1
2017-04-01	275.8
2017-07-01	271.2
2017-10-01	268.0
2018-01-01	268.1