Quarter	Percentage of GDP
1996-01-01	55.4
1996-04-01	55.8
1996-07-01	56.0
1996-10-01	56.4
1997-01-01	57.1
1997-04-01	58.3
1997-07-01	56.7
1997-10-01	51.0
1998-01-01	54.0
1998-04-01	54.5
1998-07-01	56.9
1998-10-01	60.4
1999-01-01	59.3
1999-04-01	60.4
1999-07-01	59.7
1999-10-01	61.0
2000-01-01	59.6
2000-04-01	57.9
2000-07-01	57.3
2000-10-01	56.4
2001-01-01	53.7
2001-04-01	54.4
2001-07-01	55.1
2001-10-01	55.9
2002-01-01	58.4
2002-04-01	60.2
2002-07-01	60.4
2002-10-01	62.7
2003-01-01	63.6
2003-04-01	66.1
2003-07-01	66.6
2003-10-01	65.3
2004-01-01	65.6
2004-04-01	63.6
2004-07-01	63.3
2004-10-01	64.8
2005-01-01	63.5
2005-04-01	62.1
2005-07-01	62.0
2005-10-01	61.6
2006-01-01	63.0
2006-04-01	63.1
2006-07-01	63.6
2006-10-01	64.6
2007-01-01	65.9
2007-04-01	67.2
2007-07-01	68.3
2007-10-01	67.8
2008-01-01	68.1
2008-04-01	67.4
2008-07-01	63.5
2008-10-01	62.0
2009-01-01	67.1
2009-04-01	75.7
2009-07-01	81.4
2009-10-01	80.7
2010-01-01	79.6
2010-04-01	77.8
2010-07-01	80.2
2010-10-01	80.5
2011-01-01	80.8
2011-04-01	80.6
2011-07-01	76.3
2011-10-01	77.3
2012-01-01	80.0
2012-04-01	80.0
2012-07-01	83.3
2012-10-01	84.8
2013-01-01	86.3
2013-04-01	86.3
2013-07-01	87.7
2013-10-01	88.5
2014-01-01	89.6
2014-04-01	92.2
2014-07-01	91.2
2014-10-01	90.7
2015-01-01	93.0
2015-04-01	96.7
2015-07-01	96.7
2015-10-01	99.6
2016-01-01	105.1
2016-04-01	106.0
2016-07-01	107.0
2016-10-01	103.6
2017-01-01	105.8
2017-04-01	106.9
2017-07-01	108.3
2017-10-01	109.0
2018-01-01	111.4