Quarter	Percentage of GDP
1998-10-01	67.3
1999-01-01	67.5
1999-04-01	65.6
1999-07-01	65.1
1999-10-01	63.8
2000-01-01	62.9
2000-04-01	62.4
2000-07-01	61.7
2000-10-01	62.0
2001-01-01	61.5
2001-04-01	61.8
2001-07-01	62.6
2001-10-01	61.6
2002-01-01	61.5
2002-04-01	62.9
2002-07-01	64.1
2002-10-01	64.6
2003-01-01	66.8
2003-04-01	69.1
2003-07-01	69.4
2003-10-01	68.4
2004-01-01	70.1
2004-04-01	70.1
2004-07-01	70.6
2004-10-01	71.2
2005-01-01	72.0
2005-04-01	73.1
2005-07-01	73.3
2005-10-01	72.8
2006-01-01	71.5
2006-04-01	69.3
2006-07-01	70.0
2006-10-01	67.5
2007-01-01	68.4
2007-04-01	67.7
2007-07-01	67.5
2007-10-01	66.0
2008-01-01	68.0
2008-04-01	66.7
2008-07-01	68.4
2008-10-01	71.9
2009-01-01	75.5
2009-04-01	79.0
2009-07-01	82.4
2009-10-01	83.3
2010-01-01	86.7
2010-04-01	89.8
2010-07-01	89.0
2010-10-01	87.0
2011-01-01	87.8
2011-04-01	89.4
2011-07-01	91.6
2011-10-01	90.8
2012-01-01	95.1
2012-04-01	97.3
2012-07-01	98.6
2012-10-01	99.7
2013-01-01	101.0
2013-04-01	100.7
2013-07-01	99.8
2013-10-01	99.7
2014-01-01	103.9
2014-04-01	105.9
2014-07-01	107.7
2014-10-01	108.3
2015-01-01	113.8
2015-04-01	109.2
2015-07-01	109.8
2015-10-01	108.3
2016-01-01	112.6
2016-04-01	115.2
2016-07-01	115.0
2016-10-01	111.0
2017-01-01	111.4
2017-04-01	111.7
2017-07-01	110.9
2017-10-01	109.0
2018-01-01	110.2