Quarter	Percentage of GDP
1997-07-01	69.1
1997-10-01	69.2
1998-01-01	68.4
1998-04-01	69.2
1998-07-01	72.2
1998-10-01	75.9
1999-01-01	71.5
1999-04-01	70.4
1999-07-01	74.2
1999-10-01	74.5
2000-01-01	73.3
2000-04-01	73.0
2000-07-01	71.1
2000-10-01	73.0
2001-01-01	70.5
2001-04-01	70.5
2001-07-01	73.8
2001-10-01	71.9
2002-01-01	71.5
2002-04-01	77.2
2002-07-01	75.8
2002-10-01	77.9
2003-01-01	76.9
2003-04-01	77.3
2003-07-01	78.4
2003-10-01	80.7
2004-01-01	78.1
2004-04-01	76.4
2004-07-01	76.1
2004-10-01	80.9
2005-01-01	78.0
2005-04-01	75.2
2005-07-01	75.8
2005-10-01	75.9
2006-01-01	78.0
2006-04-01	81.6
2006-07-01	81.6
2006-10-01	83.3
2007-01-01	83.4
2007-04-01	84.3
2007-07-01	87.5
2007-10-01	89.0
2008-01-01	92.6
2008-04-01	90.5
2008-07-01	84.3
2008-10-01	84.4
2009-01-01	83.1
2009-04-01	90.0
2009-07-01	93.5
2009-10-01	90.8
2010-01-01	87.8
2010-04-01	84.0
2010-07-01	89.6
2010-10-01	88.9
2011-01-01	90.1
2011-04-01	89.5
2011-07-01	85.1
2011-10-01	83.8
2012-01-01	84.1
2012-04-01	82.8
2012-07-01	85.4
2012-10-01	84.8
2013-01-01	82.1
2013-04-01	81.5
2013-07-01	83.6
2013-10-01	83.5
2014-01-01	83.1
2014-04-01	82.8
2014-07-01	78.1
2014-10-01	76.3
2015-01-01	73.5
2015-04-01	76.9
2015-07-01	77.9
2015-10-01	78.5
2016-01-01	81.5
2016-04-01	81.2
2016-07-01	81.4
2016-10-01	77.7
2017-01-01	79.1
2017-04-01	81.7
2017-07-01	82.6
2017-10-01	82.5
2018-01-01	82.3