Quarter	Percentage of GDP
1997-07-01	66.6
1997-10-01	65.5
1998-01-01	65.5
1998-04-01	66.3
1998-07-01	69.3
1998-10-01	73.0
1999-01-01	69.2
1999-04-01	68.6
1999-07-01	71.6
1999-10-01	72.1
2000-01-01	70.8
2000-04-01	70.2
2000-07-01	68.5
2000-10-01	69.8
2001-01-01	67.3
2001-04-01	67.4
2001-07-01	70.1
2001-10-01	68.8
2002-01-01	69.0
2002-04-01	73.9
2002-07-01	72.8
2002-10-01	75.0
2003-01-01	74.4
2003-04-01	75.2
2003-07-01	76.1
2003-10-01	77.7
2004-01-01	75.7
2004-04-01	73.9
2004-07-01	73.6
2004-10-01	77.7
2005-01-01	75.0
2005-04-01	72.5
2005-07-01	72.8
2005-10-01	72.7
2006-01-01	74.6
2006-04-01	77.3
2006-07-01	77.3
2006-10-01	78.8
2007-01-01	79.2
2007-04-01	80.0
2007-07-01	82.6
2007-10-01	83.4
2008-01-01	86.0
2008-04-01	84.1
2008-07-01	78.4
2008-10-01	78.0
2009-01-01	78.6
2009-04-01	86.0
2009-07-01	90.1
2009-10-01	87.9
2010-01-01	85.4
2010-04-01	82.1
2010-07-01	86.7
2010-10-01	86.2
2011-01-01	87.1
2011-04-01	86.5
2011-07-01	82.1
2011-10-01	81.6
2012-01-01	82.7
2012-04-01	81.8
2012-07-01	84.7
2012-10-01	84.8
2013-01-01	83.6
2013-04-01	83.3
2013-07-01	85.1
2013-10-01	85.3
2014-01-01	85.5
2014-04-01	86.3
2014-07-01	83.0
2014-10-01	81.7
2015-01-01	80.8
2015-04-01	84.4
2015-07-01	85.0
2015-10-01	86.4
2016-01-01	90.2
2016-04-01	90.3
2016-07-01	90.8
2016-10-01	87.2
2017-01-01	89.1
2017-04-01	91.2
2017-07-01	92.4
2017-10-01	92.7
2018-01-01	93.5