Quarter	Percentage of GDP
1996-01-01	47.9
1996-04-01	49.4
1996-07-01	50.2
1996-10-01	52.0
1997-01-01	51.7
1997-04-01	52.7
1997-07-01	54.3
1997-10-01	56.3
1998-01-01	54.0
1998-04-01	55.6
1998-07-01	56.9
1998-10-01	57.4
1999-01-01	56.2
1999-04-01	55.4
1999-07-01	55.5
1999-10-01	55.5
2000-01-01	53.6
2000-04-01	52.9
2000-07-01	53.0
2000-10-01	54.1
2001-01-01	51.5
2001-04-01	51.8
2001-07-01	52.5
2001-10-01	52.8
2002-01-01	54.8
2002-04-01	55.9
2002-07-01	57.0
2002-10-01	57.8
2003-01-01	58.1
2003-04-01	59.7
2003-07-01	60.7
2003-10-01	60.7
2004-01-01	60.1
2004-04-01	59.9
2004-07-01	60.0
2004-10-01	60.5
2005-01-01	59.5
2005-04-01	59.4
2005-07-01	60.0
2005-10-01	60.2
2006-01-01	60.7
2006-04-01	61.6
2006-07-01	62.2
2006-10-01	62.7
2007-01-01	62.2
2007-04-01	63.5
2007-07-01	65.0
2007-10-01	65.0
2008-01-01	63.4
2008-04-01	64.3
2008-07-01	65.4
2008-10-01	66.8
2009-01-01	71.1
2009-04-01	74.4
2009-07-01	76.5
2009-10-01	76.8
2010-01-01	74.5
2010-04-01	75.9
2010-07-01	77.1
2010-10-01	78.3
2011-01-01	75.4
2011-04-01	76.3
2011-07-01	77.1
2011-10-01	78.5
2012-01-01	78.4
2012-04-01	80.0
2012-07-01	80.9
2012-10-01	82.3
2013-01-01	83.1
2013-04-01	84.7
2013-07-01	86.0
2013-10-01	86.3
2014-01-01	87.4
2014-04-01	88.4
2014-07-01	88.9
2014-10-01	90.3
2015-01-01	91.6
2015-04-01	92.9
2015-07-01	94.4
2015-10-01	96.2
2016-01-01	97.4
2016-04-01	98.0
2016-07-01	98.3
2016-10-01	98.2
2017-01-01	98.0
2017-04-01	98.3
2017-07-01	98.8
2017-10-01	98.7
2018-01-01	99.5