Quarter	Percentage of GDP
1996-10-01	12.0
1997-01-01	14.1
1997-04-01	14.7
1997-07-01	15.6
1997-10-01	15.8
1998-01-01	16.0
1998-04-01	16.4
1998-07-01	17.8
1998-10-01	17.6
1999-01-01	18.8
1999-04-01	21.4
1999-07-01	24.1
1999-10-01	24.9
2000-01-01	26.2
2000-04-01	28.7
2000-07-01	29.4
2000-10-01	30.4
2001-01-01	31.4
2001-04-01	32.6
2001-07-01	34.0
2001-10-01	35.5
2002-01-01	35.1
2002-04-01	36.8
2002-07-01	40.2
2002-10-01	40.5
2003-01-01	42.0
2003-04-01	41.2
2003-07-01	42.4
2003-10-01	42.1
2004-01-01	41.5
2004-04-01	40.4
2004-07-01	40.1
2004-10-01	38.7
2005-01-01	40.1
2005-04-01	38.8
2005-07-01	38.4
2005-10-01	39.6
2006-01-01	39.6
2006-04-01	40.1
2006-07-01	37.9
2006-10-01	37.1
2007-01-01	35.7
2007-04-01	35.5
2007-07-01	35.4
2007-10-01	34.1
2008-01-01	32.8
2008-04-01	31.9
2008-07-01	31.2
2008-10-01	31.1
2009-01-01	35.4
2009-04-01	34.0
2009-07-01	33.0
2009-10-01	35.0
2010-01-01	34.5
2010-04-01	35.4
2010-07-01	35.0
2010-10-01	35.2
2011-01-01	35.2
2011-04-01	33.1
2011-07-01	34.2
2011-10-01	33.8
2012-01-01	33.1
2012-04-01	32.6
2012-07-01	32.5
2012-10-01	32.2
2013-01-01	32.9
2013-04-01	33.0
2013-07-01	34.6
2013-10-01	34.1
2014-01-01	35.8
2014-04-01	35.1
2014-07-01	35.8
2014-10-01	38.2
2015-01-01	40.7
2015-04-01	42.0
2015-07-01	45.5
2015-10-01	44.2
2016-01-01	45.8
2016-04-01	45.8
2016-07-01	46.4
2016-10-01	47.6
2017-01-01	48.0
2017-04-01	48.0
2017-07-01	48.5
2017-10-01	48.4
2018-01-01	48.3