Quarter	Percentage of GDP
1990-10-01	7.6
1991-01-01	7.5
1991-04-01	7.3
1991-07-01	7.2
1991-10-01	7.1
1992-01-01	7.0
1992-04-01	7.0
1992-07-01	6.9
1992-10-01	6.9
1993-01-01	6.9
1993-04-01	6.7
1993-07-01	6.6
1993-10-01	6.5
1994-01-01	6.3
1994-04-01	6.1
1994-07-01	5.9
1994-10-01	5.8
1995-01-01	5.6
1995-04-01	5.4
1995-07-01	5.2
1995-10-01	5.1
1996-01-01	5.0
1996-04-01	4.9
1996-07-01	4.8
1996-10-01	4.7
1997-01-01	5.0
1997-04-01	5.3
1997-07-01	5.6
1997-10-01	5.8
1998-01-01	6.3
1998-04-01	7.0
1998-07-01	7.6
1998-10-01	8.3
1999-01-01	8.8
1999-04-01	9.1
1999-07-01	9.4
1999-10-01	9.5
2000-01-01	9.5
2000-04-01	9.5
2000-07-01	9.6
2000-10-01	9.7
2001-01-01	9.8
2001-04-01	9.9
2001-07-01	10.0
2001-10-01	10.1
2002-01-01	10.1
2002-04-01	10.0
2002-07-01	10.0
2002-10-01	10.0
2003-01-01	10.2
2003-04-01	10.4
2003-07-01	11.2
2003-10-01	12.1
2004-01-01	14.2
2004-04-01	14.8
2004-07-01	15.9
2004-10-01	16.5
2005-01-01	19.1
2005-04-01	20.5
2005-07-01	19.8
2005-10-01	19.6
2006-01-01	21.6
2006-04-01	22.6
2006-07-01	23.4
2006-10-01	22.7
2007-01-01	23.1
2007-04-01	23.3
2007-07-01	22.6
2007-10-01	22.4
2008-01-01	23.0
2008-04-01	23.0
2008-07-01	21.7
2008-10-01	23.9
2009-01-01	26.1
2009-04-01	27.5
2009-07-01	27.7
2009-10-01	26.6
2010-01-01	29.9
2010-04-01	29.9
2010-07-01	30.2
2010-10-01	28.6
2011-01-01	30.1
2011-04-01	30.3
2011-07-01	30.4
2011-10-01	30.6
2012-01-01	32.4
2012-04-01	33.2
2012-07-01	33.6
2012-10-01	33.4
2013-01-01	36.1
2013-04-01	36.7
2013-07-01	36.1
2013-10-01	35.2
2014-01-01	37.3
2014-04-01	38.4
2014-07-01	38.6
2014-10-01	38.2
2015-01-01	41.0
2015-04-01	41.2
2015-07-01	41.7
2015-10-01	40.3
2016-01-01	42.3
2016-04-01	42.6
2016-07-01	42.1
2016-10-01	40.0
2017-01-01	40.8
2017-04-01	40.6
2017-07-01	39.0
2017-10-01	38.1
2018-01-01	38.5