Quarter	Percentage of GDP
1995-10-01	19.9
1996-01-01	20.2
1996-04-01	20.6
1996-07-01	21.2
1996-10-01	22.2
1997-01-01	22.5
1997-04-01	22.6
1997-07-01	22.9
1997-10-01	22.9
1998-01-01	24.0
1998-04-01	25.1
1998-07-01	26.3
1998-10-01	27.4
1999-01-01	28.5
1999-04-01	29.2
1999-07-01	30.3
1999-10-01	30.7
2000-01-01	31.0
2000-04-01	32.6
2000-07-01	32.3
2000-10-01	32.5
2001-01-01	32.7
2001-04-01	32.7
2001-07-01	33.7
2001-10-01	33.4
2002-01-01	33.8
2002-04-01	35.0
2002-07-01	36.0
2002-10-01	36.1
2003-01-01	36.4
2003-04-01	35.8
2003-07-01	35.6
2003-10-01	34.9
2004-01-01	35.3
2004-04-01	33.9
2004-07-01	32.7
2004-10-01	29.7
2005-01-01	28.8
2005-04-01	29.0
2005-07-01	28.5
2005-10-01	28.5
2006-01-01	28.7
2006-04-01	29.5
2006-07-01	30.7
2006-10-01	31.8
2007-01-01	31.7
2007-04-01	32.5
2007-07-01	33.6
2007-10-01	34.3
2008-01-01	34.8
2008-04-01	35.3
2008-07-01	36.6
2008-10-01	39.9
2009-01-01	42.6
2009-04-01	41.2
2009-07-01	40.3
2009-10-01	38.2
2010-01-01	38.5
2010-04-01	39.0
2010-07-01	38.7
2010-10-01	38.6
2011-01-01	38.3
2011-04-01	38.4
2011-07-01	40.4
2011-10-01	41.5
2012-01-01	41.3
2012-04-01	41.6
2012-07-01	41.8
2012-10-01	42.5
2013-01-01	42.8
2013-04-01	43.9
2013-07-01	44.1
2013-10-01	43.7
2014-01-01	44.0
2014-04-01	45.0
2014-07-01	45.3
2014-10-01	46.1
2015-01-01	46.5
2015-04-01	47.0
2015-07-01	47.8
2015-10-01	47.4
2016-01-01	48.0
2016-04-01	48.4
2016-07-01	47.8
2016-10-01	49.6
2017-01-01	48.7
2017-04-01	47.9
2017-07-01	47.1
2017-10-01	46.4
2018-01-01	46.9