Quarter	Percentage of GDP
1995-10-01	42.7
1996-01-01	43.0
1996-04-01	43.5
1996-07-01	44.1
1996-10-01	44.6
1997-01-01	45.4
1997-04-01	46.0
1997-07-01	46.4
1997-10-01	46.8
1998-01-01	47.3
1998-04-01	47.7
1998-07-01	48.2
1998-10-01	48.9
1999-01-01	48.4
1999-04-01	47.9
1999-07-01	47.3
1999-10-01	46.3
2000-01-01	46.0
2000-04-01	45.6
2000-07-01	45.3
2000-10-01	45.0
2001-01-01	44.6
2001-04-01	44.2
2001-07-01	44.0
2001-10-01	44.0
2002-01-01	44.9
2002-04-01	45.8
2002-07-01	46.7
2002-10-01	47.6
2003-01-01	47.8
2003-04-01	48.0
2003-07-01	48.0
2003-10-01	47.9
2004-01-01	47.7
2004-04-01	47.5
2004-07-01	47.4
2004-10-01	47.4
2005-01-01	46.9
2005-04-01	46.5
2005-07-01	45.8
2005-10-01	45.1
2006-01-01	43.8
2006-04-01	42.4
2006-07-01	41.2
2006-10-01	39.9
2007-01-01	38.8
2007-04-01	37.7
2007-07-01	36.6
2007-10-01	35.6
2008-01-01	34.9
2008-04-01	34.3
2008-07-01	33.8
2008-10-01	33.6
2009-01-01	33.2
2009-04-01	32.9
2009-07-01	32.5
2009-10-01	32.0
2010-01-01	31.7
2010-04-01	31.3
2010-07-01	30.9
2010-10-01	30.5
2011-01-01	30.2
2011-04-01	30.0
2011-07-01	29.9
2011-10-01	29.8
2012-01-01	30.0
2012-04-01	30.2
2012-07-01	30.4
2012-10-01	30.6
2013-01-01	30.6
2013-04-01	30.5
2013-07-01	30.4
2013-10-01	30.3
2014-01-01	30.4
2014-04-01	30.5
2014-07-01	30.5
2014-10-01	30.6
2015-01-01	30.4
2015-04-01	30.3
2015-07-01	30.1
2015-10-01	30.0
2016-01-01	29.8
2016-04-01	29.5
2016-07-01	29.2
2016-10-01	29.0
2017-01-01	29.2
2017-04-01	29.4
2017-07-01	29.6
2017-10-01	29.7
2018-01-01	29.5