Quarter	Percentage of GDP
1995-10-01	43.7
1996-01-01	44.2
1996-04-01	44.7
1996-07-01	45.3
1996-10-01	46.0
1997-01-01	46.6
1997-04-01	47.2
1997-07-01	47.6
1997-10-01	47.9
1998-01-01	48.5
1998-04-01	48.9
1998-07-01	49.6
1998-10-01	50.5
1999-01-01	50.0
1999-04-01	49.5
1999-07-01	48.9
1999-10-01	47.8
2000-01-01	47.5
2000-04-01	47.2
2000-07-01	46.9
2000-10-01	46.6
2001-01-01	46.3
2001-04-01	46.0
2001-07-01	45.8
2001-10-01	45.8
2002-01-01	46.9
2002-04-01	48.1
2002-07-01	49.2
2002-10-01	50.2
2003-01-01	50.4
2003-04-01	50.5
2003-07-01	50.4
2003-10-01	50.2
2004-01-01	50.2
2004-04-01	50.1
2004-07-01	50.1
2004-10-01	50.2
2005-01-01	49.9
2005-04-01	49.4
2005-07-01	48.9
2005-10-01	48.2
2006-01-01	46.6
2006-04-01	45.0
2006-07-01	43.5
2006-10-01	42.0
2007-01-01	40.5
2007-04-01	39.0
2007-07-01	37.5
2007-10-01	36.1
2008-01-01	35.7
2008-04-01	35.4
2008-07-01	35.1
2008-10-01	35.2
2009-01-01	34.8
2009-04-01	34.6
2009-07-01	34.2
2009-10-01	33.7
2010-01-01	33.4
2010-04-01	33.0
2010-07-01	32.7
2010-10-01	32.3
2011-01-01	32.3
2011-04-01	32.3
2011-07-01	32.4
2011-10-01	32.5
2012-01-01	32.7
2012-04-01	33.0
2012-07-01	33.1
2012-10-01	33.3
2013-01-01	33.1
2013-04-01	32.7
2013-07-01	32.4
2013-10-01	32.0
2014-01-01	32.4
2014-04-01	32.8
2014-07-01	33.2
2014-10-01	33.6
2015-01-01	33.5
2015-04-01	33.4
2015-07-01	33.4
2015-10-01	33.4
2016-01-01	33.2
2016-04-01	33.0
2016-07-01	32.7
2016-10-01	32.6
2017-01-01	32.4
2017-04-01	32.3
2017-07-01	32.1
2017-10-01	31.8
2018-01-01	31.7