Quarter	Percentage of GDP
1994-10-01	30.2
1995-01-01	29.2
1995-04-01	29.3
1995-07-01	29.3
1995-10-01	29.8
1996-01-01	29.7
1996-04-01	30.0
1996-07-01	29.9
1996-10-01	29.5
1997-01-01	29.6
1997-04-01	30.3
1997-07-01	29.8
1997-10-01	29.4
1998-01-01	31.5
1998-04-01	31.6
1998-07-01	31.1
1998-10-01	31.7
1999-01-01	33.2
1999-04-01	32.6
1999-07-01	33.0
1999-10-01	33.6
2000-01-01	35.2
2000-04-01	37.1
2000-07-01	38.6
2000-10-01	39.7
2001-01-01	41.0
2001-04-01	41.9
2001-07-01	42.2
2001-10-01	43.1
2002-01-01	42.7
2002-04-01	43.4
2002-07-01	42.7
2002-10-01	42.9
2003-01-01	42.7
2003-04-01	42.3
2003-07-01	43.3
2003-10-01	43.7
2004-01-01	43.1
2004-04-01	44.2
2004-07-01	44.0
2004-10-01	44.5
2005-01-01	45.7
2005-04-01	46.9
2005-07-01	47.1
2005-10-01	49.4
2006-01-01	48.0
2006-04-01	48.9
2006-07-01	50.0
2006-10-01	51.2
2007-01-01	50.5
2007-04-01	51.7
2007-07-01	52.7
2007-10-01	54.7
2008-01-01	57.2
2008-04-01	59.2
2008-07-01	61.2
2008-10-01	62.4
2009-01-01	62.7
2009-04-01	62.2
2009-07-01	63.3
2009-10-01	63.6
2010-01-01	64.1
2010-04-01	64.9
2010-07-01	63.8
2010-10-01	66.8
2011-01-01	67.8
2011-04-01	69.4
2011-07-01	70.9
2011-10-01	66.4
2012-01-01	66.0
2012-04-01	67.7
2012-07-01	66.9
2012-10-01	66.9
2013-01-01	66.5
2013-04-01	66.3
2013-07-01	66.0
2013-10-01	65.3
2014-01-01	65.1
2014-04-01	66.2
2014-07-01	66.5
2014-10-01	66.2
2015-01-01	66.3
2015-04-01	65.6
2015-07-01	65.0
2015-10-01	65.3
2016-01-01	65.6
2016-04-01	65.5
2016-07-01	64.7
2016-10-01	65.2
2017-01-01	64.8
2017-04-01	63.9
2017-07-01	62.6
2017-10-01	61.8
2018-01-01	60.5