Quarter	Percentage of GDP
1992-07-01	29.1
1992-10-01	30.2
1993-01-01	30.5
1993-04-01	31.9
1993-07-01	32.1
1993-10-01	35.1
1994-01-01	35.2
1994-04-01	36.1
1994-07-01	36.4
1994-10-01	36.5
1995-01-01	35.6
1995-04-01	34.9
1995-07-01	34.1
1995-10-01	34.8
1996-01-01	35.4
1996-04-01	36.3
1996-07-01	35.9
1996-10-01	36.2
1997-01-01	36.5
1997-04-01	36.8
1997-07-01	37.3
1997-10-01	37.7
1998-01-01	36.7
1998-04-01	37.3
1998-07-01	37.2
1998-10-01	38.4
1999-01-01	37.9
1999-04-01	37.7
1999-07-01	38.2
1999-10-01	38.5
2000-01-01	38.0
2000-04-01	38.0
2000-07-01	37.5
2000-10-01	36.8
2001-01-01	36.0
2001-04-01	36.3
2001-07-01	37.2
2001-10-01	37.7
2002-01-01	38.3
2002-04-01	39.3
2002-07-01	39.6
2002-10-01	38.8
2003-01-01	38.1
2003-04-01	38.1
2003-07-01	38.2
2003-10-01	38.4
2004-01-01	38.4
2004-04-01	38.4
2004-07-01	38.0
2004-10-01	37.7
2005-01-01	37.4
2005-04-01	37.4
2005-07-01	37.7
2005-10-01	38.0
2006-01-01	37.2
2006-04-01	36.8
2006-07-01	36.8
2006-10-01	36.0
2007-01-01	35.5
2007-04-01	36.3
2007-07-01	36.9
2007-10-01	36.9
2008-01-01	36.6
2008-04-01	37.1
2008-07-01	38.0
2008-10-01	37.9
2009-01-01	37.3
2009-04-01	37.6
2009-07-01	38.4
2009-10-01	38.9
2010-01-01	38.7
2010-04-01	39.4
2010-07-01	39.9
2010-10-01	39.7
2011-01-01	39.6
2011-04-01	40.1
2011-07-01	40.2
2011-10-01	39.7
2012-01-01	39.6
2012-04-01	39.5
2012-07-01	39.7
2012-10-01	39.6
2013-01-01	39.7
2013-04-01	39.6
2013-07-01	39.9
2013-10-01	39.9
2014-01-01	39.4
2014-04-01	39.8
2014-07-01	40.3
2014-10-01	40.3
2015-01-01	39.9
2015-04-01	40.2
2015-07-01	40.5
2015-10-01	40.8
2016-01-01	40.8
2016-04-01	41.2
2016-07-01	41.5
2016-10-01	41.2
2017-01-01	41.3
2017-04-01	41.5
2017-07-01	41.7
2017-10-01	41.8
2018-01-01	41.8