Quarter	Percentage of GDP
1993-01-01	59.1
1993-04-01	59.3
1993-07-01	58.5
1993-10-01	57.7
1994-01-01	56.8
1994-04-01	57.0
1994-07-01	56.5
1994-10-01	56.7
1995-01-01	54.4
1995-04-01	53.5
1995-07-01	52.5
1995-10-01	51.3
1996-01-01	50.7
1996-04-01	50.3
1996-07-01	48.8
1996-10-01	47.7
1997-01-01	53.5
1997-04-01	54.3
1997-07-01	53.4
1997-10-01	53.4
1998-01-01	52.0
1998-04-01	49.9
1998-07-01	48.1
1998-10-01	45.6
1999-01-01	45.8
1999-04-01	44.4
1999-07-01	43.8
1999-10-01	41.2
2000-01-01	38.6
2000-04-01	37.7
2000-07-01	38.3
2000-10-01	36.5
2001-01-01	35.8
2001-04-01	35.1
2001-07-01	28.8
2001-10-01	26.9
2002-01-01	25.6
2002-04-01	24.1
2002-07-01	23.6
2002-10-01	23.6
2003-01-01	23.8
2003-04-01	23.5
2003-07-01	23.7
2003-10-01	24.3
2004-01-01	24.5
2004-04-01	25.0
2004-07-01	25.9
2004-10-01	25.8
2005-01-01	26.4
2005-04-01	27.4
2005-07-01	28.4
2005-10-01	29.2
2006-01-01	30.1
2006-04-01	31.6
2006-07-01	32.6
2006-10-01	33.8
2007-01-01	34.3
2007-04-01	36.0
2007-07-01	37.6
2007-10-01	38.7
2008-01-01	39.4
2008-04-01	41.1
2008-07-01	42.6
2008-10-01	43.3
2009-01-01	43.5
2009-04-01	44.1
2009-07-01	45.0
2009-10-01	45.2
2010-01-01	45.4
2010-04-01	45.6
2010-07-01	46.1
2010-10-01	46.7
2011-01-01	47.0
2011-04-01	47.7
2011-07-01	48.3
2011-10-01	48.6
2012-01-01	48.6
2012-04-01	49.0
2012-07-01	49.4
2012-10-01	49.7
2013-01-01	50.3
2013-04-01	50.3
2013-07-01	50.7
2013-10-01	51.1
2014-01-01	50.3
2014-04-01	50.1
2014-07-01	49.6
2014-10-01	49.6
2015-01-01	49.1
2015-04-01	49.8
2015-07-01	50.4
2015-10-01	49.7
2016-01-01	50.1
2016-04-01	50.5
2016-07-01	51.4
2016-10-01	51.2
2017-01-01	51.8
2017-04-01	52.1
2017-07-01	52.2
2017-10-01	51.4
2018-01-01	51.1