Quarter	Percentage of GDP
1983-01-01	51.9
1983-04-01	50.2
1983-07-01	47.6
1983-10-01	48.3
1984-01-01	47.8
1984-04-01	46.9
1984-07-01	51.2
1984-10-01	56.3
1985-01-01	57.5
1985-04-01	51.8
1985-07-01	53.6
1985-10-01	50.6
1986-01-01	49.7
1986-04-01	46.8
1986-07-01	46.1
1986-10-01	45.7
1987-01-01	44.8
1987-04-01	44.2
1987-07-01	42.8
1987-10-01	42.9
1988-01-01	41.2
1988-04-01	40.7
1988-07-01	40.9
1988-10-01	41.4
1989-01-01	41.3
1989-04-01	40.6
1989-07-01	42.6
1989-10-01	44.4
1990-01-01	44.2
1990-04-01	42.3
1990-07-01	41.3
1990-10-01	42.7
1991-01-01	40.4
1991-04-01	39.1
1991-07-01	39.3
1991-10-01	40.1
1992-01-01	39.3
1992-04-01	39.6
1992-07-01	40.5
1992-10-01	42.8
1993-01-01	43.5
1993-04-01	44.1
1993-07-01	45.0
1993-10-01	46.5
1994-01-01	45.6
1994-04-01	44.5
1994-07-01	44.9
1994-10-01	45.0
1995-01-01	45.2
1995-04-01	44.3
1995-07-01	45.7
1995-10-01	47.2
1996-01-01	47.7
1996-04-01	48.1
1996-07-01	49.2
1996-10-01	51.8
1997-01-01	52.3
1997-04-01	52.6
1997-07-01	53.5
1997-10-01	55.7
1998-01-01	56.9
1998-04-01	58.4
1998-07-01	58.3
1998-10-01	58.2
1999-01-01	58.9
1999-04-01	59.6
1999-07-01	61.2
1999-10-01	60.8
2000-01-01	60.8
2000-04-01	60.5
2000-07-01	60.0
2000-10-01	61.8
2001-01-01	61.5
2001-04-01	61.9
2001-07-01	62.9
2001-10-01	61.9
2002-01-01	62.0
2002-04-01	61.3
2002-07-01	62.6
2002-10-01	61.9
2003-01-01	61.5
2003-04-01	60.2
2003-07-01	59.4
2003-10-01	58.9
2004-01-01	58.8
2004-04-01	58.9
2004-07-01	58.6
2004-10-01	58.1
2005-01-01	58.4
2005-04-01	58.3
2005-07-01	58.9
2005-10-01	60.2
2006-01-01	59.7
2006-04-01	59.2
2006-07-01	58.7
2006-10-01	59.0
2007-01-01	59.3
2007-04-01	60.2
2007-07-01	62.6
2007-10-01	64.8
2008-01-01	65.4
2008-04-01	67.9
2008-07-01	70.3
2008-10-01	74.2
2009-01-01	72.8
2009-04-01	72.0
2009-07-01	72.1
2009-10-01	71.2
2010-01-01	68.8
2010-04-01	68.7
2010-07-01	66.8
2010-10-01	66.3
2011-01-01	66.2
2011-04-01	67.2
2011-07-01	69.5
2011-10-01	70.8
2012-01-01	71.9
2012-04-01	73.8
2012-07-01	73.4
2012-10-01	74.6
2013-01-01	74.8
2013-04-01	76.1
2013-07-01	76.6
2013-10-01	77.3
2014-01-01	77.3
2014-04-01	77.4
2014-07-01	78.1
2014-10-01	79.2
2015-01-01	78.3
2015-04-01	78.9
2015-07-01	80.6
2015-10-01	81.8
2016-01-01	81.1
2016-04-01	81.4
2016-07-01	81.2
2016-10-01	81.2
2017-01-01	81.2
2017-04-01	80.8
2017-07-01	80.2
2017-10-01	80.2
2018-01-01	80.1