Quarter	Percentage of GDP
1980-10-01	32.1
1981-01-01	31.9
1981-04-01	31.8
1981-07-01	31.5
1981-10-01	31.5
1982-01-01	31.0
1982-04-01	30.6
1982-07-01	29.9
1982-10-01	30.9
1983-01-01	30.4
1983-04-01	30.0
1983-07-01	29.7
1983-10-01	29.9
1984-01-01	29.4
1984-04-01	29.2
1984-07-01	28.5
1984-10-01	28.7
1985-01-01	28.4
1985-04-01	28.3
1985-07-01	27.8
1985-10-01	28.2
1986-01-01	28.1
1986-04-01	28.4
1986-07-01	28.3
1986-10-01	29.0
1987-01-01	29.3
1987-04-01	30.5
1987-07-01	30.2
1987-10-01	30.7
1988-01-01	30.9
1988-04-01	31.6
1988-07-01	31.7
1988-10-01	32.2
1989-01-01	32.2
1989-04-01	33.2
1989-07-01	33.3
1989-10-01	34.0
1990-01-01	33.8
1990-04-01	34.5
1990-07-01	34.4
1990-10-01	34.9
1991-01-01	35.2
1991-04-01	35.7
1991-07-01	35.5
1991-10-01	35.7
1992-01-01	35.5
1992-04-01	36.3
1992-07-01	36.1
1992-10-01	38.0
1993-01-01	38.2
1993-04-01	38.5
1993-07-01	37.9
1993-10-01	38.0
1994-01-01	37.2
1994-04-01	38.3
1994-07-01	38.2
1994-10-01	37.6
1995-01-01	37.3
1995-04-01	37.7
1995-07-01	36.7
1995-10-01	36.7
1996-01-01	36.6
1996-04-01	37.7
1996-07-01	37.8
1996-10-01	38.2
1997-01-01	38.2
1997-04-01	38.9
1997-07-01	39.1
1997-10-01	39.0
1998-01-01	38.4
1998-04-01	40.2
1998-07-01	40.1
1998-10-01	41.4
1999-01-01	42.9
1999-04-01	41.9
1999-07-01	42.3
1999-10-01	41.8
2000-01-01	41.4
2000-04-01	40.9
2000-07-01	40.5
2000-10-01	40.5
2001-01-01	40.1
2001-04-01	40.3
2001-07-01	38.8
2001-10-01	38.9
2002-01-01	38.4
2002-04-01	38.8
2002-07-01	38.6
2002-10-01	39.1
2003-01-01	38.9
2003-04-01	39.4
2003-07-01	39.0
2003-10-01	39.3
2004-01-01	39.4
2004-04-01	39.2
2004-07-01	39.5
2004-10-01	40.3
2005-01-01	41.0
2005-04-01	42.1
2005-07-01	42.4
2005-10-01	43.1
2006-01-01	43.6
2006-04-01	44.3
2006-07-01	44.7
2006-10-01	45.3
2007-01-01	45.6
2007-04-01	45.9
2007-07-01	46.4
2007-10-01	46.9
2008-01-01	47.4
2008-04-01	48.0
2008-07-01	48.6
2008-10-01	49.5
2009-01-01	50.4
2009-04-01	51.6
2009-07-01	52.5
2009-10-01	51.9
2010-01-01	52.1
2010-04-01	52.2
2010-07-01	52.4
2010-10-01	52.7
2011-01-01	52.7
2011-04-01	53.5
2011-07-01	53.8
2011-10-01	54.9
2012-01-01	55.0
2012-04-01	55.5
2012-07-01	55.2
2012-10-01	55.5
2013-01-01	55.8
2013-04-01	56.3
2013-07-01	56.6
2013-10-01	56.4
2014-01-01	56.4
2014-04-01	57.0
2014-07-01	57.3
2014-10-01	58.6
2015-01-01	58.9
2015-04-01	58.8
2015-07-01	59.0
2015-10-01	59.3
2016-01-01	59.4
2016-04-01	59.6
2016-07-01	59.5
2016-10-01	59.6
2017-01-01	59.6
2017-04-01	60.0
2017-07-01	60.2
2017-10-01	60.4
2018-01-01	60.6