Quarter	Percentage of GDP
1977-10-01	18.6
1978-01-01	18.9
1978-04-01	18.9
1978-07-01	18.9
1978-10-01	19.3
1979-01-01	19.6
1979-04-01	20.5
1979-07-01	21.1
1979-10-01	21.5
1980-01-01	21.9
1980-04-01	22.0
1980-07-01	22.0
1980-10-01	22.4
1981-01-01	22.7
1981-04-01	22.6
1981-07-01	22.6
1981-10-01	22.4
1982-01-01	22.4
1982-04-01	22.5
1982-07-01	22.8
1982-10-01	23.4
1983-01-01	23.7
1983-04-01	24.0
1983-07-01	24.2
1983-10-01	24.0
1984-01-01	24.4
1984-04-01	25.1
1984-07-01	25.5
1984-10-01	26.1
1985-01-01	26.6
1985-04-01	26.7
1985-07-01	26.8
1985-10-01	27.3
1986-01-01	27.0
1986-04-01	27.3
1986-07-01	27.5
1986-10-01	26.7
1987-01-01	27.2
1987-04-01	27.7
1987-07-01	28.1
1987-10-01	28.8
1988-01-01	29.3
1988-04-01	30.1
1988-07-01	30.5
1988-10-01	30.7
1989-01-01	30.6
1989-04-01	31.2
1989-07-01	31.0
1989-10-01	30.8
1990-01-01	31.3
1990-04-01	31.8
1990-07-01	32.3
1990-10-01	32.6
1991-01-01	32.8
1991-04-01	33.1
1991-07-01	33.5
1991-10-01	33.8
1992-01-01	33.5
1992-04-01	33.6
1992-07-01	33.7
1992-10-01	33.6
1993-01-01	34.5
1993-04-01	34.9
1993-07-01	35.2
1993-10-01	35.9
1994-01-01	35.6
1994-04-01	35.6
1994-07-01	35.4
1994-10-01	35.2
1995-01-01	34.9
1995-04-01	35.0
1995-07-01	34.7
1995-10-01	33.4
1996-01-01	33.3
1996-04-01	33.1
1996-07-01	33.3
1996-10-01	33.5
1997-01-01	33.3
1997-04-01	33.5
1997-07-01	33.5
1997-10-01	33.7
1998-01-01	32.9
1998-04-01	33.1
1998-07-01	33.2
1998-10-01	33.1
1999-01-01	33.0
1999-04-01	33.5
1999-07-01	34.0
1999-10-01	34.1
2000-01-01	34.1
2000-04-01	34.2
2000-07-01	34.2
2000-10-01	34.2
2001-01-01	34.2
2001-04-01	34.3
2001-07-01	34.4
2001-10-01	34.6
2002-01-01	34.7
2002-04-01	35.1
2002-07-01	35.3
2002-10-01	35.5
2003-01-01	35.7
2003-04-01	36.0
2003-07-01	36.6
2003-10-01	37.0
2004-01-01	37.3
2004-04-01	38.2
2004-07-01	38.6
2004-10-01	39.0
2005-01-01	39.4
2005-04-01	40.3
2005-07-01	40.9
2005-10-01	41.8
2006-01-01	42.3
2006-04-01	43.1
2006-07-01	43.6
2006-10-01	44.2
2007-01-01	44.6
2007-04-01	45.4
2007-07-01	45.9
2007-10-01	46.6
2008-01-01	46.8
2008-04-01	47.4
2008-07-01	48.0
2008-10-01	48.6
2009-01-01	49.5
2009-04-01	50.4
2009-07-01	51.2
2009-10-01	52.6
2010-01-01	52.7
2010-04-01	53.0
2010-07-01	53.1
2010-10-01	53.8
2011-01-01	54.0
2011-04-01	54.5
2011-07-01	54.5
2011-10-01	54.8
2012-01-01	54.9
2012-04-01	55.0
2012-07-01	54.9
2012-10-01	55.2
2013-01-01	55.2
2013-04-01	55.3
2013-07-01	55.5
2013-10-01	55.6
2014-01-01	55.4
2014-04-01	55.6
2014-07-01	55.6
2014-10-01	55.7
2015-01-01	55.5
2015-04-01	55.7
2015-07-01	56.0
2015-10-01	56.1
2016-01-01	56.0
2016-04-01	56.3
2016-07-01	56.9
2016-10-01	57.3
2017-01-01	57.7
2017-04-01	58.1
2017-07-01	58.2
2017-10-01	58.6
2018-01-01	58.6