Quarter	Percentage of GDP
1976-01-01	18.4
1976-04-01	18.6
1976-07-01	18.5
1976-10-01	18.3
1977-01-01	18.1
1977-04-01	17.7
1977-07-01	17.3
1977-10-01	16.8
1978-01-01	16.7
1978-04-01	17.0
1978-07-01	17.0
1978-10-01	18.9
1979-01-01	18.3
1979-04-01	17.6
1979-07-01	17.0
1979-10-01	15.4
1980-01-01	14.0
1980-04-01	13.7
1980-07-01	13.6
1980-10-01	13.6
1981-01-01	13.5
1981-04-01	14.0
1981-07-01	14.9
1981-10-01	15.7
1982-01-01	16.3
1982-04-01	19.4
1982-07-01	18.9
1982-10-01	18.9
1983-01-01	18.7
1983-04-01	17.7
1983-07-01	17.6
1983-10-01	17.5
1984-01-01	17.6
1984-04-01	17.9
1984-07-01	18.4
1984-10-01	18.7
1985-01-01	18.8
1985-04-01	19.2
1985-07-01	19.7
1985-10-01	20.4
1986-01-01	20.4
1986-04-01	21.2
1986-07-01	22.6
1986-10-01	22.9
1987-01-01	23.2
1987-04-01	24.0
1987-07-01	23.7
1987-10-01	23.5
1988-01-01	24.1
1988-04-01	25.6
1988-07-01	27.0
1988-10-01	27.6
1989-01-01	28.1
1989-04-01	29.7
1989-07-01	31.4
1989-10-01	33.3
1990-01-01	35.7
1990-04-01	39.3
1990-07-01	41.9
1990-10-01	43.5
1991-01-01	42.9
1991-04-01	43.1
1991-07-01	41.1
1991-10-01	42.7
1992-01-01	42.5
1992-04-01	42.1
1992-07-01	42.1
1992-10-01	41.2
1993-01-01	40.0
1993-04-01	41.7
1993-07-01	42.3
1993-10-01	42.2
1994-01-01	43.4
1994-04-01	43.8
1994-07-01	44.9
1994-10-01	46.4
1995-01-01	46.0
1995-04-01	46.5
1995-07-01	47.5
1995-10-01	48.5
1996-01-01	48.4
1996-04-01	50.2
1996-07-01	50.6
1996-10-01	51.7
1997-01-01	51.7
1997-04-01	53.6
1997-07-01	57.5
1997-10-01	56.6
1998-01-01	64.6
1998-04-01	76.7
1998-07-01	58.1
1998-10-01	47.9
1999-01-01	33.8
1999-04-01	22.1
1999-07-01	22.9
1999-10-01	19.2
2000-01-01	18.2
2000-04-01	18.6
2000-07-01	18.0
2000-10-01	18.2
2001-01-01	18.5
2001-04-01	18.8
2001-07-01	17.9
2001-10-01	17.4
2002-01-01	16.7
2002-04-01	16.8
2002-07-01	17.8
2002-10-01	18.7
2003-01-01	18.7
2003-04-01	18.7
2003-07-01	19.3
2003-10-01	20.1
2004-01-01	20.3
2004-04-01	22.5
2004-07-01	22.9
2004-10-01	23.6
2005-01-01	23.7
2005-04-01	24.6
2005-07-01	25.4
2005-10-01	24.4
2006-01-01	22.9
2006-04-01	22.7
2006-07-01	22.6
2006-10-01	23.1
2007-01-01	22.4
2007-04-01	23.0
2007-07-01	23.4
2007-10-01	24.5
2008-01-01	24.3
2008-04-01	25.2
2008-07-01	25.7
2008-10-01	25.4
2009-01-01	24.2
2009-04-01	23.9
2009-07-01	23.9
2009-10-01	24.4
2010-01-01	23.6
2010-04-01	24.8
2010-07-01	25.1
2010-10-01	25.8
2011-01-01	25.4
2011-04-01	26.6
2011-07-01	27.4
2011-10-01	28.2
2012-01-01	28.3
2012-04-01	29.7
2012-07-01	30.4
2012-10-01	31.7
2013-01-01	31.6
2013-04-01	33.1
2013-07-01	34.2
2013-10-01	34.5
2014-01-01	33.7
2014-04-01	34.3
2014-07-01	34.4
2014-10-01	34.9
2015-01-01	34.3
2015-04-01	35.1
2015-07-01	35.3
2015-10-01	34.9
2016-01-01	34.4
2016-04-01	34.9
2016-07-01	35.0
2016-10-01	35.5
2017-01-01	34.7
2017-04-01	34.7
2017-07-01	34.4
2017-10-01	34.9
2018-01-01	34.4