Quarter	Percentage of GDP
1970-10-01	6.6
1971-01-01	6.6
1971-04-01	6.8
1971-07-01	7.0
1971-10-01	7.1
1972-01-01	7.1
1972-04-01	7.3
1972-07-01	7.5
1972-10-01	7.6
1973-01-01	7.6
1973-04-01	7.7
1973-07-01	7.9
1973-10-01	8.0
1974-01-01	8.1
1974-04-01	8.4
1974-07-01	8.7
1974-10-01	9.0
1975-01-01	9.0
1975-04-01	9.2
1975-07-01	9.5
1975-10-01	9.8
1976-01-01	9.8
1976-04-01	10.1
1976-07-01	10.4
1976-10-01	10.6
1977-01-01	10.7
1977-04-01	10.9
1977-07-01	11.2
1977-10-01	11.3
1978-01-01	11.3
1978-04-01	11.5
1978-07-01	11.8
1978-10-01	12.1
1979-01-01	12.1
1979-04-01	12.3
1979-07-01	12.5
1979-10-01	12.7
1980-01-01	12.9
1980-04-01	13.2
1980-07-01	13.6
1980-10-01	13.9
1981-01-01	13.9
1981-04-01	14.1
1981-07-01	14.4
1981-10-01	14.4
1982-01-01	14.4
1982-04-01	14.5
1982-07-01	14.6
1982-10-01	14.7
1983-01-01	14.9
1983-04-01	15.3
1983-07-01	15.8
1983-10-01	16.1
1984-01-01	16.3
1984-04-01	16.7
1984-07-01	17.0
1984-10-01	17.0
1985-01-01	17.3
1985-04-01	17.8
1985-07-01	18.2
1985-10-01	18.4
1986-01-01	18.8
1986-04-01	19.4
1986-07-01	20.0
1986-10-01	20.1
1987-01-01	20.2
1987-04-01	20.5
1987-07-01	20.6
1987-10-01	20.6
1988-01-01	20.5
1988-04-01	20.5
1988-07-01	20.4
1988-10-01	20.0
1989-01-01	19.8
1989-04-01	19.7
1989-07-01	19.6
1989-10-01	18.2
1990-01-01	17.6
1990-04-01	17.1
1990-07-01	17.3
1990-10-01	16.6
1991-01-01	14.5
1991-04-01	11.2
1991-07-01	11.1
1991-10-01	10.4
1992-01-01	10.0
1992-04-01	9.7
1992-07-01	9.6
1992-10-01	9.4
1993-01-01	9.2
1993-04-01	9.2
1993-07-01	9.1
1993-10-01	9.0
1994-01-01	8.7
1994-04-01	8.5
1994-07-01	8.4
1994-10-01	8.3
1995-01-01	7.6
1995-04-01	7.0
1995-07-01	6.5
1995-10-01	6.0
1996-01-01	5.6
1996-04-01	5.2
1996-07-01	4.9
1996-10-01	4.7
1997-01-01	4.3
1997-04-01	4.2
1997-07-01	4.1
1997-10-01	4.4
1998-01-01	4.2
1998-04-01	4.0
1998-07-01	4.0
1998-10-01	3.9
1999-01-01	3.9
1999-04-01	4.1
1999-07-01	4.3
1999-10-01	4.5
2000-01-01	4.7
2000-04-01	5.1
2000-07-01	5.4
2000-10-01	5.9
2001-01-01	6.2
2001-04-01	6.7
2001-07-01	7.2
2001-10-01	7.9
2002-01-01	8.2
2002-04-01	9.2
2002-07-01	10.5
2002-10-01	11.5
2003-01-01	12.5
2003-04-01	14.1
2003-07-01	15.5
2003-10-01	16.8
2004-01-01	17.2
2004-04-01	18.1
2004-07-01	18.8
2004-10-01	19.8
2005-01-01	20.3
2005-04-01	21.3
2005-07-01	22.4
2005-10-01	23.4
2006-01-01	24.0
2006-04-01	25.9
2006-07-01	26.4
2006-10-01	26.1
2007-01-01	26.2
2007-04-01	27.1
2007-07-01	28.7
2007-10-01	29.9
2008-01-01	31.8
2008-04-01	30.5
2008-07-01	32.6
2008-10-01	36.3
2009-01-01	40.4
2009-04-01	37.2
2009-07-01	37.4
2009-10-01	37.6
2010-01-01	37.7
2010-04-01	40.8
2010-07-01	38.9
2010-10-01	39.5
2011-01-01	36.5
2011-04-01	37.3
2011-07-01	38.7
2011-10-01	37.4
2012-01-01	33.9
2012-04-01	32.9
2012-07-01	31.9
2012-10-01	31.6
2013-01-01	31.3
2013-04-01	29.7
2013-07-01	29.2
2013-10-01	28.0
2014-01-01	27.5
2014-04-01	26.8
2014-07-01	26.1
2014-10-01	25.4
2015-01-01	23.4
2015-04-01	22.8
2015-07-01	22.2
2015-10-01	21.3
2016-01-01	20.9
2016-04-01	20.4
2016-07-01	20.3
2016-10-01	20.3
2017-01-01	19.9
2017-04-01	19.7
2017-07-01	19.4
2017-10-01	18.8
2018-01-01	18.5