Quarter	Percentage of GDP
1980-10-01	13.5
1981-01-01	13.2
1981-04-01	13.5
1981-07-01	13.5
1981-10-01	14.1
1982-01-01	15.1
1982-04-01	14.1
1982-07-01	13.4
1982-10-01	11.9
1983-01-01	10.6
1983-04-01	10.4
1983-07-01	9.3
1983-10-01	9.5
1984-01-01	8.9
1984-04-01	9.5
1984-07-01	9.6
1984-10-01	10.6
1985-01-01	10.7
1985-04-01	10.6
1985-07-01	10.3
1985-10-01	10.0
1986-01-01	9.8
1986-04-01	9.9
1986-07-01	10.1
1986-10-01	10.2
1987-01-01	9.6
1987-04-01	9.4
1987-07-01	9.6
1987-10-01	10.6
1988-01-01	8.5
1988-04-01	8.6
1988-07-01	8.0
1988-10-01	9.7
1989-01-01	9.9
1989-04-01	11.4
1989-07-01	12.2
1989-10-01	14.6
1990-01-01	14.7
1990-04-01	15.9
1990-07-01	16.4
1990-10-01	18.0
1991-01-01	18.3
1991-04-01	19.5
1991-07-01	20.3
1991-10-01	22.4
1992-01-01	23.0
1992-04-01	25.2
1992-07-01	26.3
1992-10-01	28.1
1993-01-01	28.5
1993-04-01	29.6
1993-07-01	30.6
1993-10-01	31.4
1994-01-01	32.4
1994-04-01	33.5
1994-07-01	34.2
1994-10-01	34.2
1995-01-01	35.7
1995-04-01	32.6
1995-07-01	31.7
1995-10-01	32.7
1996-01-01	30.6
1996-04-01	29.3
1996-07-01	28.0
1996-10-01	26.6
1997-01-01	26.0
1997-04-01	24.4
1997-07-01	22.6
1997-10-01	21.8
1998-01-01	20.8
1998-04-01	20.3
1998-07-01	19.6
1998-10-01	18.1
1999-01-01	17.4
1999-04-01	16.8
1999-07-01	14.7
1999-10-01	14.3
2000-01-01	13.1
2000-04-01	12.6
2000-07-01	11.8
2000-10-01	11.2
2001-01-01	10.6
2001-04-01	10.1
2001-07-01	9.9
2001-10-01	9.5
2002-01-01	8.9
2002-04-01	8.9
2002-07-01	9.0
2002-10-01	9.2
2003-01-01	8.9
2003-04-01	8.6
2003-07-01	8.5
2003-10-01	8.6
2004-01-01	8.4
2004-04-01	8.4
2004-07-01	8.5
2004-10-01	8.9
2005-01-01	8.8
2005-04-01	9.1
2005-07-01	9.0
2005-10-01	9.8
2006-01-01	10.0
2006-04-01	10.4
2006-07-01	10.7
2006-10-01	11.5
2007-01-01	11.8
2007-04-01	12.4
2007-07-01	13.1
2007-10-01	13.6
2008-01-01	13.8
2008-04-01	14.0
2008-07-01	14.0
2008-10-01	14.4
2009-01-01	14.5
2009-04-01	14.5
2009-07-01	14.8
2009-10-01	14.8
2010-01-01	14.4
2010-04-01	14.2
2010-07-01	14.3
2010-10-01	14.4
2011-01-01	14.5
2011-04-01	14.6
2011-07-01	15.1
2011-10-01	15.2
2012-01-01	15.0
2012-04-01	15.2
2012-07-01	15.3
2012-10-01	15.7
2013-01-01	15.6
2013-04-01	15.9
2013-07-01	16.3
2013-10-01	16.7
2014-01-01	16.5
2014-04-01	16.5
2014-07-01	16.5
2014-10-01	16.7
2015-01-01	16.7
2015-04-01	17.0
2015-07-01	17.4
2015-10-01	17.8
2016-01-01	17.8
2016-04-01	18.3
2016-07-01	18.6
2016-10-01	18.8
2017-01-01	18.7
2017-04-01	18.8
2017-07-01	19.0
2017-10-01	19.4
2018-01-01	19.2