Quarter	Percentage of GDP
1981-01-01	48.3
1981-04-01	48.5
1981-07-01	48.8
1981-10-01	49.2
1982-01-01	49.9
1982-04-01	51.3
1982-07-01	52.6
1982-10-01	53.5
1983-01-01	54.0
1983-04-01	53.8
1983-07-01	53.5
1983-10-01	53.4
1984-01-01	53.4
1984-04-01	54.5
1984-07-01	55.5
1984-10-01	56.4
1985-01-01	57.2
1985-04-01	58.5
1985-07-01	59.6
1985-10-01	60.7
1986-01-01	61.8
1986-04-01	63.1
1986-07-01	64.3
1986-10-01	65.3
1987-01-01	66.2
1987-04-01	67.4
1987-07-01	68.2
1987-10-01	68.7
1988-01-01	68.6
1988-04-01	68.6
1988-07-01	68.4
1988-10-01	68.4
1989-01-01	68.7
1989-04-01	69.6
1989-07-01	70.3
1989-10-01	70.7
1990-01-01	70.9
1990-04-01	70.6
1990-07-01	70.3
1990-10-01	70.0
1991-01-01	69.8
1991-04-01	71.0
1991-07-01	72.2
1991-10-01	73.1
1992-01-01	73.8
1992-04-01	73.8
1992-07-01	73.6
1992-10-01	73.4
1993-01-01	73.3
1993-04-01	73.5
1993-07-01	73.6
1993-10-01	73.5
1994-01-01	73.2
1994-04-01	72.7
1994-07-01	72.1
1994-10-01	71.4
1995-01-01	70.7
1995-04-01	70.1
1995-07-01	69.4
1995-10-01	68.7
1996-01-01	67.8
1996-04-01	67.1
1996-07-01	66.4
1996-10-01	66.0
1997-01-01	65.5
1997-04-01	65.9
1997-07-01	66.9
1997-10-01	67.5
1998-01-01	67.7
1998-04-01	68.2
1998-07-01	68.2
1998-10-01	68.1
1999-01-01	68.5
1999-04-01	69.3
1999-07-01	70.4
1999-10-01	71.7
2000-01-01	72.3
2000-04-01	73.0
2000-07-01	73.6
2000-10-01	74.4
2001-01-01	75.5
2001-04-01	77.0
2001-07-01	78.5
2001-10-01	79.5
2002-01-01	80.6
2002-04-01	81.7
2002-07-01	82.6
2002-10-01	83.9
2003-01-01	84.7
2003-04-01	85.4
2003-07-01	85.8
2003-10-01	85.2
2004-01-01	85.1
2004-04-01	85.1
2004-07-01	84.6
2004-10-01	84.4
2005-01-01	83.8
2005-04-01	82.9
2005-07-01	82.4
2005-10-01	81.7
2006-01-01	80.6
2006-04-01	80.0
2006-07-01	78.7
2006-10-01	77.4
2007-01-01	76.1
2007-04-01	75.1
2007-07-01	74.6
2007-10-01	73.7
2008-01-01	72.8
2008-04-01	72.3
2008-07-01	71.7
2008-10-01	72.1
2009-01-01	73.5
2009-04-01	74.5
2009-07-01	74.9
2009-10-01	74.2
2010-01-01	72.0
2010-04-01	70.6
2010-07-01	69.5
2010-10-01	68.2
2011-01-01	66.9
2011-04-01	66.6
2011-07-01	66.5
2011-10-01	66.4
2012-01-01	66.8
2012-04-01	66.7
2012-07-01	66.5
2012-10-01	66.8
2013-01-01	66.7
2013-04-01	67.2
2013-07-01	67.3
2013-10-01	67.1
2014-01-01	67.1
2014-04-01	66.7
2014-07-01	66.3
2014-10-01	66.4
2015-01-01	66.5
2015-04-01	67.0
2015-07-01	67.6
2015-10-01	68.1
2016-01-01	68.2
2016-04-01	68.1
2016-07-01	68.1
2016-10-01	67.9
2017-01-01	67.7
2017-04-01	68.5
2017-07-01	68.9
2017-10-01	69.1
2018-01-01	69.2