Quarter	Percentage of GDP
1992-07-01	49.5
1992-10-01	52.3
1993-01-01	53.9
1993-04-01	53.9
1993-07-01	53.3
1993-10-01	55.2
1994-01-01	54.6
1994-04-01	55.2
1994-07-01	55.9
1994-10-01	58.3
1995-01-01	59.1
1995-04-01	57.7
1995-07-01	56.6
1995-10-01	57.9
1996-01-01	57.4
1996-04-01	58.1
1996-07-01	58.2
1996-10-01	58.5
1997-01-01	57.9
1997-04-01	61.0
1997-07-01	60.2
1997-10-01	61.1
1998-01-01	61.0
1998-04-01	62.3
1998-07-01	64.1
1998-10-01	67.9
1999-01-01	67.2
1999-04-01	67.7
1999-07-01	70.0
1999-10-01	72.0
2000-01-01	71.7
2000-04-01	71.6
2000-07-01	71.1
2000-10-01	73.3
2001-01-01	74.9
2001-04-01	75.6
2001-07-01	78.5
2001-10-01	81.3
2002-01-01	83.6
2002-04-01	86.2
2002-07-01	86.9
2002-10-01	85.2
2003-01-01	83.2
2003-04-01	79.8
2003-07-01	80.8
2003-10-01	82.1
2004-01-01	83.4
2004-04-01	83.5
2004-07-01	83.1
2004-10-01	82.4
2005-01-01	82.7
2005-04-01	86.1
2005-07-01	88.1
2005-10-01	87.3
2006-01-01	88.0
2006-04-01	86.6
2006-07-01	85.9
2006-10-01	89.3
2007-01-01	92.3
2007-04-01	96.0
2007-07-01	93.4
2007-10-01	93.3
2008-01-01	91.3
2008-04-01	91.3
2008-07-01	88.9
2008-10-01	85.2
2009-01-01	87.5
2009-04-01	86.2
2009-07-01	85.8
2009-10-01	85.7
2010-01-01	83.9
2010-04-01	85.0
2010-07-01	84.5
2010-10-01	84.1
2011-01-01	83.6
2011-04-01	82.1
2011-07-01	82.2
2011-10-01	81.3
2012-01-01	81.6
2012-04-01	80.4
2012-07-01	79.1
2012-10-01	78.8
2013-01-01	76.8
2013-04-01	75.6
2013-07-01	75.0
2013-10-01	74.0
2014-01-01	72.7
2014-04-01	72.5
2014-07-01	73.4
2014-10-01	71.3
2015-01-01	71.6
2015-04-01	69.0
2015-07-01	69.0
2015-10-01	69.2
2016-01-01	68.3
2016-04-01	69.4
2016-07-01	69.0
2016-10-01	69.3
2017-01-01	68.3
2017-04-01	68.4
2017-07-01	69.9
2017-10-01	68.5
2018-01-01	70.2