Quarter	Percentage of GDP
1990-10-01	27.9
1991-01-01	28.8
1991-04-01	29.6
1991-07-01	30.2
1991-10-01	31.8
1992-01-01	32.6
1992-04-01	33.1
1992-07-01	34.6
1992-10-01	35.7
1993-01-01	36.5
1993-04-01	36.8
1993-07-01	37.4
1993-10-01	38.2
1994-01-01	39.0
1994-04-01	39.6
1994-07-01	40.7
1994-10-01	41.6
1995-01-01	42.1
1995-04-01	43.2
1995-07-01	44.2
1995-10-01	45.6
1996-01-01	46.8
1996-04-01	48.8
1996-07-01	49.1
1996-10-01	50.4
1997-01-01	51.9
1997-04-01	52.4
1997-07-01	53.3
1997-10-01	54.6
1998-01-01	55.2
1998-04-01	55.8
1998-07-01	56.7
1998-10-01	57.7
1999-01-01	58.6
1999-04-01	59.2
1999-07-01	60.5
1999-10-01	61.3
2000-01-01	61.2
2000-04-01	61.3
2000-07-01	61.4
2000-10-01	61.9
2001-01-01	62.0
2001-04-01	62.0
2001-07-01	62.0
2001-10-01	62.4
2002-01-01	62.5
2002-04-01	63.2
2002-07-01	63.4
2002-10-01	64.7
2003-01-01	66.0
2003-04-01	67.2
2003-07-01	68.8
2003-10-01	70.7
2004-01-01	71.8
2004-04-01	72.7
2004-07-01	73.6
2004-10-01	75.4
2005-01-01	77.3
2005-04-01	78.9
2005-07-01	80.5
2005-10-01	82.6
2006-01-01	83.8
2006-04-01	85.5
2006-07-01	87.0
2006-10-01	88.4
2007-01-01	89.9
2007-04-01	90.9
2007-07-01	90.7
2007-10-01	91.4
2008-01-01	91.6
2008-04-01	91.3
2008-07-01	91.7
2008-10-01	91.9
2009-01-01	92.5
2009-04-01	93.2
2009-07-01	93.1
2009-10-01	93.3
2010-01-01	92.8
2010-04-01	92.0
2010-07-01	91.3
2010-10-01	90.3
2011-01-01	89.8
2011-04-01	89.0
2011-07-01	87.9
2011-10-01	87.0
2012-01-01	86.7
2012-04-01	86.7
2012-07-01	87.1
2012-10-01	88.1
2013-01-01	88.7
2013-04-01	89.5
2013-07-01	89.1
2013-10-01	88.3
2014-01-01	87.6
2014-04-01	87.1
2014-07-01	86.8
2014-10-01	87.6
2015-01-01	88.3
2015-04-01	88.7
2015-07-01	89.2
2015-10-01	89.9
2016-01-01	90.2
2016-04-01	91.3
2016-07-01	92.2
2016-10-01	92.5
2017-01-01	92.4
2017-04-01	92.4
2017-07-01	91.9
2017-10-01	91.9
2018-01-01	92.2