Quarter	Percentage of GDP
1994-01-01	26.5
1994-04-01	27.7
1994-07-01	28.0
1994-10-01	28.3
1995-01-01	26.9
1995-04-01	28.1
1995-07-01	27.7
1995-10-01	29.3
1996-01-01	28.9
1996-04-01	29.5
1996-07-01	29.5
1996-10-01	30.0
1997-01-01	30.5
1997-04-01	31.7
1997-07-01	32.4
1997-10-01	33.3
1998-01-01	33.2
1998-04-01	33.5
1998-07-01	34.1
1998-10-01	34.8
1999-01-01	34.9
1999-04-01	35.5
1999-07-01	34.5
1999-10-01	34.2
2000-01-01	32.6
2000-04-01	31.7
2000-07-01	31.4
2000-10-01	30.4
2001-01-01	28.7
2001-04-01	30.2
2001-07-01	28.8
2001-10-01	28.2
2002-01-01	57.4
2002-04-01	68.3
2002-07-01	62.2
2002-10-01	51.4
2003-01-01	42.5
2003-04-01	38.2
2003-07-01	36.6
2003-10-01	34.7
2004-01-01	31.4
2004-04-01	30.8
2004-07-01	29.8
2004-10-01	27.9
2005-01-01	25.7
2005-04-01	24.7
2005-07-01	23.2
2005-10-01	22.3
2006-01-01	21.7
2006-04-01	21.0
2006-07-01	20.3
2006-10-01	19.6
2007-01-01	18.9
2007-04-01	18.4
2007-07-01	18.1
2007-10-01	17.2
2008-01-01	16.5
2008-04-01	15.4
2008-07-01	15.3
2008-10-01	15.4
2009-01-01	15.7
2009-04-01	16.0
2009-07-01	15.5
2009-10-01	14.9
2010-01-01	14.3
2010-04-01	14.0
2010-07-01	13.6
2010-10-01	13.5
2011-01-01	13.3
2011-04-01	13.1
2011-07-01	13.4
2011-10-01	13.0
2012-01-01	12.7
2012-04-01	12.8
2012-07-01	12.9
2012-10-01	13.3
2013-01-01	13.0
2013-04-01	13.1
2013-07-01	13.2
2013-10-01	13.6
2014-01-01	13.6
2014-04-01	12.5
2014-07-01	12.1
2014-10-01	11.4
2015-01-01	11.2
2015-04-01	11.4
2015-07-01	11.2
2015-10-01	12.4
2016-01-01	12.4
2016-04-01	12.1
2016-07-01	12.3
2016-10-01	12.2
2017-01-01	11.8
2017-04-01	12.5
2017-07-01	13.3
2017-10-01	13.8
2018-01-01	13.8