Quarter	Percentage of GDP
1992-10-01	50.6
1993-01-01	54.2
1993-04-01	54.4
1993-07-01	54.8
1993-10-01	57.0
1994-01-01	57.7
1994-04-01	59.1
1994-07-01	60.3
1994-10-01	60.8
1995-01-01	59.8
1995-04-01	62.0
1995-07-01	61.9
1995-10-01	63.9
1996-01-01	64.1
1996-04-01	64.8
1996-07-01	64.7
1996-10-01	66.9
1997-01-01	67.3
1997-04-01	68.4
1997-07-01	68.5
1997-10-01	70.0
1998-01-01	70.7
1998-04-01	71.6
1998-07-01	73.8
1998-10-01	75.5
1999-01-01	76.4
1999-04-01	78.2
1999-07-01	79.4
1999-10-01	80.5
2000-01-01	79.4
2000-04-01	78.8
2000-07-01	78.4
2000-10-01	79.1
2001-01-01	77.8
2001-04-01	80.9
2001-07-01	83.1
2001-10-01	83.8
2002-01-01	179.7
2002-04-01	219.4
2002-07-01	220.9
2002-10-01	207.4
2003-01-01	173.5
2003-04-01	166.5
2003-07-01	179.8
2003-10-01	166.5
2004-01-01	154.0
2004-04-01	153.6
2004-07-01	149.2
2004-10-01	148.5
2005-01-01	139.2
2005-04-01	97.4
2005-07-01	92.6
2005-10-01	120.7
2006-01-01	115.8
2006-04-01	113.1
2006-07-01	107.9
2006-10-01	106.7
2007-01-01	103.0
2007-04-01	99.2
2007-07-01	95.7
2007-10-01	94.0
2008-01-01	88.4
2008-04-01	82.0
2008-07-01	78.5
2008-10-01	80.0
2009-01-01	79.6
2009-04-01	82.4
2009-07-01	82.1
2009-10-01	80.7
2010-01-01	79.3
2010-04-01	77.2
2010-07-01	74.5
2010-10-01	67.3
2011-01-01	67.0
2011-04-01	65.2
2011-07-01	63.2
2011-10-01	61.2
2012-01-01	59.9
2012-04-01	60.1
2012-07-01	60.9
2012-10-01	62.6
2013-01-01	61.3
2013-04-01	61.1
2013-07-01	62.9
2013-10-01	66.4
2014-01-01	68.3
2014-04-01	66.8
2014-07-01	64.8
2014-10-01	64.6
2015-01-01	62.3
2015-04-01	62.6
2015-07-01	63.6
2015-10-01	74.2
2016-01-01	82.7
2016-04-01	80.5
2016-07-01	78.8
2016-10-01	74.0
2017-01-01	70.2
2017-04-01	73.6
2017-07-01	75.6
2017-10-01	80.4
2018-01-01	80.4