Quarter	Percentage of GDP
1998-10-01	58.9
1999-01-01	59.5
1999-04-01	53.8
1999-07-01	50.0
1999-10-01	48.1
2000-01-01	45.9
2000-04-01	43.4
2000-07-01	39.8
2000-10-01	37.0
2001-01-01	35.2
2001-04-01	33.2
2001-07-01	33.0
2001-10-01	33.5
2002-01-01	32.3
2002-04-01	32.6
2002-07-01	33.3
2002-10-01	31.8
2003-01-01	31.7
2003-04-01	32.6
2003-07-01	32.3
2003-10-01	30.8
2004-01-01	31.6
2004-04-01	31.5
2004-07-01	30.5
2004-10-01	29.3
2005-01-01	29.4
2005-04-01	30.3
2005-07-01	29.4
2005-10-01	28.0
2006-01-01	28.0
2006-04-01	26.9
2006-07-01	25.9
2006-10-01	24.5
2007-01-01	24.8
2007-04-01	24.0
2007-07-01	28.3
2007-10-01	24.4
2008-01-01	27.2
2008-04-01	30.5
2008-07-01	37.4
2008-10-01	44.1
2009-01-01	49.4
2009-04-01	56.6
2009-07-01	61.3
2009-10-01	63.7
2010-01-01	77.3
2010-04-01	74.4
2010-07-01	81.4
2010-10-01	78.9
2011-01-01	82.7
2011-04-01	80.6
2011-07-01	107.6
2011-10-01	106.7
2012-01-01	112.8
2012-04-01	116.5
2012-07-01	124.4
2012-10-01	124.7
2013-01-01	131.4
2013-04-01	130.0
2013-07-01	129.4
2013-10-01	127.4
2014-01-01	126.8
2014-04-01	122.6
2014-07-01	121.9
2014-10-01	116.8
2015-01-01	108.0
2015-04-01	98.0
2015-07-01	92.3
2015-10-01	85.2
2016-01-01	87.0
2016-04-01	83.8
2016-07-01	84.9
2016-10-01	81.0
2017-01-01	82.2
2017-04-01	81.3
2017-07-01	79.0
2017-10-01	74.3
2018-01-01	75.3