Quarter	Percentage of GDP
1998-10-01	135.3
1999-01-01	136.7
1999-04-01	132.4
1999-07-01	130.1
1999-10-01	123.7
2000-01-01	124.7
2000-04-01	121.2
2000-07-01	121.0
2000-10-01	117.5
2001-01-01	119.2
2001-04-01	118.6
2001-07-01	120.1
2001-10-01	116.1
2002-01-01	116.5
2002-04-01	116.1
2002-07-01	117.4
2002-10-01	115.4
2003-01-01	117.6
2003-04-01	117.9
2003-07-01	115.5
2003-10-01	109.7
2004-01-01	114.2
2004-04-01	111.4
2004-07-01	110.4
2004-10-01	105.9
2005-01-01	109.3
2005-04-01	110.3
2005-07-01	107.8
2005-10-01	103.9
2006-01-01	104.3
2006-04-01	100.9
2006-07-01	100.7
2006-10-01	96.3
2007-01-01	96.9
2007-04-01	94.4
2007-07-01	95.0
2007-10-01	89.9
2008-01-01	93.2
2008-04-01	90.5
2008-07-01	92.1
2008-10-01	97.7
2009-01-01	102.8
2009-04-01	105.1
2009-07-01	107.4
2009-10-01	105.5
2010-01-01	109.9
2010-04-01	110.6
2010-07-01	109.8
2010-10-01	104.0
2011-01-01	105.6
2011-04-01	105.2
2011-07-01	107.3
2011-10-01	106.6
2012-01-01	111.5
2012-04-01	113.9
2012-07-01	115.7
2012-10-01	116.4
2013-01-01	119.8
2013-04-01	118.9
2013-07-01	117.3
2013-10-01	114.6
2014-01-01	122.7
2014-04-01	125.4
2014-07-01	126.3
2014-10-01	126.5
2015-01-01	132.8
2015-04-01	126.1
2015-07-01	126.2
2015-10-01	123.2
2016-01-01	128.9
2016-04-01	131.2
2016-07-01	130.3
2016-10-01	124.5
2017-01-01	124.1
2017-04-01	121.2
2017-07-01	121.4
2017-10-01	118.2
2018-01-01	119.9