Quarter	Percentage of GDP
1998-10-01	91.5
1999-01-01	94.0
1999-04-01	93.7
1999-07-01	94.4
1999-10-01	91.7
2000-01-01	88.4
2000-04-01	88.0
2000-07-01	90.1
2000-10-01	89.0
2001-01-01	91.1
2001-04-01	94.3
2001-07-01	88.4
2001-10-01	87.9
2002-01-01	88.7
2002-04-01	88.7
2002-07-01	91.7
2002-10-01	93.1
2003-01-01	94.3
2003-04-01	92.1
2003-07-01	90.5
2003-10-01	89.0
2004-01-01	90.5
2004-04-01	90.8
2004-07-01	90.1
2004-10-01	87.0
2005-01-01	87.5
2005-04-01	88.4
2005-07-01	88.1
2005-10-01	87.8
2006-01-01	89.7
2006-04-01	90.2
2006-07-01	89.5
2006-10-01	91.6
2007-01-01	90.9
2007-04-01	92.1
2007-07-01	92.2
2007-10-01	96.2
2008-01-01	96.0
2008-04-01	98.3
2008-07-01	101.3
2008-10-01	104.6
2009-01-01	103.4
2009-04-01	108.2
2009-07-01	111.3
2009-10-01	114.8
2010-01-01	117.5
2010-04-01	118.9
2010-07-01	123.3
2010-10-01	121.1
2011-01-01	121.1
2011-04-01	122.8
2011-07-01	125.3
2011-10-01	127.4
2012-01-01	130.7
2012-04-01	132.7
2012-07-01	136.0
2012-10-01	139.6
2013-01-01	142.6
2013-04-01	144.2
2013-07-01	144.5
2013-10-01	146.8
2014-01-01	145.4
2014-04-01	144.3
2014-07-01	142.8
2014-10-01	141.6
2015-01-01	141.1
2015-04-01	137.7
2015-07-01	136.3
2015-10-01	134.4
2016-01-01	133.2
2016-04-01	133.1
2016-07-01	132.7
2016-10-01	130.9
2017-01-01	133.7
2017-04-01	132.1
2017-07-01	126.5
2017-10-01	125.3
2018-01-01	125.7