Quarter	Percentage of GDP
1999-01-01	77.8
1999-04-01	76.6
1999-07-01	75.0
1999-10-01	73.8
2000-01-01	73.8
2000-04-01	73.1
2000-07-01	72.2
2000-10-01	71.5
2001-01-01	71.3
2001-04-01	70.8
2001-07-01	70.9
2001-10-01	70.6
2002-01-01	70.4
2002-04-01	70.8
2002-07-01	71.9
2002-10-01	71.4
2003-01-01	73.0
2003-04-01	74.1
2003-07-01	73.5
2003-10-01	72.0
2004-01-01	74.1
2004-04-01	73.9
2004-07-01	74.2
2004-10-01	73.5
2005-01-01	74.6
2005-04-01	76.5
2005-07-01	75.8
2005-10-01	74.4
2006-01-01	73.7
2006-04-01	72.5
2006-07-01	72.5
2006-10-01	70.5
2007-01-01	70.2
2007-04-01	69.0
2007-07-01	68.3
2007-10-01	66.7
2008-01-01	67.9
2008-04-01	66.9
2008-07-01	67.7
2008-10-01	71.8
2009-01-01	75.6
2009-04-01	78.5
2009-07-01	81.3
2009-10-01	82.3
2010-01-01	84.5
2010-04-01	85.7
2010-07-01	86.5
2010-10-01	86.5
2011-01-01	86.6
2011-04-01	87.3
2011-07-01	88.4
2011-10-01	87.7
2012-01-01	91.4
2012-04-01	93.4
2012-07-01	95.4
2012-10-01	98.0
2013-01-01	99.5
2013-04-01	100.2
2013-07-01	99.1
2013-10-01	99.4
2014-01-01	102.4
2014-04-01	104.4
2014-07-01	105.0
2014-10-01	105.7
2015-01-01	108.9
2015-04-01	104.0
2015-07-01	104.2
2015-10-01	103.2
2016-01-01	105.6
2016-04-01	106.4
2016-07-01	105.5
2016-10-01	102.5
2017-01-01	101.3
2017-04-01	101.1
2017-07-01	99.9
2017-10-01	98.5
2018-01-01	98.4