Quarter	Percentage of GDP
1999-01-01	71.1
1999-04-01	69.9
1999-07-01	68.8
1999-10-01	68.1
2000-01-01	68.5
2000-04-01	67.1
2000-07-01	66.1
2000-10-01	66.1
2001-01-01	67.2
2001-04-01	66.1
2001-07-01	66.4
2001-10-01	66.3
2002-01-01	66.4
2002-04-01	67.4
2002-07-01	68.7
2002-10-01	68.7
2003-01-01	70.1
2003-04-01	71.3
2003-07-01	70.4
2003-10-01	69.9
2004-01-01	75.0
2004-04-01	74.1
2004-07-01	74.0
2004-10-01	73.8
2005-01-01	75.2
2005-04-01	75.7
2005-07-01	74.2
2005-10-01	73.4
2006-01-01	73.2
2006-04-01	71.5
2006-07-01	71.7
2006-10-01	70.6
2007-01-01	71.0
2007-04-01	69.3
2007-07-01	69.5
2007-10-01	69.6
2008-01-01	71.3
2008-04-01	69.9
2008-07-01	71.7
2008-10-01	76.9
2009-01-01	80.2
2009-04-01	82.6
2009-07-01	86.0
2009-10-01	87.6
2010-01-01	90.6
2010-04-01	93.2
2010-07-01	94.8
2010-10-01	94.7
2011-01-01	95.5
2011-04-01	96.5
2011-07-01	99.9
2011-10-01	101.0
2012-01-01	102.8
2012-04-01	104.7
2012-07-01	105.6
2012-10-01	106.7
2013-01-01	108.4
2013-04-01	106.5
2013-07-01	105.7
2013-10-01	106.0
2014-01-01	107.8
2014-04-01	108.4
2014-07-01	108.6
2014-10-01	110.4
2015-01-01	111.2
2015-04-01	108.0
2015-07-01	108.2
2015-10-01	108.8
2016-01-01	111.8
2016-04-01	113.4
2016-07-01	113.0
2016-10-01	110.1
2017-01-01	109.5
2017-04-01	108.7
2017-07-01	108.3
2017-10-01	107.8
2018-01-01	108.1