Quarter	Percentage of GDP
2006-01-01	108.2
2006-04-01	109.8
2006-07-01	108.5
2006-10-01	106.5
2007-01-01	100.6
2007-04-01	100.7
2007-07-01	99.3
2007-10-01	96.8
2008-01-01	97.4
2008-04-01	96.7
2008-07-01	96.4
2008-10-01	96.3
2009-01-01	108.4
2009-04-01	116.5
2009-07-01	119.3
2009-10-01	119.9
2010-01-01	120.9
2010-04-01	121.9
2010-07-01	121.3
2010-10-01	120.7
2011-01-01	120.6
2011-04-01	120.0
2011-07-01	118.6
2011-10-01	119.9
2012-01-01	123.0
2012-04-01	125.3
2012-07-01	128.0
2012-10-01	130.6
2013-01-01	135.8
2013-04-01	137.8
2013-07-01	140.0
2013-10-01	140.7
2014-01-01	144.6
2014-04-01	147.5
2014-07-01	147.9
2014-10-01	149.9
2015-01-01	153.5
2015-04-01	155.6
2015-07-01	158.2
2015-10-01	162.7
2016-01-01	166.3
2016-04-01	166.9
2016-07-01	166.3
2016-10-01	166.4
2017-01-01	165.5
2017-04-01	163.5
2017-07-01	162.4
2017-10-01	160.3
2018-01-01	164.1