Quarter	Percentage of GDP
1997-07-01	74.3
1997-10-01	75.1
1998-01-01	75.6
1998-04-01	76.3
1998-07-01	76.6
1998-10-01	77.8
1999-01-01	77.3
1999-04-01	78.8
1999-07-01	79.1
1999-10-01	80.3
2000-01-01	81.1
2000-04-01	81.7
2000-07-01	82.7
2000-10-01	83.1
2001-01-01	84.5
2001-04-01	85.1
2001-07-01	85.1
2001-10-01	85.2
2002-01-01	85.4
2002-04-01	85.6
2002-07-01	85.4
2002-10-01	85.4
2003-01-01	85.4
2003-04-01	86.0
2003-07-01	86.1
2003-10-01	86.4
2004-01-01	86.4
2004-04-01	87.1
2004-07-01	87.3
2004-10-01	87.8
2005-01-01	88.2
2005-04-01	90.4
2005-07-01	91.0
2005-10-01	92.2
2006-01-01	93.5
2006-04-01	95.0
2006-07-01	95.7
2006-10-01	96.5
2007-01-01	97.2
2007-04-01	98.5
2007-07-01	99.2
2007-10-01	100.3
2008-01-01	101.6
2008-04-01	102.3
2008-07-01	103.1
2008-10-01	103.6
2009-01-01	104.5
2009-04-01	105.4
2009-07-01	106.0
2009-10-01	106.2
2010-01-01	106.0
2010-04-01	106.3
2010-07-01	105.7
2010-10-01	105.0
2011-01-01	104.8
2011-04-01	104.9
2011-07-01	104.5
2011-10-01	103.3
2012-01-01	102.8
2012-04-01	103.0
2012-07-01	102.2
2012-10-01	101.0
2013-01-01	100.5
2013-04-01	99.6
2013-07-01	98.8
2013-10-01	97.7
2014-01-01	97.0
2014-04-01	96.0
2014-07-01	95.3
2014-10-01	94.8
2015-01-01	94.7
2015-04-01	94.2
2015-07-01	93.4
2015-10-01	92.5
2016-01-01	92.4
2016-04-01	92.1
2016-07-01	91.6
2016-10-01	91.6
2017-01-01	91.7
2017-04-01	91.1
2017-07-01	90.4
2017-10-01	90.0
2018-01-01	89.7