Quarter	Percentage of GDP
1992-07-01	116.6
1992-10-01	119.4
1993-01-01	122.5
1993-04-01	122.1
1993-07-01	121.4
1993-10-01	119.5
1994-01-01	117.2
1994-04-01	115.2
1994-07-01	113.8
1994-10-01	111.1
1995-01-01	106.0
1995-04-01	101.3
1995-07-01	98.9
1995-10-01	98.3
1996-01-01	97.7
1996-04-01	97.5
1996-07-01	97.0
1996-10-01	96.2
1997-01-01	96.9
1997-04-01	97.4
1997-07-01	96.8
1997-10-01	94.2
1998-01-01	93.6
1998-04-01	93.1
1998-07-01	93.3
1998-10-01	96.0
1999-01-01	93.0
1999-04-01	91.7
1999-07-01	92.3
1999-10-01	90.0
2000-01-01	87.4
2000-04-01	86.0
2000-07-01	82.6
2000-10-01	79.8
2001-01-01	79.3
2001-04-01	79.3
2001-07-01	82.0
2001-10-01	83.8
2002-01-01	88.1
2002-04-01	90.2
2002-07-01	91.8
2002-10-01	90.4
2003-01-01	90.7
2003-04-01	90.2
2003-07-01	91.9
2003-10-01	93.1
2004-01-01	94.2
2004-04-01	93.5
2004-07-01	92.8
2004-10-01	91.3
2005-01-01	91.4
2005-04-01	90.1
2005-07-01	90.0
2005-10-01	88.3
2006-01-01	85.3
2006-04-01	82.2
2006-07-01	80.6
2006-10-01	80.1
2007-01-01	78.9
2007-04-01	75.7
2007-07-01	73.9
2007-10-01	73.1
2008-01-01	70.4
2008-04-01	69.9
2008-07-01	71.1
2008-10-01	72.0
2009-01-01	73.3
2009-04-01	73.5
2009-07-01	74.2
2009-10-01	74.6
2010-01-01	73.2
2010-04-01	71.8
2010-07-01	71.2
2010-10-01	70.8
2011-01-01	70.0
2011-04-01	68.5
2011-07-01	68.9
2011-10-01	68.9
2012-01-01	68.4
2012-04-01	68.4
2012-07-01	68.4
2012-10-01	68.5
2013-01-01	68.6
2013-04-01	68.2
2013-07-01	67.7
2013-10-01	67.1
2014-01-01	66.4
2014-04-01	66.3
2014-07-01	66.0
2014-10-01	65.8
2015-01-01	64.5
2015-04-01	63.9
2015-07-01	64.0
2015-10-01	63.5
2016-01-01	63.2
2016-04-01	63.3
2016-07-01	62.1
2016-10-01	61.4
2017-01-01	61.1
2017-04-01	61.1
2017-07-01	60.9
2017-10-01	59.8
2018-01-01	60.4