Quarter	Percentage of GDP
1990-10-01	79.4
1991-01-01	81.3
1991-04-01	80.0
1991-07-01	80.3
1991-10-01	80.2
1992-01-01	77.7
1992-04-01	77.3
1992-07-01	78.6
1992-10-01	82.5
1993-01-01	84.4
1993-04-01	85.8
1993-07-01	85.3
1993-10-01	90.3
1994-01-01	89.8
1994-04-01	91.2
1994-07-01	92.3
1994-10-01	94.8
1995-01-01	94.7
1995-04-01	92.6
1995-07-01	90.7
1995-10-01	92.7
1996-01-01	92.8
1996-04-01	94.5
1996-07-01	94.1
1996-10-01	94.7
1997-01-01	94.4
1997-04-01	97.8
1997-07-01	97.5
1997-10-01	98.8
1998-01-01	97.6
1998-04-01	99.6
1998-07-01	101.3
1998-10-01	106.3
1999-01-01	105.1
1999-04-01	105.4
1999-07-01	108.2
1999-10-01	110.5
2000-01-01	109.7
2000-04-01	109.6
2000-07-01	108.6
2000-10-01	110.1
2001-01-01	110.9
2001-04-01	111.9
2001-07-01	115.7
2001-10-01	119.0
2002-01-01	121.9
2002-04-01	125.5
2002-07-01	126.5
2002-10-01	124.0
2003-01-01	121.3
2003-04-01	117.9
2003-07-01	119.1
2003-10-01	120.6
2004-01-01	121.7
2004-04-01	121.9
2004-07-01	121.1
2004-10-01	120.1
2005-01-01	120.1
2005-04-01	123.6
2005-07-01	125.8
2005-10-01	125.3
2006-01-01	125.2
2006-04-01	123.4
2006-07-01	122.7
2006-10-01	125.3
2007-01-01	127.8
2007-04-01	132.3
2007-07-01	130.3
2007-10-01	130.2
2008-01-01	127.9
2008-04-01	128.4
2008-07-01	127.0
2008-10-01	123.1
2009-01-01	124.9
2009-04-01	123.8
2009-07-01	124.2
2009-10-01	124.6
2010-01-01	122.6
2010-04-01	124.3
2010-07-01	124.3
2010-10-01	123.8
2011-01-01	123.2
2011-04-01	122.2
2011-07-01	122.4
2011-10-01	121.0
2012-01-01	121.2
2012-04-01	119.9
2012-07-01	118.8
2012-10-01	118.5
2013-01-01	116.5
2013-04-01	115.2
2013-07-01	114.9
2013-10-01	113.9
2014-01-01	112.0
2014-04-01	112.3
2014-07-01	113.7
2014-10-01	111.6
2015-01-01	111.5
2015-04-01	109.2
2015-07-01	109.6
2015-10-01	109.9
2016-01-01	109.2
2016-04-01	110.7
2016-07-01	110.5
2016-10-01	110.5
2017-01-01	109.6
2017-04-01	109.9
2017-07-01	111.5
2017-10-01	110.3
2018-01-01	111.9