Quarter	Percentage of GDP
1985-10-01	68.5
1986-01-01	67.1
1986-04-01	68.5
1986-07-01	69.4
1986-10-01	77.1
1987-01-01	77.8
1987-04-01	79.2
1987-07-01	80.4
1987-10-01	79.1
1988-01-01	77.4
1988-04-01	78.1
1988-07-01	76.8
1988-10-01	74.7
1989-01-01	72.6
1989-04-01	71.9
1989-07-01	72.6
1989-10-01	78.0
1990-01-01	78.8
1990-04-01	81.2
1990-07-01	84.9
1990-10-01	87.5
1991-01-01	86.4
1991-04-01	86.1
1991-07-01	88.1
1991-10-01	89.8
1992-01-01	85.9
1992-04-01	84.6
1992-07-01	82.1
1992-10-01	86.9
1993-01-01	97.0
1993-04-01	94.7
1993-07-01	92.4
1993-10-01	95.6
1994-01-01	91.9
1994-04-01	90.0
1994-07-01	87.9
1994-10-01	87.7
1995-01-01	85.3
1995-04-01	83.4
1995-07-01	82.8
1995-10-01	86.4
1996-01-01	84.7
1996-04-01	87.1
1996-07-01	86.5
1996-10-01	89.2
1997-01-01	92.5
1997-04-01	92.7
1997-07-01	94.1
1997-10-01	97.3
1998-01-01	96.6
1998-04-01	98.5
1998-07-01	102.4
1998-10-01	104.9
1999-01-01	104.7
1999-04-01	106.5
1999-07-01	108.3
1999-10-01	110.3
2000-01-01	110.2
2000-04-01	106.9
2000-07-01	108.1
2000-10-01	111.1
2001-01-01	101.1
2001-04-01	102.6
2001-07-01	102.5
2001-10-01	103.2
2002-01-01	112.0
2002-04-01	114.0
2002-07-01	115.9
2002-10-01	117.4
2003-01-01	120.4
2003-04-01	125.7
2003-07-01	127.7
2003-10-01	125.7
2004-01-01	128.6
2004-04-01	123.8
2004-07-01	121.3
2004-10-01	119.4
2005-01-01	117.8
2005-04-01	114.1
2005-07-01	112.8
2005-10-01	110.1
2006-01-01	113.1
2006-04-01	113.4
2006-07-01	111.8
2006-10-01	109.4
2007-01-01	111.0
2007-04-01	111.2
2007-07-01	109.8
2007-10-01	106.1
2008-01-01	106.2
2008-04-01	104.7
2008-07-01	103.3
2008-10-01	102.1
2009-01-01	114.5
2009-04-01	122.8
2009-07-01	125.5
2009-10-01	125.6
2010-01-01	127.6
2010-04-01	128.2
2010-07-01	127.8
2010-10-01	126.7
2011-01-01	125.9
2011-04-01	124.9
2011-07-01	123.0
2011-10-01	123.1
2012-01-01	125.2
2012-04-01	126.8
2012-07-01	128.2
2012-10-01	128.8
2013-01-01	132.0
2013-04-01	133.3
2013-07-01	134.7
2013-10-01	134.1
2014-01-01	137.1
2014-04-01	138.7
2014-07-01	139.1
2014-10-01	140.4
2015-01-01	144.1
2015-04-01	146.7
2015-07-01	149.2
2015-10-01	152.7
2016-01-01	155.7
2016-04-01	157.0
2016-07-01	157.1
2016-10-01	157.1
2017-01-01	157.3
2017-04-01	157.6
2017-07-01	157.4
2017-10-01	156.1
2018-01-01	158.3