Quarter	Percentage of GDP
1990-01-01	196.6
1990-04-01	200.0
1990-07-01	201.4
1990-10-01	205.3
1991-01-01	209.7
1991-04-01	214.7
1991-07-01	215.7
1991-10-01	219.7
1992-01-01	218.6
1992-04-01	224.8
1992-07-01	226.0
1992-10-01	227.8
1993-01-01	232.9
1993-04-01	236.6
1993-07-01	237.9
1993-10-01	239.5
1994-01-01	237.8
1994-04-01	237.8
1994-07-01	234.8
1994-10-01	234.4
1995-01-01	234.8
1995-04-01	234.6
1995-07-01	234.9
1995-10-01	231.4
1996-01-01	235.0
1996-04-01	234.6
1996-07-01	235.6
1996-10-01	239.5
1997-01-01	238.6
1997-04-01	236.2
1997-07-01	234.2
1997-10-01	235.8
1998-01-01	236.4
1998-04-01	237.4
1998-07-01	237.9
1998-10-01	239.9
1999-01-01	239.1
1999-04-01	235.2
1999-07-01	231.7
1999-10-01	227.2
2000-01-01	226.3
2000-04-01	223.2
2000-07-01	219.5
2000-10-01	217.9
2001-01-01	219.1
2001-04-01	217.1
2001-07-01	221.9
2001-10-01	223.0
2002-01-01	225.7
2002-04-01	227.1
2002-07-01	227.8
2002-10-01	226.0
2003-01-01	221.0
2003-04-01	222.1
2003-07-01	218.9
2003-10-01	218.4
2004-01-01	221.7
2004-04-01	219.4
2004-07-01	216.7
2004-10-01	216.1
2005-01-01	213.4
2005-04-01	215.4
2005-07-01	212.9
2005-10-01	209.5
2006-01-01	208.9
2006-04-01	207.0
2006-07-01	209.3
2006-10-01	213.1
2007-01-01	217.3
2007-04-01	215.2
2007-07-01	216.4
2007-10-01	217.4
2008-01-01	220.2
2008-04-01	217.2
2008-07-01	217.0
2008-10-01	224.2
2009-01-01	231.8
2009-04-01	239.8
2009-07-01	249.4
2009-10-01	252.3
2010-01-01	249.7
2010-04-01	251.5
2010-07-01	251.4
2010-10-01	250.7
2011-01-01	248.9
2011-04-01	252.1
2011-07-01	254.6
2011-10-01	253.4
2012-01-01	253.4
2012-04-01	258.5
2012-07-01	260.1
2012-10-01	262.7
2013-01-01	264.2
2013-04-01	264.4
2013-07-01	264.9
2013-10-01	263.9
2014-01-01	263.3
2014-04-01	264.6
2014-07-01	265.5
2014-10-01	266.0
2015-01-01	274.2
2015-04-01	276.7
2015-07-01	280.9
2015-10-01	286.1
2016-01-01	285.8
2016-04-01	291.9
2016-07-01	294.6
2016-10-01	291.0
2017-01-01	291.7
2017-04-01	292.4
2017-07-01	289.2
2017-10-01	289.9
2018-01-01	287.8