Quarter	Percentage of GDP
1988-04-01	145.4
1988-07-01	144.9
1988-10-01	142.2
1989-01-01	142.0
1989-04-01	143.2
1989-07-01	140.4
1989-10-01	140.4
1990-01-01	142.8
1990-04-01	140.9
1990-07-01	140.0
1990-10-01	141.9
1991-01-01	144.2
1991-04-01	144.4
1991-07-01	144.6
1991-10-01	146.7
1992-01-01	145.6
1992-04-01	146.2
1992-07-01	148.3
1992-10-01	148.1
1993-01-01	147.7
1993-04-01	146.7
1993-07-01	148.1
1993-10-01	148.1
1994-01-01	146.1
1994-04-01	145.5
1994-07-01	145.5
1994-10-01	146.3
1995-01-01	146.6
1995-04-01	148.0
1995-07-01	147.3
1995-10-01	148.7
1996-01-01	147.9
1996-04-01	147.2
1996-07-01	146.4
1996-10-01	148.2
1997-01-01	147.0
1997-04-01	148.0
1997-07-01	148.4
1997-10-01	149.5
1998-01-01	149.5
1998-04-01	150.6
1998-07-01	151.8
1998-10-01	151.8
1999-01-01	151.8
1999-04-01	149.7
1999-07-01	151.0
1999-10-01	151.6
2000-01-01	152.7
2000-04-01	154.4
2000-07-01	153.9
2000-10-01	156.9
2001-01-01	159.1
2001-04-01	157.0
2001-07-01	158.4
2001-10-01	156.8
2002-01-01	156.1
2002-04-01	158.7
2002-07-01	161.2
2002-10-01	160.8
2003-01-01	159.5
2003-04-01	162.1
2003-07-01	162.1
2003-10-01	164.4
2004-01-01	165.0
2004-04-01	167.1
2004-07-01	167.9
2004-10-01	170.4
2005-01-01	171.4
2005-04-01	175.6
2005-07-01	177.9
2005-10-01	180.6
2006-01-01	181.2
2006-04-01	184.2
2006-07-01	187.4
2006-10-01	188.5
2007-01-01	188.9
2007-04-01	191.5
2007-07-01	195.6
2007-10-01	196.9
2008-01-01	198.0
2008-04-01	198.4
2008-07-01	198.2
2008-10-01	199.0
2009-01-01	197.6
2009-04-01	197.9
2009-07-01	200.2
2009-10-01	202.3
2010-01-01	203.7
2010-04-01	203.9
2010-07-01	201.8
2010-10-01	198.7
2011-01-01	198.5
2011-04-01	197.6
2011-07-01	200.1
2011-10-01	200.4
2012-01-01	201.1
2012-04-01	203.5
2012-07-01	205.6
2012-10-01	206.7
2013-01-01	207.3
2013-04-01	209.8
2013-07-01	211.9
2013-10-01	214.8
2014-01-01	215.0
2014-04-01	217.8
2014-07-01	221.4
2014-10-01	225.7
2015-01-01	231.9
2015-04-01	233.5
2015-07-01	238.6
2015-10-01	238.9
2016-01-01	242.2
2016-04-01	243.7
2016-07-01	244.3
2016-10-01	241.7
2017-01-01	238.7
2017-04-01	238.9
2017-07-01	236.2
2017-10-01	237.3
2018-01-01	237.9