Quarter	Percentage of GDP
1960-10-01	8.2
1961-01-01	8.4
1961-04-01	8.6
1961-07-01	8.8
1961-10-01	8.8
1962-01-01	8.8
1962-04-01	8.8
1962-07-01	9.0
1962-10-01	9.6
1963-01-01	10.6
1963-04-01	11.8
1963-07-01	12.8
1963-10-01	13.5
1964-01-01	13.7
1964-04-01	13.6
1964-07-01	13.5
1964-10-01	13.4
1965-01-01	13.5
1965-04-01	13.6
1965-07-01	13.7
1965-10-01	13.8
1966-01-01	14.0
1966-04-01	14.1
1966-07-01	14.3
1966-10-01	14.4
1967-01-01	14.6
1967-04-01	14.7
1967-07-01	14.9
1967-10-01	15.1
1968-01-01	15.4
1968-04-01	15.8
1968-07-01	16.0
1968-10-01	16.2
1969-01-01	16.3
1969-04-01	16.3
1969-07-01	16.3
1969-10-01	16.4
1970-01-01	16.5
1970-04-01	16.6
1970-07-01	16.7
1970-10-01	16.7
1971-01-01	17.0
1971-04-01	17.3
1971-07-01	17.7
1971-10-01	18.0
1972-01-01	18.0
1972-04-01	18.2
1972-07-01	18.7
1972-10-01	19.6
1973-01-01	20.8
1973-04-01	21.9
1973-07-01	22.4
1973-10-01	22.3
1974-01-01	21.4
1974-04-01	20.1
1974-07-01	18.9
1974-10-01	18.2
1975-01-01	18.2
1975-04-01	18.7
1975-07-01	19.3
1975-10-01	19.6
1976-01-01	19.2
1976-04-01	18.0
1976-07-01	17.4
1976-10-01	17.0
1977-01-01	16.6
1977-04-01	16.0
1977-07-01	15.7
1977-10-01	15.7
1978-01-01	14.9
1978-04-01	14.3
1978-07-01	14.5
1978-10-01	15.2
1979-01-01	14.7
1979-04-01	14.3
1979-07-01	14.1
1979-10-01	14.7
1980-01-01	14.2
1980-04-01	14.3
1980-07-01	13.7
1980-10-01	14.9
1981-01-01	14.4
1981-04-01	13.9
1981-07-01	13.3
1981-10-01	13.6
1982-01-01	12.9
1982-04-01	12.6
1982-07-01	12.5
1982-10-01	13.2
1983-01-01	12.8
1983-04-01	12.5
1983-07-01	12.3
1983-10-01	13.1
1984-01-01	12.7
1984-04-01	12.7
1984-07-01	12.7
1984-10-01	13.3
1985-01-01	13.5
1985-04-01	13.6
1985-07-01	13.6
1985-10-01	15.0
1986-01-01	14.4
1986-04-01	14.8
1986-07-01	15.1
1986-10-01	16.7
1987-01-01	16.5
1987-04-01	16.9
1987-07-01	16.4
1987-10-01	17.7
1988-01-01	17.3
1988-04-01	18.0
1988-07-01	18.0
1988-10-01	19.3
1989-01-01	18.3
1989-04-01	18.1
1989-07-01	16.9
1989-10-01	17.6
1990-01-01	16.9
1990-04-01	17.1
1990-07-01	16.4
1990-10-01	18.2
1991-01-01	17.3
1991-04-01	18.0
1991-07-01	17.7
1991-10-01	19.0
1992-01-01	18.5
1992-04-01	18.7
1992-07-01	18.6
1992-10-01	19.4
1993-01-01	19.2
1993-04-01	19.2
1993-07-01	18.7
1993-10-01	19.3
1994-01-01	18.4
1994-04-01	18.5
1994-07-01	18.0
1994-10-01	18.8
1995-01-01	17.5
1995-04-01	17.8
1995-07-01	17.4
1995-10-01	17.4
1996-01-01	17.3
1996-04-01	17.3
1996-07-01	17.1
1996-10-01	17.6
1997-01-01	17.6
1997-04-01	17.9
1997-07-01	17.7
1997-10-01	17.9
1998-01-01	17.8
1998-04-01	18.5
1998-07-01	18.3
1998-10-01	18.8
1999-01-01	19.4
1999-04-01	20.0
1999-07-01	20.4
1999-10-01	21.1
2000-01-01	21.6
2000-04-01	21.8
2000-07-01	21.8
2000-10-01	22.7
2001-01-01	22.8
2001-04-01	23.4
2001-07-01	23.6
2001-10-01	24.0
2002-01-01	24.4
2002-04-01	25.0
2002-07-01	25.2
2002-10-01	25.7
2003-01-01	25.9
2003-04-01	26.5
2003-07-01	26.7
2003-10-01	27.4
2004-01-01	27.8
2004-04-01	28.6
2004-07-01	29.1
2004-10-01	29.9
2005-01-01	30.5
2005-04-01	31.5
2005-07-01	32.0
2005-10-01	33.0
2006-01-01	33.6
2006-04-01	34.4
2006-07-01	34.8
2006-10-01	35.7
2007-01-01	36.3
2007-04-01	37.2
2007-07-01	37.6
2007-10-01	38.2
2008-01-01	38.3
2008-04-01	38.7
2008-07-01	38.8
2008-10-01	39.1
2009-01-01	39.9
2009-04-01	41.3
2009-07-01	41.8
2009-10-01	42.5
2010-01-01	43.0
2010-04-01	43.4
2010-07-01	43.6
2010-10-01	43.7
2011-01-01	43.7
2011-04-01	43.9
2011-07-01	43.9
2011-10-01	43.8
2012-01-01	43.6
2012-04-01	43.7
2012-07-01	43.8
2012-10-01	44.0
2013-01-01	43.9
2013-04-01	43.9
2013-07-01	43.6
2013-10-01	43.5
2014-01-01	43.1
2014-04-01	43.1
2014-07-01	42.8
2014-10-01	42.7
2015-01-01	42.5
2015-04-01	42.3
2015-07-01	42.1
2015-10-01	41.9
2016-01-01	41.7
2016-04-01	41.6
2016-07-01	41.5
2016-10-01	41.5
2017-01-01	41.5
2017-04-01	41.3
2017-07-01	41.1
2017-10-01	41.3
2018-01-01	41.0