Quarter	Percentage of GDP
1951-04-01	12.2
1951-07-01	11.3
1951-10-01	11.1
1952-01-01	11.2
1952-04-01	11.3
1952-07-01	11.1
1952-10-01	11.0
1953-01-01	11.2
1953-04-01	11.0
1953-07-01	10.3
1953-10-01	10.4
1954-01-01	10.8
1954-04-01	11.0
1954-07-01	11.2
1954-10-01	11.8
1955-01-01	12.4
1955-04-01	12.9
1955-07-01	12.8
1955-10-01	12.9
1956-01-01	13.1
1956-04-01	12.6
1956-07-01	11.7
1956-10-01	11.6
1957-01-01	12.1
1957-04-01	12.5
1957-07-01	12.2
1957-10-01	12.4
1958-01-01	12.8
1958-04-01	12.6
1958-07-01	12.1
1958-10-01	12.2
1959-01-01	12.7
1959-04-01	13.0
1959-07-01	12.8
1959-10-01	13.0
1960-01-01	13.4
1960-04-01	13.4
1960-07-01	12.7
1960-10-01	12.4
1961-01-01	12.6
1961-04-01	12.4
1961-07-01	12.0
1961-10-01	12.2
1962-01-01	12.7
1962-04-01	12.9
1962-07-01	12.5
1962-10-01	12.5
1963-01-01	12.5
1963-04-01	12.5
1963-07-01	12.0
1963-10-01	12.0
1964-01-01	11.9
1964-04-01	11.7
1964-07-01	11.3
1964-10-01	11.3
1965-01-01	11.4
1965-04-01	11.7
1965-07-01	11.6
1965-10-01	11.8
1966-01-01	12.0
1966-04-01	12.1
1966-07-01	11.6
1966-10-01	11.6
1967-01-01	11.6
1967-04-01	11.2
1967-07-01	10.7
1967-10-01	10.9
1968-01-01	11.0
1968-04-01	11.2
1968-07-01	11.1
1968-10-01	11.2
1969-01-01	11.7
1969-04-01	11.9
1969-07-01	11.4
1969-10-01	11.6
1970-01-01	11.9
1970-04-01	12.8
1970-07-01	12.8
1970-10-01	13.3
1971-01-01	13.9
1971-04-01	13.6
1971-07-01	13.6
1971-10-01	14.2
1972-01-01	14.4
1972-04-01	14.7
1972-07-01	14.1
1972-10-01	14.6
1973-01-01	15.2
1973-04-01	14.9
1973-07-01	14.2
1973-10-01	15.0
1974-01-01	15.0
1974-04-01	15.0
1974-07-01	14.3
1974-10-01	14.5
1975-01-01	15.3
1975-04-01	15.4
1975-07-01	15.5
1975-10-01	16.5
1976-01-01	17.7
1976-04-01	17.9
1976-07-01	18.3
1976-10-01	19.8
1977-01-01	19.7
1977-04-01	19.2
1977-07-01	19.0
1977-10-01	19.8
1978-01-01	19.6
1978-04-01	20.1
1978-07-01	20.1
1978-10-01	21.9
1979-01-01	21.8
1979-04-01	22.4
1979-07-01	22.8
1979-10-01	23.6
1980-01-01	23.7
1980-04-01	22.9
1980-07-01	22.1
1980-10-01	23.1
1981-01-01	23.5
1981-04-01	23.2
1981-07-01	22.9
1981-10-01	23.9
1982-01-01	24.0
1982-04-01	23.8
1982-07-01	23.7
1982-10-01	25.6
1983-01-01	25.4
1983-04-01	24.8
1983-07-01	24.5
1983-10-01	25.6
1984-01-01	25.9
1984-04-01	26.0
1984-07-01	25.6
1984-10-01	27.0
1985-01-01	27.2
1985-04-01	26.5
1985-07-01	26.4
1985-10-01	26.8
1986-01-01	28.1
1986-04-01	27.2
1986-07-01	27.0
1986-10-01	27.5
1987-01-01	28.8
1987-04-01	27.5
1987-07-01	27.5
1987-10-01	27.5
1988-01-01	28.3
1988-04-01	27.0
1988-07-01	26.8
1988-10-01	28.4
1989-01-01	28.4
1989-04-01	28.6
1989-07-01	28.0
1989-10-01	28.8
1990-01-01	29.3
1990-04-01	28.8
1990-07-01	27.9
1990-10-01	28.0
1991-01-01	28.6
1991-04-01	27.8
1991-07-01	26.7
1991-10-01	26.7
1992-01-01	27.2
1992-04-01	27.5
1992-07-01	27.1
1992-10-01	27.5
1993-01-01	28.1
1993-04-01	27.3
1993-07-01	26.1
1993-10-01	26.3
1994-01-01	26.2
1994-04-01	25.2
1994-07-01	25.9
1994-10-01	26.0
1995-01-01	27.6
1995-04-01	26.6
1995-07-01	26.7
1995-10-01	26.7
1996-01-01	27.8
1996-04-01	26.4
1996-07-01	25.8
1996-10-01	25.6
1997-01-01	26.5
1997-04-01	25.6
1997-07-01	25.3
1997-10-01	25.9
1998-01-01	27.6
1998-04-01	26.5
1998-07-01	26.3
1998-10-01	25.9
1999-01-01	27.4
1999-04-01	26.4
1999-07-01	26.7
1999-10-01	28.2
2000-01-01	29.0
2000-04-01	29.6
2000-07-01	29.6
2000-10-01	30.7
2001-01-01	31.3
2001-04-01	31.1
2001-07-01	31.2
2001-10-01	31.8
2002-01-01	32.7
2002-04-01	34.6
2002-07-01	34.5
2002-10-01	35.2
2003-01-01	36.1
2003-04-01	35.6
2003-07-01	34.8
2003-10-01	35.3
2004-01-01	36.5
2004-04-01	36.4
2004-07-01	36.7
2004-10-01	38.9
2005-01-01	40.1
2005-04-01	40.5
2005-07-01	42.8
2005-10-01	43.3
2006-01-01	46.6
2006-04-01	45.5
2006-07-01	47.4
2006-10-01	47.6
2007-01-01	50.5
2007-04-01	47.7
2007-07-01	49.4
2007-10-01	49.5
2008-01-01	52.7
2008-04-01	51.1
2008-07-01	52.1
2008-10-01	52.4
2009-01-01	54.3
2009-04-01	53.2
2009-07-01	53.8
2009-10-01	53.0
2010-01-01	55.0
2010-04-01	53.6
2010-07-01	53.1
2010-10-01	55.5
2011-01-01	55.5
2011-04-01	54.1
2011-07-01	53.4
2011-10-01	54.9
2012-01-01	56.6
2012-04-01	56.4
2012-07-01	54.7
2012-10-01	56.1
2013-01-01	56.9
2013-04-01	57.0
2013-07-01	57.0
2013-10-01	56.7
2014-01-01	57.3
2014-04-01	56.6
2014-07-01	55.2
2014-10-01	55.7
2015-01-01	56.4
2015-04-01	55.8
2015-07-01	55.1
2015-10-01	56.2
2016-01-01	56.5
2016-04-01	55.1
2016-07-01	55.6
2016-10-01	53.1
2017-01-01	55.1
2017-04-01	52.7
2017-07-01	53.7
2017-10-01	52.9
2018-01-01	54.9