Quarter	Percent, Seasonally adjusted
1963-12-31	16.5
1964-03-31	15.4
1964-06-30	14.9
1964-09-30	15.5
1964-12-31	14.3
1965-03-31	12
1965-06-30	9.4
1965-09-30	7.4
1965-12-31	10.3
1966-03-31	14
1966-06-30	14.8
1966-09-30	14.1
1966-12-31	11.1
1967-03-31	10.5
1967-06-30	13.3
1967-09-30	16
1967-12-31	17.5
1968-03-31	18
1968-06-30	15.8
1968-09-30	12.9
1968-12-31	11.5
1969-03-31	11.2
1969-06-30	10.6
1969-09-30	10
1969-12-31	10.4
1970-03-31	11.1
1970-06-30	12.4
1970-09-30	13.9
1970-12-31	15.2
1971-03-31	15.4
1971-06-30	16.3
1971-09-30	18.6
1971-12-31	20.1
1972-03-31	21.5
1972-06-30	23.4
1972-09-30	24.7
1972-12-31	23.5
1973-03-31	23.6
1973-06-30	21.1
1973-09-30	16.4
1973-12-31	13.4
1974-03-31	11.1
1974-06-30	8.7
1974-09-30	8.1
1974-12-31	11.3
1975-03-31	13.7
1975-06-30	15.1
1975-09-30	16.2
1975-12-31	17.4
1976-03-31	18.7
1976-06-30	19.5
1976-09-30	19.2
1976-12-31	17.2
1977-03-31	15.5
1977-06-30	15.4
1977-09-30	17.4
1977-12-31	20
1978-03-31	21.1
1978-06-30	20.8
1978-09-30	18.9
1978-12-31	17.5
1979-03-31	17.8
1979-06-30	18
1979-09-30	17.9
1979-12-31	17
1980-03-31	15.7
1980-06-30	14.8
1980-09-30	14.9
1980-12-31	16.8
1981-03-31	18.6
1981-06-30	19.2
1981-09-30	19
1981-12-31	18.5
1982-03-31	19.4
1982-06-30	22.3
1982-09-30	24.5
1982-12-31	26
1983-03-31	26.3
1983-06-30	23.6
1983-09-30	20.4
1983-12-31	18.9
1984-03-31	19.3
1984-06-30	20.8
1984-09-30	20.7
1984-12-31	19.2
1985-03-31	18.1
1985-06-30	17.5
1985-09-30	17.9
1985-12-31	19.5
1986-03-31	19.4
1986-06-30	19.4
1986-09-30	21.5
1986-12-31	21.4
1987-03-31	19.5
1987-06-30	17.9
1987-09-30	17.4
1987-12-31	18.4
1988-03-31	19.9
1988-06-30	21.6
1988-09-30	22.9
1988-12-31	20.3
1989-03-31	16.9
1989-06-30	15.5
1989-09-30	14.4
1989-12-31	15.6
1990-03-31	16.9
1990-06-30	15.4
1990-09-30	12.6
1990-12-31	11.2
1991-03-31	10.7
1991-06-30	10.1
1991-09-30	9.9
1991-12-31	9.4
1992-03-31	8.7
1992-06-30	8
1992-09-30	7.8
1992-12-31	6.5
1993-03-31	5.1
1993-06-30	5.7
1993-09-30	6.3
1993-12-31	6.4
1994-03-31	6.5
1994-06-30	6.4
1994-09-30	6.3
1994-12-31	6.1
1995-03-31	5.6
1995-06-30	5.1
1995-09-30	4.6
1995-12-31	4.4
1996-03-31	4.7
1996-06-30	5.3
1996-09-30	5.4
1996-12-31	5.9
1997-03-31	6.3
1997-06-30	6.2
1997-09-30	5.7
1997-12-31	5.4
1998-03-31	5.4
1998-06-30	5.5
1998-09-30	5.7
1998-12-31	5.6
1999-03-31	6.1
1999-06-30	7.1
1999-09-30	7.9
1999-12-31	8.4
2000-03-31	8.4
2000-06-30	8.2
2000-09-30	7.3
2000-12-31	7.1
2001-03-31	8
2001-06-30	8.7
2001-09-30	9.6
2001-12-31	10
2002-03-31	10.5
2002-06-30	12.2
2002-09-30	13.1
2002-12-31	13.5
2003-03-31	13.6
2003-06-30	13
2003-09-30	13.7
2003-12-31	14.6
2004-03-31	14.4
2004-06-30	13.4
2004-09-30	12.2
2004-12-31	10.6
2005-03-31	9.7
2005-06-30	9.5
2005-09-30	9.4
2005-12-31	9.6
2006-03-31	9.8
2006-06-30	10.5
2006-09-30	11.3
2006-12-31	11.4
2007-03-31	10.6
2007-06-30	9.9
2007-09-30	9.8
2007-12-31	8.6
2008-03-31	8.1
2008-06-30	7.5
2008-09-30	5.1
2008-12-31	4
2009-03-31	3.2
2009-06-30	2.3
2009-09-30	2
2009-12-31	2.4
2010-03-31	2.2
2010-06-30	1.6
2010-09-30	1.5
2010-12-31	1.2
2011-03-31	1
2011-06-30	1.1
2011-09-30	1.1
2011-12-31	1.1
2012-03-31	1.3
2012-06-30	1.3
2012-09-30	0.9
2012-12-31	0.8
2013-03-31	0.7
2013-06-30	0.8
2013-09-30	1.2
2013-12-31	1.7
2014-03-31	2.3
2014-06-30	2.7
2014-09-30	2.5
2014-12-31	2.1
2015-03-31	1.9
2015-06-30	2.3
2015-09-30	3.2
2015-12-31	3.9
2016-03-31	4.5
2016-06-30	3.7
2016-09-30	2.9
2016-12-31	3.6
2017-03-31	3.9
2017-06-30	4
2017-09-30	3.8
2017-12-31	3.6
2018-03-31	3.4
2018-06-30	3.5
2018-09-30	3.4
2018-12-31	3.2
2019-03-31	3.1
2019-06-30	3
2019-09-30	3.4
2019-12-31	3.7
2020-03-31	3.6
2020-06-30	2
2020-09-30	1.6
2020-12-31	4
2021-03-31	5.9
2021-06-30	6.7
2021-09-30	4.8
2021-12-31	2.6
2022-03-31	3.7
2022-06-30	4.6
2022-09-30	4.2
2022-12-31	3.5
2023-03-31	1.9
2023-06-30	0.3
2023-09-30	-0.2
2023-12-31	-0.1