Quarter	Percent, Seasonally adjusted
1977-06-30	25.1
1977-09-30	123.7
1977-12-31	11.6
1978-03-31	44.6
1978-06-30	-2.1
1978-09-30	18.6
1978-12-31	29.4
1979-03-31	8.5
1979-06-30	5.7
1979-09-30	0.5
1979-12-31	31.9
1980-03-31	0
1980-06-30	28.9
1980-09-30	-16.3
1980-12-31	0.2
1981-03-31	12.5
1981-06-30	5.4
1981-09-30	37
1981-12-31	-27.6
1982-03-31	24.1
1982-06-30	29.1
1982-09-30	6.1
1982-12-31	20.1
1983-03-31	15.8
1983-06-30	16.6
1983-09-30	4.6
1983-12-31	33.9
1984-03-31	48.9
1984-06-30	13
1984-09-30	14.3
1984-12-31	12.4
1985-03-31	-23.7
1985-06-30	-22.7
1985-09-30	18.1
1985-12-31	0.8
1986-03-31	-13.4
1986-06-30	11.3
1986-09-30	20.4
1986-12-31	-28.5
1987-03-31	67.5
1987-06-30	-5.6
1987-09-30	3.2
1987-12-31	-16.2
1988-03-31	50.3
1988-06-30	37.4
1988-09-30	20.4
1988-12-31	41.1
1989-03-31	43.7
1989-06-30	31.6
1989-09-30	44.5
1989-12-31	43
1990-03-31	31.7
1990-06-30	50.6
1990-09-30	-5.9
1990-12-31	23.2
1991-03-31	2.7
1991-06-30	2.3
1991-09-30	3.7
1991-12-31	13.8
1992-03-31	20.3
1992-06-30	11.1
1992-09-30	28
1992-12-31	-16.1
1993-03-31	-23.5
1993-06-30	15.3
1993-09-30	-9.6
1993-12-31	4.8
1994-03-31	8.2
1994-06-30	15.4
1994-09-30	-9.6
1994-12-31	-1.5
1995-03-31	65.5
1995-06-30	-6.5
1995-09-30	23.1
1995-12-31	34.8
1996-03-31	11.5
1996-06-30	-16.2
1996-09-30	38.7
1996-12-31	11.6
1997-03-31	22.2
1997-06-30	176.9
1997-09-30	14.5
1997-12-31	45.1
1998-03-31	-7.5
1998-06-30	-34.2
1998-09-30	10.9
1998-12-31	22
1999-03-31	0.3
1999-06-30	-15.6
1999-09-30	44.9
1999-12-31	-11.6
2000-03-31	58.8
2000-06-30	18.7
2000-09-30	15.7
2000-12-31	36
2001-03-31	8.6
2001-06-30	20.3
2001-09-30	4
2001-12-31	-11.6
2002-03-31	0.4
2002-06-30	9.5
2002-09-30	-4.3
2002-12-31	-2
2003-03-31	-1.7
2003-06-30	20.2
2003-09-30	19.8
2003-12-31	19.2
2004-03-31	6.7
2004-06-30	42.1
2004-09-30	-17.3
2004-12-31	-1.7
2005-03-31	36.2
2005-06-30	39.3
2005-09-30	16.1
2005-12-31	57.9
2006-03-31	-6.2
2006-06-30	-35.7
2006-09-30	18.1
2006-12-31	142.5
2007-03-31	-29.5
2007-06-30	58.4
2007-09-30	8.3
2007-12-31	-32.1
2008-03-31	-0.3
2008-06-30	-16.4
2008-09-30	101.7
2008-12-31	-5.6
2009-03-31	69.5
2009-06-30	-34
2009-09-30	34
2009-12-31	95.7
2010-03-31	15.7
2010-06-30	14.3
2010-09-30	-17.4
2010-12-31	8.4
2011-03-31	-12.5
2011-06-30	-7.1
2011-09-30	6.4
2011-12-31	-20.6
2012-03-31	-2.5
2012-06-30	1
2012-09-30	13.7
2012-12-31	35.8
2013-03-31	18.7
2013-06-30	-20.3
2013-09-30	27.9
2013-12-31	12.9