Quarter	Net Percent, Seasonally Adjusted
1985-01-01	-5.3
1985-04-01	-3.2
1985-07-01	2.6
1985-10-01	10.4
1986-01-01	1.2
1986-04-01	-4.0
1986-07-01	8.9
1986-10-01	6.3
1987-01-01	1.7
1987-04-01	4.4
1987-07-01	6.6
1987-10-01	8.7
1988-01-01	5.6
1988-04-01	11.8
1988-07-01	15.9
1988-10-01	16.0
1989-01-01	15.3
1989-04-01	15.2
1989-07-01	13.8
1989-10-01	9.0
1990-01-01	7.6
1990-04-01	10.5
1990-07-01	3.5
1990-10-01	5.8
1991-01-01	1.7
1991-04-01	-15.5
1991-07-01	-2.2
1991-10-01	-15.9
1992-01-01	0.9
1992-04-01	-10.8
1992-07-01	-10.7
1992-10-01	-27.6
1993-01-01	-13.5
1993-04-01	-21.8
1993-07-01	-14.1
1993-10-01	-15.3
1994-01-01	3.4
1994-04-01	6.9
1994-07-01	14.7
1994-10-01	16.9
1995-01-01	17.2
1995-04-01	6.9
1995-07-01	1.6
1995-10-01	-2.4
1996-01-01	-10.3
1996-04-01	-12.0
1996-07-01	-7.4
1996-10-01	-4.6
1997-01-01	-3.1
1997-04-01	1.2
1997-07-01	10.6
1997-10-01	10.4
1998-01-01	12.6
1998-04-01	8.8
1998-07-01	5.3
1998-10-01	-2.1
1999-01-01	-1.5
1999-04-01	-1.1
1999-07-01	4.2
1999-10-01	8.8
2000-01-01	15.5
2000-04-01	16.0
2000-07-01	12.8
2000-10-01	10.2
2001-01-01	4.9
2001-04-01	-1.5
2001-07-01	-10.9
2001-10-01	-13.7
2002-01-01	-11.8
2002-04-01	-4.6
2002-07-01	-3.4
2002-10-01	-7.8
2003-01-01	-1.5
2003-04-01	-9.4
2003-07-01	-7.5
2003-10-01	-0.4
2004-01-01	3.5
2004-04-01	6.2
2004-07-01	7.3
2004-10-01	5.3
2005-01-01	2.7
2005-04-01	-3.2
2005-07-01	1.0
2005-10-01	3.4
2006-01-01	8.1
2006-04-01	17.5
2006-07-01	14.7
2006-10-01	15.8
2007-01-01	13.6
2007-04-01	16.7
2007-07-01	12.3
2007-10-01	8.3
2008-01-01	7.9
2008-04-01	-0.1
2008-07-01	-11.7
2008-10-01	-30.0
2009-01-01	-43.7
2009-04-01	-39.4
2009-07-01	-19.6
2009-10-01	-7.0
2010-01-01	7.6
2010-04-01	13.7
2010-07-01	16.7
2010-10-01	17.6
2011-01-01	22.0
2011-04-01	15.9
2011-07-01	1.0
2011-10-01	-4.1
2012-01-01	-5.9
2012-04-01	-11.0
2012-07-01	-16.8
2012-10-01	-12.5
2013-01-01	-11.7
2013-04-01	-10.6
2013-07-01	-3.8
2013-10-01	3.1
2014-01-01	5.6
2014-04-01	3.6
2014-07-01	-0.7
2014-10-01	0.6
2015-01-01	0.8
2015-04-01	2.9
2015-07-01	3.1
2015-10-01	3.4
2016-01-01	1.3
2016-04-01	4.7
2016-07-01	5.4
2016-10-01	8.4
2017-01-01	10.4
2017-04-01	14.1
2017-07-01	15.7
2017-10-01	17.6
2018-01-01	16.5
2018-04-01	14.6
2018-07-01	11.1
2018-10-01	1.1