Quarter	Net Percent, Seasonally Adjusted
1988-01-01	0.6
1988-04-01	11.1
1988-07-01	37.1
1988-10-01	25.9
1989-01-01	21.3
1989-04-01	15.3
1989-07-01	29.4
1989-10-01	23.1
1990-01-01	24.9
1990-04-01	11.1
1990-07-01	8.7
1990-10-01	8.6
1991-01-01	30.2
1991-04-01	4.9
1991-07-01	11.5
1991-10-01	-6.2
1992-01-01	3.7
1992-04-01	19.2
1992-07-01	14.9
1992-10-01	-22.4
1993-01-01	-7.7
1993-04-01	7.6
1993-07-01	-13.7
1993-10-01	-6.5
1994-01-01	15.4
1994-04-01	18.4
1994-07-01	-1.6
1994-10-01	15.8
1995-01-01	12.4
1995-04-01	13.5
1995-07-01	17.4
1995-10-01	7.1
1996-01-01	26.8
1996-04-01	16.7
1996-07-01	8.6
1996-10-01	16.3
1997-01-01	1.3
1997-04-01	15.3
1997-07-01	4.8
1997-10-01	21.6
1998-01-01	7.2
1998-04-01	9.2
1998-07-01	14.5
1998-10-01	-0.6
1999-01-01	-0.2
1999-04-01	-5.4
1999-07-01	0.4
1999-10-01	6.5
2000-01-01	8.0
2000-04-01	17.3
2000-07-01	23.6
2000-10-01	15.8
2001-01-01	11.8
2001-04-01	6.7
2001-07-01	-8.2
2001-10-01	-10.2
2002-01-01	-19.8
2002-04-01	-13.0
2002-07-01	-9.9
2002-10-01	-5.4
2003-01-01	-7.2
2003-04-01	-12.0
2003-07-01	-5.3
2003-10-01	-11.1
2004-01-01	0.3
2004-04-01	4.6
2004-07-01	-5.3
2004-10-01	-11.9
2005-01-01	-13.7
2005-04-01	-21.2
2005-07-01	-9.3
2005-10-01	-2.2
2006-01-01	2.3
2006-04-01	9.1
2006-07-01	0.4
2006-10-01	8.6
2007-01-01	8.7
2007-04-01	11.2
2007-07-01	7.8
2007-10-01	-7.6
2008-01-01	-4.2
2008-04-01	-4.2
2008-07-01	-8.2
2008-10-01	-17.5
2009-01-01	-54.7
2009-04-01	-59.3
2009-07-01	-34.8
2009-10-01	-16.7
2010-01-01	-11.9
2010-04-01	-2.8
2010-07-01	-3.1
2010-10-01	7.3
2011-01-01	11
2011-04-01	16.9
2011-07-01	20.7
2011-10-01	-18.2
2012-01-01	-15.1
2012-04-01	0.2
2012-07-01	-16.5
2012-10-01	-22.0
2013-01-01	-11.6
2013-04-01	-16.1
2013-07-01	-19.6
2013-10-01	-1.1
2014-01-01	8.5
2014-04-01	7.4
2014-07-01	-2.2
2014-10-01	11.7
2015-01-01	7.2
2015-04-01	9.1
2015-07-01	8.7
2015-10-01	11.6
2016-01-01	9.6
2016-04-01	-1.6
2016-07-01	2.8
2016-10-01	-3.6
2017-01-01	4.7
2017-04-01	7.8
2017-07-01	22.1
2017-10-01	17.7
2018-01-01	12.9
2018-04-01	15.9
2018-07-01	26.1
2018-10-01	18.3