Quarter	Net Percent, Seasonally Adjusted
1990-01-01	6.1
1990-04-01	9.5
1990-07-01	6.1
1990-10-01	2.6
1991-01-01	-0.5
1991-04-01	-3.6
1991-07-01	-6.2
1991-10-01	-2.4
1992-01-01	7.1
1992-04-01	3.4
1992-07-01	-9.9
1992-10-01	-1.5
1993-01-01	-4.2
1993-04-01	0.7
1993-07-01	11
1993-10-01	17.4
1994-01-01	18
1994-04-01	14.9
1994-07-01	15.8
1994-10-01	16
1995-01-01	15.3
1995-04-01	17.9
1995-07-01	14.9
1995-10-01	10.7
1996-01-01	12.6
1996-04-01	16.7
1996-07-01	20.2
1996-10-01	20.6
1997-01-01	17.4
1997-04-01	18.4
1997-07-01	21
1997-10-01	23.5
1998-01-01	10.8
1998-04-01	0.2
1998-07-01	-4
1998-10-01	-11.6
1999-01-01	-5.1
1999-04-01	0.3
1999-07-01	2.0
1999-10-01	5.2
2000-01-01	12
2000-04-01	16.4
2000-07-01	17.8
2000-10-01	17.1
2001-01-01	13.1
2001-04-01	10.7
2001-07-01	5.3
2001-10-01	10
2002-01-01	7.6
2002-04-01	-3.7
2002-07-01	-10.5
2002-10-01	-9.4
2003-01-01	-5.7
2003-04-01	3.5
2003-07-01	10.3
2003-10-01	11.1
2004-01-01	15.5
2004-04-01	15.8
2004-07-01	16.9
2004-10-01	15.8
2005-01-01	19.6
2005-04-01	15.9
2005-07-01	19.8
2005-10-01	27.4
2006-01-01	17.8
2006-04-01	20.7
2006-07-01	21
2006-10-01	29.2
2007-01-01	20.7
2007-04-01	19.6
2007-07-01	17
2007-10-01	16.4
2008-01-01	15.1
2008-04-01	5.1
2008-07-01	-2.6
2008-10-01	-22.1
2009-01-01	-24.5
2009-04-01	-4.7
2009-07-01	-4.9
2009-10-01	1.2
2010-01-01	7.0
2010-04-01	11.7
2010-07-01	17.1
2010-10-01	22.2
2011-01-01	20.0
2011-04-01	16.1
2011-07-01	10.7
2011-10-01	12.2
2012-01-01	13.3
2012-04-01	12.1
2012-07-01	12.0
2012-10-01	8.6
2013-01-01	11.6
2013-04-01	10.1
2013-07-01	8.8
2013-10-01	9.8
2014-01-01	7.5
2014-04-01	7.2
2014-07-01	4.1
2014-10-01	-3.5
2015-01-01	-9.2
2015-04-01	-14.1
2015-07-01	-13.2
2015-10-01	-11.0
2016-01-01	-6.7
2016-04-01	1.0
2016-07-01	6.0
2016-10-01	7.5
2017-01-01	5.0
2017-04-01	11.1
2017-07-01	11.9
2017-10-01	18.7
2018-01-01	19.1
2018-04-01	18.2
2018-07-01	17.0