Quarter	Percent
1986-03-31	3
1986-06-30	5.3
1986-09-30	5.3
1986-12-31	1.4
1987-03-31	4.3
1987-06-30	6.9
1987-09-30	5.9
1987-12-31	4.1
1988-03-31	6.1
1988-06-30	6.5
1988-09-30	7
1988-12-31	2.3
1989-03-31	5.8
1989-06-30	5.8
1989-09-30	4.5
1989-12-31	2
1990-03-31	1.6
1990-06-30	2.9
1990-09-30	1.9
1990-12-31	0.2
1991-03-31	1.7
1991-06-30	1.4
1991-09-30	1.9
1991-12-31	-0.2
1992-03-31	0.5
1992-06-30	-0.2
1992-09-30	2.4
1992-12-31	-1
1993-03-31	0.2
1993-06-30	0.4
1993-09-30	1.6
1993-12-31	-1.7
1994-03-31	1.6
1994-06-30	2.3
1994-09-30	3
1994-12-31	0.3
1995-03-31	3.2
1995-06-30	2.3
1995-09-30	3.9
1995-12-31	1.7
1996-03-31	3.6
1996-06-30	3.3
1996-09-30	5.8
1996-12-31	1.6
1997-03-31	4.2
1997-06-30	5
1997-09-30	3.1
1997-12-31	1.9
1998-03-31	5
1998-06-30	3.9
1998-09-30	4.6
1998-12-31	2.3
1999-03-31	4.3
1999-06-30	3.2
1999-09-30	4
1999-12-31	1.9
2000-03-31	4.9
2000-06-30	2.8
2000-09-30	3.3
2000-12-31	2.7
2001-03-31	4.2
2001-06-30	4
2001-09-30	4.3
2001-12-31	3.4
2002-03-31	4.8
2002-06-30	3.5
2002-09-30	4.9
2002-12-31	2.7
2003-03-31	3.1
2003-06-30	2.7
2003-09-30	3.3
2003-12-31	2.2
2004-03-31	4
2004-06-30	2.9
2004-09-30	3.4
2004-12-31	2.2
2005-03-31	3.1
2005-06-30	2.5
2005-09-30	2.4
2005-12-31	1.9
2006-03-31	2.3
2006-06-30	1.6
2006-09-30	1.6
2006-12-31	0.7
2007-03-31	0.5
2007-06-30	1
2007-09-30	1.6
2007-12-31	0.4
2008-03-31	1.3
2008-06-30	0.1
2008-09-30	-0.1
2008-12-31	-0.6
2009-03-31	-1.4
2009-06-30	-1.8
2009-09-30	-1.2
2009-12-31	0.8
2010-03-31	-1.1
2010-06-30	-1.2
2010-09-30	-1.2
2010-12-31	-0.1
2011-03-31	-0.6
2011-06-30	-0.5
2011-09-30	-0.8
2011-12-31	-1.4
2012-03-31	-1.2
2012-06-30	-1.1
2012-09-30	-0.3
2012-12-31	-0.1
2013-03-31	0.6
2013-06-30	0.1
2013-09-30	2.6
2013-12-31	-0.1
2014-03-31	1.7
2014-06-30	1.6
2014-09-30	2.5
2014-12-31	0.7
2015-03-31	2.5