Quarter	Percent
1987-06-30	7.7
1987-09-30	7.6
1987-12-31	6
1988-03-31	6.4
1988-06-30	6.4
1988-09-30	8.1
1988-12-31	3.6
1989-03-31	5.9
1989-06-30	6.2
1989-09-30	5.6
1989-12-31	2.9
1990-03-31	2.3
1990-06-30	3.1
1990-09-30	2.5
1990-12-31	0.5
1991-03-31	2.1
1991-06-30	1.3
1991-09-30	1.2
1991-12-31	-0.2
1992-03-31	0.2
1992-06-30	-0.7
1992-09-30	1.6
1992-12-31	-0.2
1993-03-31	0.6
1993-06-30	1
1993-09-30	2.6
1993-12-31	1
1994-03-31	2.2
1994-06-30	2.5
1994-09-30	3.5
1994-12-31	2.3
1995-03-31	3.4
1995-06-30	2.4
1995-09-30	4.2
1995-12-31	3.1
1996-03-31	3.3
1996-06-30	3.4
1996-09-30	5.6
1996-12-31	3
1997-03-31	3.8
1997-06-30	4.1
1997-09-30	2.9
1997-12-31	3.3
1998-03-31	4.6
1998-06-30	3.2
1998-09-30	3.8
1998-12-31	2.3
1999-03-31	3.8
1999-06-30	3.2
1999-09-30	3.4
1999-12-31	2.3
2000-03-31	3.8
2000-06-30	2.4
2000-09-30	2
2000-12-31	1.9
2001-03-31	3.3
2001-06-30	3.5
2001-09-30	3.3
2001-12-31	3.3
2002-03-31	4
2002-06-30	3.3
2002-09-30	3.9
2002-12-31	2.9
2003-03-31	3.3
2003-06-30	2.9
2003-09-30	2.7
2003-12-31	2
2004-03-31	3.6
2004-06-30	3
2004-09-30	2.8
2004-12-31	1.9
2005-03-31	3.4
2005-06-30	2.6
2005-09-30	2.1
2005-12-31	1.2
2006-03-31	2.2
2006-06-30	1.9
2006-09-30	1.8
2006-12-31	1.3
2007-03-31	1.8
2007-06-30	2.1
2007-09-30	1.9
2007-12-31	1.2
2008-03-31	2.2
2008-06-30	1.5
2008-09-30	0.4
2008-12-31	-0.1
2009-03-31	0.1
2009-06-30	0.4
2009-09-30	-1
2009-12-31	-1.1
2010-03-31	0.5