Quarter	Percent
1998-06-30	-3.4
1998-09-30	4.2
1998-12-31	10.5
1999-03-31	7.4
1999-06-30	15.3
1999-09-30	-2.9
1999-12-31	2.5
2000-03-31	18.6
2000-06-30	20.3
2000-09-30	1.4
2000-12-31	1.5
2001-03-31	15.8
2001-06-30	16.3
2001-09-30	7.5
2001-12-31	-0.9
2002-03-31	8.6
2002-06-30	3.1
2002-09-30	6.3
2002-12-31	19.2
2003-03-31	1.8
2003-06-30	12.2
2003-09-30	-8.4
2003-12-31	0.8
2004-03-31	-13
2004-06-30	1
2004-09-30	22
2004-12-31	0.5
2005-03-31	14.9
2005-06-30	14.5
2005-09-30	9.5
2005-12-31	8.4
2006-03-31	22.5
2006-06-30	12.5
2006-09-30	20.5
2006-12-31	6.3
2007-03-31	6.7
2007-06-30	16.8
2007-09-30	31.4
2007-12-31	12.9
2008-03-31	12.2
2008-06-30	3.4
2008-09-30	1.7
2008-12-31	-6.2
2009-03-31	1.3
2009-06-30	-16.6
2009-09-30	-11.8
2009-12-31	-10.3
2010-03-31	-9.3
2010-06-30	-4.5
2010-09-30	-9
2010-12-31	-9.9
2011-03-31	-1.5
2011-06-30	-11.2
2011-09-30	4.1
2011-12-31	-5.1
2012-03-31	-5.3
2012-06-30	-10.1
2012-09-30	1.4
2012-12-31	-14.4