Quarter	Percent
1998-06-30	3.3
1998-09-30	-0.7
1998-12-31	0.3
1999-03-31	0.7
1999-06-30	12.6
1999-09-30	-2.8
1999-12-31	0.1
2000-03-31	86.8
2000-06-30	26.4
2000-09-30	-28.2
2000-12-31	154.7
2001-03-31	-50.8
2001-06-30	-26.5
2001-09-30	-2.8
2001-12-31	13.7
2002-03-31	-25.3
2002-06-30	32.9
2002-09-30	-3.9
2002-12-31	38.3
2003-03-31	-21
2003-06-30	16.2
2003-09-30	-4.6
2003-12-31	19.1
2004-03-31	1
2004-06-30	-1.9
2004-09-30	51.1
2004-12-31	44.7
2005-03-31	-51.3
2005-06-30	149.1
2005-09-30	13.2
2005-12-31	26.2
2006-03-31	-36.9
2006-06-30	32.7
2006-09-30	47.6
2006-12-31	42
2007-03-31	1.1
2007-06-30	-19.2
2007-09-30	9.5
2007-12-31	125.7
2008-03-31	18.9
2008-06-30	-10.9
2008-09-30	115.5
2008-12-31	11.9
2009-03-31	-4
2009-06-30	9.1
2009-09-30	-31.6
2009-12-31	-3
2010-03-31	-13
2010-06-30	-2.4
2010-09-30	6.4
2010-12-31	-6.6
2011-03-31	1.2
2011-06-30	-1.4
2011-09-30	5.3
2011-12-31	3.9
2012-03-31	-11.2
2012-06-30	4.3
2012-09-30	7.6
2012-12-31	0.9