Month	Percent
2009-07-31	-1.1
2009-08-31	-0.3
2009-09-30	-1.7
2009-10-31	-0.5
2009-11-30	-0.1
2009-12-31	-2.1
2010-01-31	-1.2
2010-02-28	1
2010-03-31	-2.1
2010-04-30	0.2
2010-05-31	-0.3
2010-06-30	-1
2010-07-31	-0.7
2010-08-31	-1
2010-09-30	-0.7
2010-10-31	-0.9
2010-11-30	-0.7
2010-12-31	-0.9
2011-01-31	0.8
2011-02-28	-0.1
2011-03-31	-1
2011-04-30	0
2011-05-31	-1.5
2011-06-30	-1.5
2011-07-31	0.8
2011-08-31	-0.2
2011-09-30	0.4
2011-10-31	0.3
2011-11-30	0
2011-12-31	-1.6
2012-01-31	0
2012-02-29	-1
2012-03-31	-0.4
2012-04-30	-1.4
2012-05-31	-0.7
2012-06-30	-0.5
2012-07-31	0.5
2012-08-31	-0.7
2012-09-30	0.6
2012-10-31	-0.3
2012-11-30	-1.2
2012-12-31	-2.4
2013-01-31	0.8
2013-02-28	-0.6