Month	Percent
2010-06-30	3.7
2010-07-31	3.3
2010-08-31	5.5
2010-09-30	3.4
2010-10-31	13.9
2010-11-30	3.3
2010-12-31	5.6
2011-01-31	4
2011-02-28	5.6
2011-03-31	0.8
2011-04-30	15.1
2011-05-31	8.3
2011-06-30	10.9
2011-07-31	17.3
2011-08-31	10.6
2011-09-30	9.5
2011-10-31	5.8
2011-11-30	8.5
2011-12-31	-1
2012-01-31	5.3
2012-02-29	1.1
2012-03-31	2.7
2012-04-30	4.1
2012-05-31	14.4
2012-06-30	6.8
2012-07-31	1
2012-08-31	3.3
2012-09-30	-0.8
2012-10-31	-4.4
2012-11-30	1.7
2012-12-31	10.8
2013-01-31	7.3
2013-02-28	20.5