Month	Percent
2008-10-31	0.1
2008-11-30	-0.4
2008-12-31	-0.8
2009-01-31	-1.4
2009-02-28	-2.4
2009-03-31	-3.1
2009-04-30	-4.7
2009-05-31	-5.3
2009-06-30	-5.3
2009-07-31	-5.4
2009-08-31	-5.7
2009-09-30	-6
2009-10-31	-6
2009-11-30	-3.5
2009-12-31	-3.2
2010-01-31	-3.2
2010-02-28	-2.9
2010-03-31	-2.9
2010-04-30	-2.1
2010-05-31	-1.9
2010-06-30	-2.3
2010-07-31	-2.7
2010-08-31	-2.6
2010-09-30	-2.4
2010-10-31	-2.4
2010-11-30	-4.8
2010-12-31	-4.5
2011-01-31	-4.4
2011-02-28	-4.2
2011-03-31	-3.6
2011-04-30	-3.2
2011-05-31	-3.2
2011-06-30	-2.9
2011-07-31	-2.6
2011-08-31	-2.1
2011-09-30	-2
2011-10-31	-2.2
2011-11-30	-2.2
2011-12-31	-3
2012-01-31	-3.4
2012-02-29	-3.8
2012-03-31	-3.7
2012-04-30	-3.8
2012-05-31	-4
2012-06-30	-4.3
2012-07-31	-4.6
2012-08-31	-4.6
2012-09-30	-4.5
2012-10-31	-4.4
2012-11-30	-4.4
2012-12-31	-3.3
2013-01-31	-2.4
2013-02-28	-1.4
2013-03-31	-1.1
2013-04-30	-0.4
2013-05-31	0.6
2013-06-30	1.5
2013-07-31	2.8
2013-08-31	3.1
2013-09-30	4.1
2013-10-31	4.6
2013-11-30	5.3
2013-12-31	4.7
2014-01-31	5
2014-02-28	5.5
2014-03-31	6.2
2014-04-30	6.4
2014-05-31	7
2014-06-30	7.3
2014-07-31	7.6
2014-08-31	8
2014-09-30	8.2
2014-10-31	8.8
2014-11-30	8.8
2014-12-31	9.1
2015-01-31	9.1
2015-02-28	9.2
2015-03-31	10