Month	Percent
2007-11-30	0.2
2007-12-31	-0.4
2008-01-31	0.2
2008-02-29	0.6
2008-03-31	0.1
2008-04-30	0
2008-05-31	0.1
2008-06-30	0
2008-07-31	0
2008-08-31	-0.2
2008-09-30	-0.1
2008-10-31	-0.3
2008-11-30	-0.3
2008-12-31	-0.9
2009-01-31	-0.4
2009-02-28	-0.5
2009-03-31	-0.6
2009-04-30	-1.6
2009-05-31	-0.6
2009-06-30	0
2009-07-31	-0.1
2009-08-31	-0.5
2009-09-30	-0.5
2009-10-31	-0.3
2009-11-30	2.4
2009-12-31	-0.5
2010-01-31	-0.4
2010-02-28	-0.1
2010-03-31	-0.6
2010-04-30	-0.8
2010-05-31	-0.4
2010-06-30	-0.4
2010-07-31	-0.5
2010-08-31	-0.5
2010-09-30	-0.2
2010-10-31	-0.3
2010-11-30	-0.2
2010-12-31	-0.2
2011-01-31	-0.3
2011-02-28	0.1
2011-03-31	0
2011-04-30	-0.4
2011-05-31	-0.4
2011-06-30	-0.1
2011-07-31	-0.2
2011-08-31	0
2011-09-30	-0.1
2011-10-31	-0.4
2011-11-30	-0.2
2011-12-31	-1
2012-01-31	-0.6
2012-02-29	-0.4
2012-03-31	0.1
2012-04-30	-0.5
2012-05-31	-0.7
2012-06-30	-0.3
2012-07-31	-0.5
2012-08-31	0
2012-09-30	0
2012-10-31	-0.3
2012-11-30	-0.3
2012-12-31	0.1
2013-01-31	0.4
2013-02-28	0.6
2013-03-31	0.4
2013-04-30	0.2
2013-05-31	0.4
2013-06-30	0.6
2013-07-31	0.7
2013-08-31	0.3
2013-09-30	0.9
2013-10-31	0.2
2013-11-30	0.4
2013-12-31	-0.4
2014-01-31	0.7
2014-02-28	1
2014-03-31	1.1
2014-04-30	0.5
2014-05-31	0.9
2014-06-30	0.9
2014-07-31	1
2014-08-31	0.7
2014-09-30	1.1
2014-10-31	0.8
2014-11-30	0.4
2014-12-31	-0.2
2015-01-31	0.7
2015-02-28	1.1
2015-03-31	1.8