Month Percent 2008-01-31 -4.8 2008-02-29 1 2008-03-31 18.4 2008-04-30 5.3 2008-05-31 3.5 2008-06-30 2 2008-07-31 14.3 2008-08-31 12.6 2008-09-30 3.9 2008-10-31 0.1 2008-11-30 6 2008-12-31 22.7 2009-01-31 17.4 2009-02-28 -6.9 2009-03-31 -4 2009-04-30 -15.6 2009-05-31 11.3 2009-06-30 2.6 2009-07-31 6.1 2009-08-31 -8.2 2009-09-30 -6.4 2009-10-31 -15.5 2009-11-30 -2.1 2009-12-31 -14.1 2010-01-31 12.8 2010-02-28 -17.3 2010-03-31 -3 2010-04-30 -21.7 2010-05-31 4.7 2010-06-30 5.2 2010-07-31 23.2 2010-08-31 22.7 2010-09-30 -4.8 2010-10-31 -8.1 2010-11-30 -11.2 2010-12-31 10.4 2011-01-31 5.5 2011-02-28 -2.1 2011-03-31 -11.3 2011-04-30 -14.1 2011-05-31 3.3 2011-06-30 8.6 2011-07-31 4 2011-08-31 5.3 2011-09-30 -13.2 2011-10-31 6.9 2011-11-30 -0.7 2011-12-31 -0.8 2012-01-31 -0.2 2012-02-29 -14.2 2012-03-31 -9.9 2012-04-30 -17.4 2012-05-31 1.1 2012-06-30 4.3 2012-07-31 18.1 2012-08-31 -10.7 2012-09-30 3.3 2012-10-31 -9.7 2012-11-30 -7 2012-12-31 7.7 2013-01-31 10.3 2013-02-28 17.6 2013-03-31 -11.6 2013-04-30 -8.6 2013-05-31 -5.4 2013-06-30 -21 2013-07-31 -13.3 2013-08-31 -8.8 2013-09-30 25.1 2013-10-31 -6 2013-11-30 -28.9 2013-12-31 -5.4 2014-01-31 -9.6 2014-02-28 -0.9 2014-03-31 -16.5 2014-04-30 -10.8 2014-05-31 5.9 2014-06-30 -8.1 2014-07-31 5.4 2014-08-31 -5.6 2014-09-30 3.3 2014-10-31 -18.5 2014-11-30 -4.3 2014-12-31 -3.9 2015-01-31 -3.2 2015-02-28 -25 2015-03-31 -16.8 2015-04-30 -14.6 2015-05-31 4.5 2015-06-30 -11.9 2015-07-31 -0.6 2015-08-31 -0.4 2015-09-30 4.3 2015-10-31 -11.4 2015-11-30 5.9 2015-12-31 -8.4 2016-01-31 3.2 2016-02-29 -3.9 2016-03-31 -1.8 2016-04-30 -21.9 2016-05-31 -10.7 2016-06-30 -14.9 2016-07-31 6 2016-08-31 10.1 2016-09-30 -5.5 2016-10-31 14.7 2016-11-30 -1 2016-12-31 8.5 2017-01-31 7.8 2017-02-28 -10.4 2017-03-31 -4.3 2017-04-30 -36.9 2017-05-31 10.7 2017-06-30 -0.5 2017-07-31 46.6 2017-08-31 14.6 2017-09-30 12.3 2017-10-31 24 2017-11-30 -10.8 2017-12-31 18.3 2018-01-31 -4.6 2018-02-28 4.6 2018-03-31 -21 2018-04-30 -6.6 2018-05-31 -1.7 2018-06-30 -0.2 2018-07-31 0.7 2018-08-31 -11 2018-09-30 7.2 2018-10-31 0.3 2018-11-30 -2.3 2018-12-31 17 2019-01-31 7.5 2019-02-28 9.1 2019-03-31 -19.6 2019-04-30 -9.9 2019-05-31 -10.9 2019-06-30 -4.4 2019-07-31 5.3 2019-08-31 1.4 2019-09-30 11.2 2019-10-31 -1.9 2019-11-30 -5.2 2019-12-31 9.5 2020-01-31 -10.5 2020-02-29 -11.2 2020-03-31 -33 2020-04-30 -42.3 2020-05-31 -62.8 2020-06-30 -49 2020-07-31 -40.1 2020-08-31 0.8 2020-09-30 -14.3 2020-10-31 -14.5 2020-11-30 -3.4 2020-12-31 -11.4 2021-01-31 -12.3 2021-02-28 -9.1 2021-03-31 23 2021-04-30 3.7 2021-05-31 5.1 2021-06-30 -10.4 2021-07-31 19.4 2021-08-31 35.4 2021-09-30 8.7 2021-10-31 8.1 2021-11-30 10.4 2021-12-31 19.6 2022-01-31 39.7 2022-02-28 -2.1 2022-03-31 14.8 2022-04-30 -25.1 2022-05-31 8.7 2022-06-30 -7.3 2022-07-31 28.6 2022-08-31 5.9 2022-09-30 -11.6 2022-10-31 -16.7 2022-11-30 -31.1 2022-12-31 2.3 2023-01-31 11.6 2023-02-28 38.9 2023-03-31 1.6 2023-04-30 -17.3 2023-05-31 -6.6 2023-06-30 -23 2023-07-31 -0.7 2023-08-31 -11.5 2023-09-30 -12.4 2023-10-31 -2.8 2023-11-30 -12.5 2023-12-31 16