Month Percent 2009-09-30 -3.9 2009-10-31 -0.9 2009-11-30 11 2009-12-31 3.7 2010-01-31 -2.4 2010-02-28 -8.9 2010-03-31 2.3 2010-04-30 3.5 2010-05-31 -2.1 2010-06-30 -14.7 2010-07-31 -18.9 2010-08-31 -12.5 2010-09-30 20.2 2010-10-31 37.4 2010-11-30 38 2010-12-31 0.6 2011-01-31 -12.2 2011-02-28 -16.3 2011-03-31 3 2011-04-30 5.7 2011-05-31 8.3 2011-06-30 -5.7 2011-07-31 0.9 2011-08-31 14.3 2011-09-30 2.5 2011-10-31 -10.8 2011-11-30 -33.5 2011-12-31 -30.7 2012-01-31 -15.9 2012-02-29 -1 2012-03-31 16.9 2012-04-30 9.5 2012-05-31 5.2 2012-06-30 -11.8 2012-07-31 -11.5 2012-08-31 -13.4 2012-09-30 1.6 2012-10-31 -7.7 2012-11-30 5.7 2012-12-31 9.1 2013-01-31 26.6 2013-02-28 22 2013-03-31 9.4 2013-04-30 6.3 2013-05-31 5.1 2013-06-30 -9 2013-07-31 -14.8 2013-08-31 -17.9 2013-09-30 -5.7 2013-10-31 -1.4 2013-11-30 3.9 2013-12-31 -15.4 2014-01-31 -19.8 2014-02-28 -21.1 2014-03-31 -36.4 2014-04-30 -40.9 2014-05-31 -49.9 2014-06-30 -27.8 2014-07-31 -25.4 2014-08-31 -21.1 2014-09-30 -15.9 2014-10-31 -18.2 2014-11-30 -19.7 2014-12-31 -23.5 2015-01-31 -14.4 2015-02-28 5.3 2015-03-31 18.4 2015-04-30 18.9 2015-05-31 -10.2 2015-06-30 -11.7 2015-07-31 -7.5 2015-08-31 1.7 2015-09-30 8.1 2015-10-31 -9.6 2015-11-30 -10.6 2015-12-31 -18.5 2016-01-31 -13.5 2016-02-29 2.9 2016-03-31 -4 2016-04-30 3.5 2016-05-31 -10.3 2016-06-30 -4.5 2016-07-31 -9.5 2016-08-31 -13.7 2016-09-30 -7 2016-10-31 -10.7 2016-11-30 9.5 2016-12-31 -9.3 2017-01-31 2.5 2017-02-28 -3 2017-03-31 8.7 2017-04-30 11.4 2017-05-31 1.3 2017-06-30 -3.1 2017-07-31 -12.6 2017-08-31 -13.7 2017-09-30 -5.3 2017-10-31 -7.5 2017-11-30 11.4 2017-12-31 -3.4 2018-01-31 30 2018-02-28 0.2 2018-03-31 15.9 2018-04-30 -1.4 2018-05-31 8.3 2018-06-30 18.4 2018-07-31 -2.2 2018-08-31 1.2 2018-09-30 0.5 2018-10-31 -2.9 2018-11-30 -2.2 2018-12-31 -10.4 2019-01-31 11.2 2019-02-28 13.9 2019-03-31 14.1 2019-04-30 17.9 2019-05-31 6.5 2019-06-30 13.6 2019-07-31 3.1 2019-08-31 12.7 2019-09-30 2.3 2019-10-31 -0.9 2019-11-30 11.8 2019-12-31 12.8 2020-01-31 29.1 2020-02-29 19.4 2020-03-31 36.5 2020-04-30 23.9 2020-05-31 4.6 2020-06-30 -2.7 2020-07-31 -15.6 2020-08-31 -2.6 2020-09-30 -7.7 2020-10-31 -4.4 2020-11-30 5.5 2020-12-31 9.2 2021-01-31 8.5 2021-02-28 -2.5 2021-03-31 -7.1 2021-04-30 10.2 2021-05-31 15.9 2021-06-30 15.5 2021-07-31 2 2021-08-31 -3.2 2021-09-30 5.3 2021-10-31 14 2021-11-30 2.6 2021-12-31 -4.5 2022-01-31 6.3 2022-02-28 8.9 2022-03-31 11.3 2022-04-30 -9.8 2022-05-31 -3.9 2022-06-30 -9.2 2022-07-31 -1.5 2022-08-31 -8.6 2022-09-30 6.8 2022-10-31 -8 2022-11-30 2 2022-12-31 -12 2023-01-31 6.9 2023-02-28 8 2023-03-31 1.5 2023-04-30 2.5 2023-05-31 9.2 2023-06-30 31.5 2023-07-31 29.5 2023-08-31 11.6 2023-09-30 7.3 2023-10-31 -1.2 2023-11-30 12.5 2023-12-31 32.8