Month Percent 2009-09-30 9.5 2009-10-31 19.2 2009-11-30 37.4 2009-12-31 35 2010-01-31 5.6 2010-02-28 -16.3 2010-03-31 -1.1 2010-04-30 10.5 2010-05-31 19.2 2010-06-30 -5.7 2010-07-31 -3.6 2010-08-31 -5 2010-09-30 10.4 2010-10-31 1.1 2010-11-30 4.3 2010-12-31 22.1 2011-01-31 -26.3 2011-02-28 -31.5 2011-03-31 -41.9 2011-04-30 -6.7 2011-05-31 -2.3 2011-06-30 13.3 2011-07-31 16.9 2011-08-31 8.4 2011-09-30 -13.7 2011-10-31 -13.4 2011-11-30 -13.7 2011-12-31 -3.4 2012-01-31 -18.9 2012-02-29 -12.5 2012-03-31 -13 2012-04-30 7.9 2012-05-31 46.7 2012-06-30 32.6 2012-07-31 7.2 2012-08-31 -15.2 2012-09-30 -12.9 2012-10-31 17.7 2012-11-30 16.3 2012-12-31 44 2013-01-31 18.1 2013-02-28 3.5 2013-03-31 -16.2 2013-04-30 -14.1 2013-05-31 1.2 2013-06-30 0.4 2013-07-31 8.9 2013-08-31 -3.4 2013-09-30 8.9 2013-10-31 5.3 2013-11-30 2 2013-12-31 22 2014-01-31 4.1 2014-02-28 12 2014-03-31 -9.6 2014-04-30 8.2 2014-05-31 7.2 2014-06-30 0.5 2014-07-31 9.5 2014-08-31 1 2014-09-30 4.9 2014-10-31 0.6 2014-11-30 10.8 2014-12-31 31.7 2015-01-31 3 2015-02-28 -1.4 2015-03-31 -12.5 2015-04-30 6.8 2015-05-31 13.5 2015-06-30 14.2 2015-07-31 29 2015-08-31 28 2015-09-30 19.8 2015-10-31 15.2 2015-11-30 10 2015-12-31 20.7 2016-01-31 8.3 2016-02-29 9.2 2016-03-31 -9.8 2016-04-30 -9 2016-05-31 -0.9 2016-06-30 34.2 2016-07-31 0.8 2016-08-31 -4.2 2016-09-30 -29.6 2016-10-31 7.9 2016-11-30 8.2 2016-12-31 31.5 2017-01-31 8.4 2017-02-28 -7.8 2017-03-31 -16.8 2017-04-30 -7 2017-05-31 21.9 2017-06-30 29.2 2017-07-31 19.5 2017-08-31 4.5 2017-09-30 -10.6 2017-10-31 9.4 2017-11-30 26 2017-12-31 28 2018-01-31 3 2018-02-28 -25.7 2018-03-31 -15.7 2018-04-30 -10.3 2018-05-31 19.5 2018-06-30 12.1 2018-07-31 15.4 2018-08-31 11.5 2018-09-30 -2.3 2018-10-31 18.9 2018-11-30 6.2 2018-12-31 33.7 2019-01-31 -7.1 2019-02-28 -5.1 2019-03-31 -21.9 2019-04-30 3.1 2019-05-31 3.7 2019-06-30 2.6 2019-07-31 20.1 2019-08-31 8.5 2019-09-30 15.5 2019-10-31 -5.8 2019-11-30 6.4 2019-12-31 2.6 2020-01-31 -6.1 2020-02-29 -23.1 2020-03-31 29.9 2020-04-30 77.5 2020-05-31 146.5 2020-06-30 68 2020-07-31 30.6 2020-08-31 23.8 2020-09-30 10 2020-10-31 37.2 2020-11-30 15.9 2020-12-31 16.4 2021-01-31 -18.2 2021-02-28 -14.8 2021-03-31 -14.6 2021-04-30 -6.7 2021-05-31 -6.9 2021-06-30 4.6 2021-07-31 2.4 2021-08-31 10.5 2021-09-30 -3.2 2021-10-31 -0.8 2021-11-30 11.9 2021-12-31 17.5 2022-01-31 3.9 2022-02-28 -5.4 2022-03-31 -4.5 2022-04-30 14.5 2022-05-31 -8.4 2022-06-30 -15.5 2022-07-31 -23.6 2022-08-31 -9.6 2022-09-30 -7 2022-10-31 1.3 2022-11-30 4 2022-12-31 3 2023-01-31 -13.2 2023-02-28 -35.2 2023-03-31 -35.5 2023-04-30 -28.5 2023-05-31 -0.5 2023-06-30 -0.7 2023-07-31 11.8 2023-08-31 10.5 2023-09-30 9.4 2023-10-31 14.1 2023-11-30 7.5 2023-12-31 22.3