Month Percent 2011-04-30 49.9 2011-05-31 0.2 2011-06-30 15.9 2011-07-31 -28.8 2011-08-31 19.2 2011-09-30 -0.1 2011-10-31 -9.3 2011-11-30 -43.3 2011-12-31 -37.4 2012-01-31 -32.3 2012-02-29 -8.7 2012-03-31 -6.1 2012-04-30 10.2 2012-05-31 -41.1 2012-06-30 -11.9 2012-07-31 -19.4 2012-08-31 4.5 2012-09-30 11.3 2012-10-31 -23.2 2012-11-30 -26.9 2012-12-31 -9.2 2013-01-31 30.1 2013-02-28 36 2013-03-31 -13.2 2013-04-30 -11 2013-05-31 24.5 2013-06-30 -7.8 2013-07-31 -34.6 2013-08-31 -29 2013-09-30 11.4 2013-10-31 24.7 2013-11-30 2.7 2013-12-31 -20 2014-01-31 22.1 2014-02-28 -17.5 2014-03-31 -30.7 2014-04-30 -21.7 2014-05-31 8.4 2014-06-30 14.8 2014-07-31 -8.1 2014-08-31 -25.1 2014-09-30 6.9 2014-10-31 10.9 2014-11-30 19.5 2014-12-31 -47.6 2015-01-31 -31.4 2015-02-28 -23.6 2015-03-31 18.9 2015-04-30 -0.6 2015-05-31 -5.2 2015-06-30 -42.4 2015-07-31 -53.2 2015-08-31 -31.8 2015-09-30 -10.9 2015-10-31 -34.6 2015-11-30 -42.1 2015-12-31 -29.5 2016-01-31 6.4 2016-02-29 -6.7 2016-03-31 -18.2 2016-04-30 -20.8 2016-05-31 -12.1 2016-06-30 93.8 2016-07-31 63.7 2016-08-31 52.2 2016-09-30 -17 2016-10-31 25.6 2016-11-30 64.9 2016-12-31 -7.1 2017-01-31 95.1 2017-02-28 37.7 2017-03-31 156.1 2017-04-30 17.7 2017-05-31 9.3 2017-06-30 11.3 2017-07-31 -4.9 2017-08-31 29.1 2017-09-30 50.3 2017-10-31 60.1 2017-11-30 26.5 2017-12-31 -30.6 2018-01-31 2 2018-02-28 -2.6 2018-03-31 -2.9 2018-04-30 -34.9 2018-05-31 -26.2 2018-06-30 11.9 2018-07-31 41.7 2018-08-31 23.9 2018-09-30 36.9 2018-10-31 -14.4 2018-11-30 30.3 2018-12-31 -1.7 2019-01-31 29 2019-02-28 -58.5 2019-03-31 -39.3 2019-04-30 -59.6 2019-05-31 -17.5 2019-06-30 -26.6 2019-07-31 19.4 2019-08-31 49.8 2019-09-30 64 2019-10-31 12.4 2019-11-30 -1.6 2019-12-31 2.5 2020-01-31 12.3 2020-02-29 20.1 2020-03-31 69 2020-04-30 121.9 2020-05-31 47.1 2020-06-30 2.8 2020-07-31 -7.7 2020-08-31 -1.1 2020-09-30 4 2020-10-31 -30.5 2020-11-30 -13 2020-12-31 -23.4 2021-01-31 -1.7 2021-02-28 -14.1 2021-03-31 -10.1 2021-04-30 -8.8 2021-05-31 -0.4 2021-06-30 29.5 2021-07-31 9.8 2021-08-31 16.2 2021-09-30 5.2 2021-10-31 23.6 2021-11-30 36.5 2021-12-31 48.5 2022-01-31 7.5 2022-02-28 49.3 2022-03-31 -5.9 2022-04-30 42.5 2022-05-31 -19 2022-06-30 23.9 2022-07-31 17.3 2022-08-31 -2.7 2022-09-30 -2.3 2022-10-31 30.5 2022-11-30 38.3 2022-12-31 9.6 2023-01-31 -14.9 2023-02-28 -9.9 2023-03-31 -19.1 2023-04-30 -19 2023-05-31 -21.6 2023-06-30 -22.6 2023-07-31 -37.4 2023-08-31 -15.3 2023-09-30 -24.6 2023-10-31 16.5 2023-11-30 -6.7 2023-12-31 -24.8