Month Percent 2006-11-30 -47.4 2006-12-31 -16.3 2007-01-31 -12 2007-02-28 -16.8 2007-03-31 -10.1 2007-04-30 -6.1 2007-05-31 -1.7 2007-06-30 -21.2 2007-07-31 41 2007-08-31 7.7 2007-09-30 94.4 2007-10-31 56.5 2007-11-30 75.8 2007-12-31 77 2008-01-31 13.9 2008-02-29 54.6 2008-03-31 8.5 2008-04-30 37.7 2008-05-31 39.9 2008-06-30 40.8 2008-07-31 38.1 2008-08-31 58.4 2008-09-30 99.8 2008-10-31 229.5 2008-11-30 175 2008-12-31 131.6 2009-01-31 109.3 2009-02-28 89.2 2009-03-31 26 2009-04-30 117.4 2009-05-31 368 2009-06-30 746.4 2009-07-31 1315.3 2009-08-31 1211.6 2009-09-30 1036.1 2009-10-31 305.6 2009-11-30 127.4 2009-12-31 35.3 2010-01-31 2.3 2010-02-28 19.7 2010-03-31 22.9 2010-04-30 11.8 2010-05-31 2.9 2010-06-30 5.4 2010-07-31 -4.8 2010-08-31 -7.6 2010-09-30 -10.1 2010-10-31 -11.2 2010-11-30 -9.6 2010-12-31 -12.6 2011-01-31 -13.9 2011-02-28 -15.2 2011-03-31 -12 2011-04-30 -14.3 2011-05-31 -16 2011-06-30 -15.2 2011-07-31 -16.6 2011-08-31 -15.1 2011-09-30 -15.2 2011-10-31 -1.2 2011-11-30 32.7 2011-12-31 61.7 2012-01-31 86.1 2012-02-29 120 2012-03-31 163 2012-04-30 174 2012-05-31 131.2 2012-06-30 93.9 2012-07-31 84 2012-08-31 76.7 2012-09-30 68.2 2012-10-31 58.8 2012-11-30 49 2012-12-31 45.9 2013-01-31 35.9 2013-02-28 21.4 2013-03-31 12.9 2013-04-30 7.6 2013-05-31 5.4 2013-06-30 10.5 2013-07-31 14.5 2013-08-31 14.3 2013-09-30 12.1 2013-10-31 10.4 2013-11-30 9.5 2013-12-31 6.4 2014-01-31 4.4 2014-02-28 5.5 2014-03-31 3.6 2014-04-30 1.3 2014-05-31 1.8 2014-06-30 3.6 2014-07-31 2.4 2014-08-31 -0.6 2014-09-30 -5.2 2014-10-31 -1 2014-11-30 -0.3 2014-12-31 -2.3 2015-01-31 0 2015-02-28 2.1 2015-03-31 8.9 2015-04-30 5.4 2015-05-31 7.4 2015-06-30 10.2 2015-07-31 8.6 2015-08-31 7.2 2015-09-30 2.3 2015-10-31 4.8 2015-11-30 0 2015-12-31 -6 2016-01-31 -1.8 2016-02-29 -1.1 2016-03-31 3.6 2016-04-30 2 2016-05-31 1.6 2016-06-30 6.8 2016-07-31 3.5 2016-08-31 6.4 2016-09-30 4.4 2016-10-31 11.8 2016-11-30 23.1 2016-12-31 35.2 2017-01-31 42.5 2017-02-28 50.4 2017-03-31 67.3 2017-04-30 64.1 2017-05-31 53.9 2017-06-30 43.3 2017-07-31 37.9 2017-08-31 25.6 2017-09-30 13.1 2017-10-31 12 2017-11-30 9.5 2017-12-31 10 2018-01-31 10.2 2018-02-28 15.6 2018-03-31 17 2018-04-30 16.3 2018-05-31 16.2 2018-06-30 12.3 2018-07-31 7.9 2018-08-31 3.5 2018-09-30 4.9 2018-10-31 -0.2 2018-11-30 -1.6 2018-12-31 -1.3 2019-01-31 0.2 2019-02-28 0.3 2019-03-31 -5.5 2019-04-30 -1 2019-05-31 1.2 2019-06-30 1.6 2019-07-31 -0.7 2019-08-31 -2.3 2019-09-30 -1.6 2019-10-31 -2 2019-11-30 -3 2019-12-31 -4.4 2020-01-31 -4.8 2020-02-29 -3.6 2020-03-31 -0.9 2020-04-30 30.3 2020-05-31 71.9 2020-06-30 102 2020-07-31 121 2020-08-31 133.5 2020-09-30 139.4 2020-10-31 82.8 2020-11-30 45.4 2020-12-31 28 2021-01-31 19.7 2021-02-28 18.6 2021-03-31 21.2 2021-04-30 17.3 2021-05-31 16.6 2021-06-30 15.8 2021-07-31 19.5 2021-08-31 15.6 2021-09-30 14.2 2021-10-31 23.6 2021-11-30 35.9 2021-12-31 37.2 2022-01-31 34.2 2022-02-28 31.2 2022-03-31 24.4 2022-04-30 12.1 2022-05-31 -2.6 2022-06-30 -3.8 2022-07-31 -6.3 2022-08-31 -5 2022-09-30 -1.9 2022-10-31 0.1 2022-11-30 -0.2 2022-12-31 -3.3 2023-01-31 -5.1 2023-02-28 -7.6 2023-03-31 -7.4 2023-04-30 -11.8 2023-05-31 -13.8 2023-06-30 -12.3 2023-07-31 -13 2023-08-31 -15.6 2023-09-30 -18.3 2023-10-31 -16.9 2023-11-30 -16.7 2023-12-31 -15.8