Month Percent 2008-05-31 6.44 2008-06-30 6.67 2008-07-31 6.94 2008-08-31 6.8 2008-09-30 6.56 2008-10-31 6.41 2008-11-30 6.58 2008-12-31 6.69 2009-01-31 6.13 2009-02-28 5.97 2009-06-30 6.47 2009-07-31 6.47 2009-08-31 6.44 2009-09-30 6.42 2009-10-31 6.55 2009-11-30 6.62 2009-12-31 6.64 2010-01-31 6.61 2010-02-28 6.62 2010-03-31 6.61 2010-04-30 6.65 2010-05-31 6.63 2010-06-30 6.6 2010-07-31 6.52 2010-08-31 6.35 2010-09-30 6.27 2010-10-31 6.14 2010-11-30 6.16 2010-12-31 6.15 2011-01-31 6.18 2011-02-28 5.92 2011-03-31 5.91 2011-04-30 5.98 2011-05-31 5.93 2011-06-30 5.77 2011-07-31 5.75 2011-08-31 5.5 2011-09-30 5.27 2011-10-31 5.31 2011-11-30 5.37 2011-12-31 5.45 2012-01-31 5.53 2012-02-29 5.6 2012-03-31 5.76 2012-04-30 5.79 2012-05-31 6.07 2012-06-30 5.7 2012-07-31 5.83 2012-08-31 5.93 2012-09-30 5.85 2012-10-31 5.64 2012-11-30 5.64 2012-12-31 5.39 2013-01-31 4.86 2013-02-28 4.73 2013-03-31 4.67 2013-04-30 4.67 2013-05-31 4.61 2013-06-30 4.59 2013-07-31 4.58 2013-08-31 4.52 2013-09-30 4.56 2013-10-31 4.42 2013-11-30 4.41 2013-12-31 4.36 2014-01-31 4.34 2014-02-28 4.39 2014-03-31 4.38 2014-04-30 4.48 2014-05-31 4.49 2014-06-30 4.5 2014-07-31 4.47 2014-08-31 4.34 2014-09-30 4.23 2014-10-31 3.98 2014-11-30 3.84 2014-12-31 3.89 2015-01-31 3.71 2015-02-28 3.77 2015-03-31 3.74 2015-04-30 3.53 2015-05-31 3.53 2015-06-30 3.34 2015-07-31 3.26 2015-08-31 3.15 2015-09-30 3.03 2015-10-31 2.89 2015-11-30 2.88 2015-12-31 2.87 2016-01-31 2.85 2016-02-29 2.88 2016-03-31 2.87 2016-04-30 2.71 2016-05-31 2.75 2016-06-30 2.64 2016-07-31 2.57 2016-08-31 2.55 2016-09-30 2.42 2016-10-31 2.42 2016-11-30 2.49 2016-12-31 2.53 2017-01-31 2.5 2017-02-28 2.45 2017-03-31 2.48 2017-04-30 2.43 2017-05-31 2.5 2017-06-30 2.5 2017-07-31 2.37 2017-08-31 2.33 2017-09-30 2.31 2017-10-31 2.36 2017-11-30 2.36 2017-12-31 2.21 2018-01-31 2.17 2018-02-28 2.21 2018-03-31 2.2 2018-04-30 2.36 2018-05-31 2.34 2018-06-30 2.37 2018-07-31 2.3 2018-08-31 2.28 2018-09-30 2.12 2018-10-31 2.27 2018-11-30 2.28 2018-12-31 2.24 2019-01-31 2.23 2019-02-28 2.17 2019-03-31 2.17 2019-04-30 2.15 2019-05-31 2.19 2019-06-30 2.18 2019-07-31 2.15 2019-08-31 2.1 2019-09-30 2.09 2019-10-31 2.07 2019-11-30 2.08 2019-12-31 2.07 2020-01-31 2.05 2020-02-29 1.97 2020-03-31 1.94 2020-04-30 1.89 2020-05-31 1.96 2020-06-30 2.19 2020-07-31 2.5 2020-08-31 2.78 2020-09-30 3.29 2020-10-31 3.52 2020-11-30 3.72 2020-12-31 3.75 2021-01-31 3.63 2021-02-28 3.49 2021-03-31 3.38 2021-04-30 3.38 2021-05-31 3.31 2021-06-30 3.09 2021-07-31 2.79 2021-08-31 2.48 2021-09-30 2.16 2021-10-31 2.04 2021-11-30 2.02 2021-12-31 1.95 2022-01-31 1.95 2022-02-28 2.03 2022-03-31 2.38 2022-04-30 2.58 2022-05-31 2.85 2022-06-30 3.15 2022-07-31 3.69 2022-08-31 3.93 2022-09-30 4.48 2022-10-31 6.2 2022-11-30 6.28 2022-12-31 6 2023-01-31 5.66 2023-02-28 5.35 2023-03-31 5.23 2023-04-30 5.07 2023-05-31 5.08 2023-06-30 5.75 2023-07-31 6.49 2023-08-31 6.57 2023-09-30 6.37 2023-10-31 6.06 2023-11-30 5.81 2023-12-31 5.7