Month Percent 2008-05-31 6.29 2008-06-30 6.37 2008-07-31 6.24 2008-08-31 6.29 2008-09-30 6.24 2008-10-31 6.3 2008-11-30 6.37 2008-12-31 0 2009-01-31 0 2009-02-28 0 2009-03-31 0 2009-04-30 0 2009-05-31 0 2010-01-31 5.07 2010-02-28 5.05 2010-03-31 5.06 2010-04-30 5.06 2010-05-31 5.09 2010-06-30 5.25 2010-07-31 5.24 2010-08-31 5.23 2010-09-30 5.08 2010-10-31 5.33 2010-11-30 5.34 2010-12-31 5.33 2011-01-31 5.27 2011-02-28 5.28 2011-03-31 5.27 2011-04-30 5.25 2011-05-31 5.33 2011-06-30 5.12 2011-07-31 5.09 2011-08-31 5.1 2011-09-30 5.08 2011-11-30 5.09 2011-12-31 5.11 2012-01-31 5.27 2012-04-30 5.49 2012-05-31 5.69 2014-02-28 4.49 2014-04-30 3.81 2015-05-31 2.76 2015-06-30 2.89 2015-07-31 2.88 2015-08-31 2.85 2015-09-30 2.85 2015-10-31 2.53 2015-11-30 2.5 2015-12-31 2.65 2016-01-31 2.67 2016-02-29 2.68 2016-03-31 2.68 2016-04-30 2.69 2016-05-31 2.66 2016-06-30 2.55 2016-07-31 2.62 2016-08-31 2.34 2016-09-30 2.4 2016-10-31 2.4 2016-11-30 2.41 2016-12-31 2.4 2017-01-31 2.46 2017-02-28 2.43 2017-03-31 2.41 2017-04-30 2.45 2018-01-31 1.91 2018-02-28 1.85 2018-03-31 1.85 2018-04-30 1.85 2018-05-31 1.87 2018-06-30 1.83 2018-07-31 1.88 2018-08-31 2.1 2018-09-30 2.11 2018-10-31 2.13 2018-11-30 2.13 2018-12-31 2.13 2019-01-31 2.13 2019-02-28 2.31 2019-03-31 2.31 2019-04-30 2.21 2019-05-31 2.21 2019-06-30 2.21 2019-07-31 3.03 2019-08-31 3.03 2019-09-30 3.03 2019-10-31 2.9 2019-11-30 2.91 2019-12-31 2.91 2020-01-31 2.86 2020-02-29 2.81 2020-03-31 2.88 2020-04-30 3.11 2020-05-31 2.81 2020-06-30 2.35 2020-07-31 2.74 2020-08-31 2.72 2020-09-30 2.89 2020-10-31 3.26 2020-11-30 3.29 2020-12-31 3.31 2021-01-31 3.31 2021-02-28 3.17 2021-03-31 3.03 2021-04-30 2.91 2021-05-31 2.88 2021-06-30 2.87 2021-07-31 2.82 2021-08-31 2.82 2021-09-30 2.82 2021-10-31 2.62 2021-11-30 2.52 2021-12-31 2.45 2022-01-31 2.4 2022-02-28 2.34 2022-03-31 2.42 2022-04-30 2.35 2022-05-31 2.44 2022-06-30 2.53 2022-07-31 2.53 2022-08-31 2.8 2022-09-30 3.3 2022-10-31 3.4 2022-11-30 3.84 2022-12-31 4.28 2023-01-31 4.39 2023-02-28 4.8 2023-03-31 5 2023-04-30 5.13 2023-05-31 5.26 2023-06-30 5.57 2023-07-31 5.96 2023-08-31 6.28 2023-09-30 6.34 2023-10-31 6.33 2023-11-30 6.36 2023-12-31 6.35