Month Percent 2004-01-31 6.76 2004-02-29 6.74 2004-03-31 6.83 2004-04-30 6.79 2004-05-31 6.9 2004-06-30 7.11 2004-07-31 7.09 2004-08-31 7.29 2004-09-30 7.31 2004-10-31 7.29 2004-11-30 7.31 2004-12-31 7.28 2005-01-31 7.29 2005-02-28 7.29 2005-03-31 7.29 2005-04-30 7.25 2005-05-31 7.27 2005-06-30 7.22 2005-07-31 7.2 2005-08-31 7.05 2005-09-30 7.07 2005-10-31 6.92 2005-11-30 6.97 2005-12-31 6.95 2006-01-31 6.98 2006-02-28 6.97 2006-03-31 6.97 2006-04-30 6.98 2006-05-31 6.98 2006-06-30 7 2006-07-31 6.99 2006-08-31 7.15 2006-09-30 7.18 2006-10-31 7.18 2006-11-30 7.31 2006-12-31 7.37 2007-01-31 7.54 2007-02-28 7.61 2007-03-31 7.71 2007-04-30 7.71 2007-05-31 7.8 2007-06-30 7.88 2007-07-31 8.06 2007-08-31 8.11 2007-09-30 8.11 2007-10-31 8.07 2007-11-30 8.08 2007-12-31 7.93 2008-01-31 7.85 2008-02-29 7.71 2008-03-31 7.62 2008-04-30 7.42 2008-05-31 7.37 2008-06-30 7.37 2008-07-31 7.3 2008-08-31 7.3 2008-09-30 7.29 2008-10-31 6.97 2008-11-30 5.78 2008-12-31 4.77 2009-01-31 4.12 2009-02-28 3.63 2009-03-31 3.14 2009-04-30 3.08 2009-05-31 3.09 2009-06-30 3.09 2009-07-31 3.11 2009-08-31 3.14 2009-09-30 3.16 2009-10-31 3.05 2009-11-30 3.06 2009-12-31 3.09 2010-01-31 3.08 2010-02-28 3.09 2010-03-31 3.11 2010-04-30 3.12 2010-05-31 3.1 2010-06-30 3.12 2010-07-31 3.13 2010-08-31 3.13 2010-09-30 3.13 2010-10-31 3.14 2010-11-30 3.14 2010-12-31 3.16 2011-01-31 3.27 2011-02-28 3.28 2011-03-31 3.29 2011-04-30 3.29 2011-05-31 3.29 2011-06-30 3.28 2011-07-31 3.29 2011-08-31 3.29 2011-09-30 3.3 2011-10-31 3.32 2011-11-30 3.32 2011-12-31 3.33 2012-01-31 3.34 2012-02-29 3.35 2012-03-31 3.37 2012-04-30 3.38 2012-05-31 3.32 2012-06-30 3.32 2012-07-31 3.33 2012-08-31 3.35 2012-09-30 3.36 2012-10-31 3.39 2012-11-30 3.43 2012-12-31 3.41 2013-01-31 3.4 2013-02-28 3.41 2013-03-31 3.4 2013-04-30 3.41 2013-05-31 3.41 2013-06-30 3.43 2013-07-31 3.43 2013-08-31 3.41 2013-09-30 3.39 2013-10-31 3.4 2013-11-30 3.42 2013-12-31 3.4 2014-01-31 3.43 2014-02-28 3.42 2014-03-31 3.41 2014-04-30 3.4 2014-05-31 3.42 2014-06-30 3.39 2014-07-31 3.42 2014-08-31 3.4 2014-09-30 3.4 2014-10-31 3.36 2014-11-30 3.38 2014-12-31 3.4 2015-01-31 3.45 2015-02-28 3.46 2015-03-31 3.34 2015-04-30 3.35 2015-05-31 3.37 2015-06-30 3.33 2015-07-31 3.35 2015-08-31 3.34 2015-09-30 3.23 2015-10-31 3.26 2015-11-30 3.2 2015-12-31 3.24 2016-01-31 3.22 2016-02-29 3.22 2016-03-31 3.21 2016-04-30 3.18 2016-05-31 3.21 2016-06-30 3.2 2016-07-31 3.2 2016-08-31 3.02 2016-09-30 3 2016-10-31 2.98 2016-11-30 2.97 2016-12-31 2.98 2017-01-31 2.97 2017-02-28 2.96 2017-03-31 2.98 2017-04-30 2.94 2017-05-31 2.94 2017-06-30 2.98 2017-07-31 2.99 2017-08-31 3 2017-09-30 2.95 2017-10-31 2.97 2017-11-30 3.14 2017-12-31 3.21 2018-01-31 3.14 2018-02-28 3.12 2018-03-31 3.12 2018-04-30 3.11 2018-05-31 3.14 2018-06-30 3.11 2018-07-31 3.16 2018-08-31 3.37 2018-09-30 3.4 2018-10-31 3.43 2018-11-30 3.41 2018-12-31 3.47 2019-01-31 3.36 2019-02-28 3.31 2019-03-31 3.35 2019-04-30 3.34 2019-05-31 3.29 2019-06-30 3.28 2019-07-31 3.31 2019-08-31 3.31 2019-09-30 3.29 2019-10-31 3.31 2019-11-30 3.21 2019-12-31 3.3 2020-01-31 3.34 2020-02-29 3.31 2020-03-31 3.01 2020-04-30 2.77 2020-05-31 2.69 2020-06-30 2.59 2020-07-31 2.5 2020-08-31 2.4 2020-09-30 2.4 2020-10-31 2.37 2020-11-30 2.36 2020-12-31 2.35 2021-01-31 2.3 2021-02-28 2.32 2021-03-31 2.29 2021-04-30 2.31 2021-05-31 2.35 2021-06-30 2.36 2021-07-31 2.35 2021-08-31 2.35 2021-09-30 2.33 2021-10-31 2.31 2021-11-30 2.32 2021-12-31 2.33 2022-01-31 2.46 2022-02-28 2.63 2022-03-31 2.77 2022-04-30 2.9 2022-05-31 3.04 2022-06-30 3.15 2022-07-31 3.25 2022-08-31 3.63 2022-09-30 3.93 2022-10-31 4.12 2022-11-30 4.59 2022-12-31 4.99 2023-01-31 5.07 2023-02-28 5.42 2023-03-31 6.02 2023-04-30 6.15 2023-05-31 6.28 2023-06-30 6.51 2023-07-31 6.83 2023-08-31 6.99 2023-09-30 7.04 2023-10-31 7.07 2023-11-30 7.06 2023-12-31 7.09