Month Percent 2004-01-31 5.52 2004-02-29 5.62 2004-03-31 5.73 2004-04-30 5.77 2004-05-31 5.94 2004-06-30 6.08 2004-07-31 6.19 2004-08-31 6.25 2004-09-30 6.3 2004-10-31 6.38 2004-11-30 6.34 2004-12-31 6.36 2005-01-31 6.3 2005-02-28 6.25 2005-03-31 6.27 2005-04-30 6.3 2005-05-31 6.29 2005-06-30 6.36 2005-07-31 6.28 2005-08-31 6.18 2005-09-30 6.13 2005-10-31 6.07 2005-11-30 6.07 2005-12-31 6.06 2006-01-31 6.1 2006-02-28 6.03 2006-03-31 6.01 2006-04-30 6.01 2006-05-31 6.03 2006-06-30 6.02 2006-07-31 6.06 2006-08-31 6.13 2006-09-30 6.19 2006-10-31 6.26 2006-11-30 6.37 2006-12-31 6.5 2007-01-31 6.54 2007-02-28 6.66 2007-03-31 6.63 2007-04-30 6.73 2007-05-31 6.81 2007-06-30 6.88 2007-07-31 7.06 2007-08-31 7.24 2007-09-30 7.44 2007-10-31 7.44 2007-11-30 7.44 2007-12-31 7.46 2008-01-31 7.31 2008-02-29 7.08 2008-03-31 7.05 2008-04-30 7.06 2008-05-31 7.02 2008-06-30 7.03 2008-07-31 6.98 2008-08-31 6.98 2008-09-30 7.04 2008-10-31 7.2 2008-11-30 6.8 2008-12-31 6.05 2009-01-31 5.03 2009-02-28 4.38 2009-03-31 4.12 2009-04-30 3.79 2009-05-31 3.64 2009-06-30 3.52 2009-07-31 3.42 2009-08-31 3.35 2009-09-30 3.31 2009-10-31 3.21 2009-11-30 3.17 2009-12-31 3.17 2010-01-31 3.36 2010-02-28 3.37 2010-03-31 3.42 2010-04-30 3.48 2010-05-31 3.44 2010-06-30 3.48 2010-07-31 3.45 2010-08-31 3.43 2010-09-30 3.44 2010-10-31 3.43 2010-11-30 3.44 2010-12-31 3.46 2011-01-31 3.48 2011-02-28 3.49 2011-03-31 3.48 2011-04-30 3.46 2011-05-31 3.54 2011-06-30 3.51 2011-07-31 3.54 2011-08-31 3.58 2011-09-30 3.58 2011-10-31 3.61 2011-11-30 3.61 2011-12-31 3.61 2012-01-31 3.66 2012-02-29 3.67 2012-03-31 3.66 2012-04-30 3.67 2012-05-31 3.66 2012-06-30 3.66 2012-07-31 3.64 2012-08-31 3.6 2012-09-30 3.56 2012-10-31 3.48 2012-11-30 3.48 2012-12-31 3.47 2013-01-31 3.53 2013-02-28 3.48 2013-03-31 3.49 2013-04-30 3.52 2013-05-31 3.51 2013-06-30 3.47 2013-07-31 3.48 2013-08-31 3.48 2013-09-30 3.49 2013-10-31 3.45 2013-11-30 3.44 2013-12-31 3.4 2014-01-31 3.41 2014-02-28 3.41 2014-03-31 3.44 2014-04-30 3.44 2014-05-31 3.48 2014-06-30 3.46 2014-07-31 3.46 2014-08-31 3.46 2014-09-30 3.48 2014-10-31 3.5 2014-11-30 3.48 2014-12-31 3.5 2015-01-31 3.49 2015-02-28 3.51 2015-03-31 3.5 2015-04-30 3.5 2015-05-31 3.49 2015-06-30 3.53 2015-07-31 3.53 2015-08-31 3.53 2015-09-30 3.57 2015-10-31 3.53 2015-11-30 3.54 2015-12-31 3.56 2016-01-31 4.92 2016-02-29 4.92 2016-03-31 4.91 2016-04-30 4.89 2016-05-31 4.9 2016-06-30 4.9 2016-07-31 4.92 2016-08-31 4.89 2016-09-30 4.87 2016-10-31 4.83 2016-11-30 4.86 2016-12-31 4.79 2017-01-31 4.81 2017-02-28 4.79 2017-03-31 4.79 2017-04-30 4.78 2017-05-31 4.76 2017-06-30 4.76 2017-07-31 4.51 2017-08-31 4.47 2017-09-30 4.45 2017-10-31 4.44 2017-11-30 4.46 2017-12-31 4.36 2018-01-31 4.36 2018-02-28 4.25 2018-03-31 4.09 2018-04-30 4.26 2018-05-31 4.23 2018-06-30 4.18 2018-07-31 4.15 2018-08-31 4.12 2018-09-30 4.15 2018-10-31 4.16 2018-11-30 4.14 2018-12-31 4.11 2019-01-31 4.09 2019-02-28 4.1 2019-03-31 4.09 2019-04-30 4.09 2019-05-31 4.06 2019-06-30 4.08 2019-07-31 4.05 2019-08-31 4.01 2019-09-30 3.98 2019-10-31 4.02 2019-11-30 4.01 2019-12-31 4.03 2020-01-31 4.03 2020-02-29 4.57 2020-03-31 4.55 2020-04-30 4.47 2020-05-31 3.99 2020-06-30 3.5 2020-07-31 3.25 2020-08-31 3.2 2020-09-30 3.13 2020-10-31 3.07 2020-11-30 3.06 2020-12-31 3.01 2021-01-31 2.98 2021-02-28 2.95 2021-03-31 2.97 2021-04-30 2.94 2021-05-31 3.13 2021-06-30 3.36 2021-07-31 3.42 2021-08-31 3.45 2021-09-30 3.47 2021-10-31 3.49 2021-11-30 3.54 2021-12-31 3.56 2022-01-31 3.58 2022-02-28 3.6 2022-03-31 3.6 2022-04-30 3.62 2022-05-31 3.65 2022-06-30 3.67 2022-07-31 3.68 2022-08-31 3.75 2022-09-30 3.78 2022-10-31 3.84 2022-11-30 3.91 2022-12-31 3.97 2023-01-31 3.99 2023-02-28 4.03 2023-03-31 4.1 2023-04-30 4.13 2023-05-31 4.18 2023-06-30 4.22 2023-07-31 4.26 2023-08-31 4.41 2023-09-30 4.35 2023-10-31 4.37 2023-11-30 4.4 2023-12-31 4.41