Month Percent 2004-01-31 4.78 2004-02-29 4.91 2004-03-31 5.05 2004-04-30 4.97 2004-05-31 5.07 2004-06-30 5.17 2004-07-31 5.23 2004-08-31 5.36 2004-09-30 5.46 2004-10-31 5.43 2004-11-30 5.42 2004-12-31 5.41 2005-01-31 5.37 2005-02-28 5.35 2005-03-31 5.34 2005-04-30 5.35 2005-05-31 5.34 2005-06-30 5.31 2005-07-31 5.2 2005-08-31 5.02 2005-09-30 4.84 2005-10-31 4.78 2005-11-30 4.75 2005-12-31 4.75 2006-01-31 4.83 2006-02-28 4.89 2006-03-31 4.89 2006-04-30 4.9 2006-05-31 4.88 2006-06-30 4.92 2006-07-31 4.99 2006-08-31 5.12 2006-09-30 5.18 2006-10-31 5.2 2006-11-30 5.18 2006-12-31 5.15 2007-01-31 5.2 2007-02-28 5.29 2007-03-31 5.33 2007-04-30 5.38 2007-05-31 5.42 2007-06-30 5.48 2007-07-31 5.58 2007-08-31 5.74 2007-09-30 5.89 2007-10-31 5.95 2007-11-30 5.98 2007-12-31 5.95 2008-01-31 5.92 2008-02-29 5.88 2008-03-31 5.78 2008-04-30 5.76 2008-05-31 5.79 2008-06-30 5.94 2008-07-31 6.06 2008-08-31 6.12 2008-09-30 6.19 2008-10-31 6.06 2008-11-30 5.99 2008-12-31 5.61 2009-01-31 5.23 2009-02-28 5.09 2009-03-31 4.86 2009-04-30 4.81 2009-05-31 4.73 2009-06-30 4.59 2009-07-31 4.64 2009-08-31 4.73 2009-09-30 4.77 2009-10-31 4.84 2009-11-30 4.91 2009-12-31 4.85 2010-01-31 4.78 2010-02-28 4.61 2010-03-31 4.73 2010-04-30 4.73 2010-05-31 4.62 2010-06-30 4.56 2010-07-31 4.53 2010-08-31 4.43 2010-09-30 4.4 2010-10-31 4.34 2010-11-30 4.31 2010-12-31 4.26 2011-01-31 4.15 2011-02-28 4.13 2011-03-31 4.22 2011-04-30 4.34 2011-05-31 4.37 2011-06-30 4.41 2011-07-31 4.29 2011-08-31 4.14 2011-09-30 3.98 2011-10-31 3.88 2011-11-30 3.7 2011-12-31 3.76 2012-01-31 3.72 2012-02-29 3.84 2012-03-31 3.98 2012-04-30 3.97 2012-05-31 4.04 2012-06-30 4.17 2012-07-31 4.21 2012-08-31 4.24 2012-09-30 4.09 2012-10-31 3.99 2012-11-30 3.94 2012-12-31 3.82 2013-01-31 3.65 2013-02-28 3.6 2013-03-31 3.52 2013-04-30 3.4 2013-05-31 3.37 2013-06-30 3.33 2013-07-31 3.25 2013-08-31 3.26 2013-09-30 3.15 2013-10-31 3.11 2013-11-30 3.12 2013-12-31 3.14 2014-01-31 3.09 2014-02-28 3.14 2014-03-31 3.16 2014-04-30 3.16 2014-05-31 3.23 2014-06-30 3.22 2014-07-31 3.31 2014-08-31 3.32 2014-09-30 3.33 2014-10-31 3.3 2014-11-30 3.23 2014-12-31 3.14 2015-01-31 2.96 2015-02-28 2.94 2015-03-31 2.83 2015-04-30 2.78 2015-05-31 2.73 2015-06-30 2.67 2015-07-31 2.68 2015-08-31 2.67 2015-09-30 2.65 2015-10-31 2.6 2015-11-30 2.62 2015-12-31 2.61 2016-01-31 2.53 2016-02-29 2.57 2016-03-31 2.54 2016-04-30 2.47 2016-05-31 2.47 2016-06-30 2.45 2016-07-31 2.35 2016-08-31 2.38 2016-09-30 2.34 2016-10-31 2.23 2016-11-30 2.22 2016-12-31 2.18 2017-01-31 2.06 2017-02-28 2.13 2017-03-31 2.13 2017-04-30 2.06 2017-05-31 2.07 2017-06-30 2.07 2017-07-31 1.99 2017-08-31 2.02 2017-09-30 1.99 2017-10-31 1.94 2017-11-30 2 2017-12-31 2.02 2018-01-31 2.02 2018-02-28 2.05 2018-03-31 2.05 2018-04-30 2.08 2018-05-31 2.11 2018-06-30 2.13 2018-07-31 2.12 2018-08-31 2.13 2018-09-30 2.12 2018-10-31 2.12 2018-11-30 2.14 2018-12-31 2.14 2019-01-31 2.1 2019-02-28 2.1 2019-03-31 2.11 2019-04-30 2.09 2019-05-31 2.08 2019-06-30 2.02 2019-07-31 2.04 2019-08-31 2.05 2019-09-30 2.01 2019-10-31 1.96 2019-11-30 1.87 2019-12-31 1.87 2020-01-31 1.85 2020-02-29 1.8 2020-03-31 1.83 2020-04-30 1.79 2020-05-31 1.75 2020-06-30 1.8 2020-07-31 1.76 2020-08-31 1.74 2020-09-30 1.75 2020-10-31 1.79 2020-11-30 1.84 2020-12-31 1.91 2021-01-31 1.85 2021-02-28 1.92 2021-03-31 1.96 2021-04-30 1.88 2021-05-31 1.9 2021-06-30 1.95 2021-07-31 1.83 2021-08-31 1.82 2021-09-30 1.78 2021-10-31 1.58 2021-11-30 1.49 2021-12-31 1.58 2022-01-31 1.58 2022-02-28 1.59 2022-03-31 1.73 2022-04-30 1.81 2022-05-31 1.95 2022-06-30 2.14 2022-07-31 2.32 2022-08-31 2.55 2022-09-30 2.83 2022-10-31 3.09 2022-11-30 3.34 2022-12-31 3.63 2023-01-31 3.82 2023-02-28 4.2 2023-03-31 4.32 2023-04-30 4.41 2023-05-31 4.47 2023-06-30 4.53 2023-07-31 4.58 2023-08-31 4.74 2023-09-30 4.93 2023-10-31 5.16 2023-11-30 5.28 2023-12-31 5.21