Month Percent 2004-01-31 10.02 2004-02-29 10.27 2004-03-31 10.21 2004-04-30 10.16 2004-05-31 10.21 2004-06-30 10.22 2004-07-31 10.08 2004-08-31 10.08 2004-09-30 10.04 2004-10-31 10.02 2004-11-30 10.01 2004-12-31 10 2005-01-31 9.97 2005-02-28 10 2005-03-31 9.97 2005-04-30 9.95 2005-05-31 9.89 2005-06-30 9.93 2005-07-31 9.92 2005-08-31 9.87 2005-09-30 9.83 2005-10-31 9.78 2005-11-30 9.75 2005-12-31 9.68 2006-01-31 9.66 2006-02-28 9.57 2006-03-31 9.48 2006-04-30 9.44 2006-05-31 9.43 2006-06-30 9.44 2006-07-31 9.39 2006-08-31 9.4 2006-09-30 9.38 2006-10-31 9.32 2006-11-30 9.32 2006-12-31 9.3 2007-01-31 9.18 2007-02-28 9.3 2007-03-31 9.26 2007-04-30 9.14 2007-05-31 9.13 2007-06-30 9.13 2007-07-31 9.19 2007-08-31 9.22 2007-09-30 9.21 2007-10-31 9.2 2007-11-30 9.21 2007-12-31 8.29 2008-01-31 8.32 2008-02-29 8.39 2008-03-31 8.39 2008-04-30 8.45 2008-05-31 8.52 2008-06-30 8.61 2008-07-31 8.67 2008-08-31 8.73 2008-09-30 8.82 2008-10-31 8.78 2008-11-30 8.55 2008-12-31 8.62 2009-01-31 8.7 2009-02-28 8.72 2009-03-31 8.71 2009-04-30 8.76 2009-05-31 8.75 2009-06-30 8.76 2009-07-31 8.75 2009-08-31 8.82 2009-09-30 8.85 2009-10-31 8.69 2009-11-30 8.93 2009-12-31 8.82 2010-01-31 9.15 2010-02-28 9.21 2010-03-31 9.13 2010-04-30 9.09 2010-05-31 9.2 2010-06-30 9.27 2010-07-31 9.3 2010-08-31 9.31 2010-09-30 9.35 2010-10-31 9.41 2010-11-30 9.39 2010-12-31 9.33 2011-01-31 9.22 2011-02-28 9.37 2011-03-31 9.34 2011-04-30 9.31 2011-05-31 9.32 2011-06-30 9.37 2011-07-31 9.37 2011-08-31 9.38 2011-09-30 9.39 2011-10-31 9.35 2011-11-30 9.33 2011-12-31 9.33 2012-01-31 9.42 2012-02-29 9.43 2012-03-31 9.41 2012-04-30 9.45 2012-05-31 9.43 2012-06-30 9.51 2012-07-31 9.46 2012-08-31 9.47 2012-09-30 9.51 2012-10-31 9.52 2012-11-30 9.49 2012-12-31 9.41 2013-01-31 9.5 2013-02-28 9.51 2013-03-31 9.45 2013-04-30 9.49 2013-05-31 9.48 2013-06-30 9.54 2013-07-31 9.5 2013-08-31 9.49 2013-09-30 9.46 2013-10-31 9.38 2013-11-30 9.41 2013-12-31 9.36 2014-01-31 9.16 2014-02-28 9.14 2014-03-31 9.11 2014-04-30 9.06 2014-05-31 9.01 2014-06-30 9.03 2014-07-31 8.88 2014-08-31 8.8 2014-09-30 9.16 2014-10-31 8.82 2014-11-30 8.76 2014-12-31 8.68 2015-01-31 8.9 2015-02-28 8.67 2015-03-31 8.63 2015-04-30 8.58 2015-05-31 8.43 2015-06-30 8.47 2015-07-31 8.82 2015-08-31 8.9 2015-09-30 8.86 2015-10-31 8.81 2015-11-30 8.78 2015-12-31 8.74 2016-01-31 8.94 2016-02-29 8.72 2016-03-31 8.66 2016-04-30 8.62 2016-05-31 8.5 2016-06-30 8.49 2016-07-31 8.42 2016-08-31 8.38 2016-09-30 8.33 2016-10-31 8.3 2016-11-30 8.25 2016-12-31 8.32 2017-01-31 8.3 2017-02-28 8.28 2017-03-31 8.2 2017-04-30 8.21 2017-05-31 8.16 2017-06-30 8.15 2017-07-31 8.08 2017-08-31 8.01 2017-09-30 7.98 2017-10-31 7.99 2017-11-30 7.95 2017-12-31 7.96 2018-01-31 7.72 2018-02-28 7.6 2018-03-31 7.61 2018-04-30 7.62 2018-05-31 7.59 2018-06-30 7.42 2018-07-31 7.44 2018-08-31 7.52 2018-09-30 7.42 2018-10-31 7.48 2018-11-30 7.45 2018-12-31 7.41 2019-01-31 7.45 2019-02-28 7.5 2019-03-31 7.47 2019-04-30 7.43 2019-05-31 7.4 2019-06-30 7.58 2019-07-31 7.53 2019-08-31 7.52 2019-09-30 7.59 2019-10-31 7.53 2019-11-30 7.58 2019-12-31 7.59 2020-01-31 7.63 2020-02-29 7.62 2020-03-31 7.65 2020-04-30 7.65 2020-05-31 7.39 2020-06-30 7.14 2020-07-31 6.97 2020-08-31 6.79 2020-09-30 6.71 2020-10-31 6.59 2020-11-30 6.52 2020-12-31 6.45 2021-01-31 6.36 2021-02-28 6.33 2021-03-31 6.31 2021-04-30 6.22 2021-05-31 6.27 2021-06-30 6.39 2021-07-31 6.35 2021-08-31 6.4 2021-09-30 6.53 2021-10-31 6.5 2021-11-30 6.65 2021-12-31 6.59 2022-01-31 6.72 2022-02-28 6.78 2022-03-31 6.8 2022-04-30 6.84 2022-05-31 6.83 2022-06-30 6.85 2022-07-31 6.86 2022-08-31 6.91 2022-09-30 6.97 2022-10-31 7.1 2022-11-30 7.11 2022-12-31 7.22 2023-01-31 7.3 2023-02-28 7.38 2023-03-31 7.42 2023-04-30 7.51 2023-05-31 7.61 2023-06-30 7.63 2023-07-31 7.69 2023-08-31 7.75 2023-09-30 7.78 2023-10-31 7.8 2023-11-30 7.84 2023-12-31 7.68