Month Percent 2004-01-31 4.14 2004-02-29 4.22 2004-03-31 4.27 2004-04-30 4.33 2004-05-31 4.05 2004-06-30 4.34 2004-07-31 4.31 2004-08-31 4.3 2004-09-30 4.27 2004-10-31 4.36 2004-11-30 4.35 2004-12-31 4.3 2005-01-31 4.31 2005-02-28 4.3 2005-03-31 4.29 2005-04-30 4.26 2005-05-31 4.28 2005-06-30 4.27 2005-07-31 4.22 2005-08-31 4.24 2005-09-30 4.31 2005-10-31 4.54 2005-11-30 4.52 2005-12-31 4.51 2006-01-31 4.52 2006-02-28 4.54 2006-03-31 4.53 2006-04-30 5.06 2006-05-31 4.57 2006-06-30 4.36 2006-07-31 4.35 2006-08-31 4.39 2006-09-30 4.66 2006-10-31 4.41 2006-11-30 4.9 2006-12-31 4.56 2007-01-31 4.58 2007-02-28 4.53 2007-03-31 4.6 2007-04-30 6.54 2007-05-31 4.6 2007-06-30 5.83 2007-07-31 4.75 2007-08-31 5.02 2007-09-30 5.62 2007-10-31 5.16 2007-11-30 5.02 2007-12-31 5.1 2008-01-31 5.95 2008-02-29 4.88 2008-03-31 5.07 2008-04-30 6.07 2008-05-31 5.09 2008-06-30 5.84 2008-07-31 5.2 2008-08-31 6.78 2008-09-30 6.53 2008-10-31 5.38 2008-11-30 6.09 2008-12-31 5.98 2009-01-31 5.34 2009-02-28 5.3 2009-03-31 5.12 2009-04-30 5.83 2009-05-31 4.84 2009-06-30 5 2009-07-31 4.66 2009-08-31 4.37 2009-09-30 4.23 2009-10-31 4.29 2009-11-30 4.16 2009-12-31 4.35 2010-01-31 4.2 2010-02-28 4.21 2010-03-31 4.23 2010-04-30 4.2 2010-05-31 4.03 2010-06-30 4.18 2010-07-31 3.97 2010-08-31 3.99 2010-09-30 3.96 2010-10-31 3.92 2010-11-30 4.01 2010-12-31 3.99 2011-01-31 3.87 2011-02-28 3.83 2011-03-31 3.87 2011-04-30 3.86 2011-05-31 3.86 2011-06-30 3.87 2011-07-31 3.8 2011-08-31 3.79 2011-09-30 3.78 2011-10-31 3.73 2011-11-30 3.78 2011-12-31 3.87 2012-01-31 3.73 2012-02-29 3.66 2012-03-31 3.8 2012-04-30 3.74 2012-05-31 3.73 2012-06-30 3.73 2012-07-31 3.68 2012-08-31 3.72 2012-09-30 3.7 2012-10-31 3.7 2012-11-30 3.74 2012-12-31 3.85 2013-01-31 3.65 2013-02-28 3.63 2013-03-31 3.79 2013-04-30 3.51 2013-05-31 3.48 2013-06-30 3.45 2013-07-31 3.68 2013-08-31 3.33 2013-09-30 3.61 2013-10-31 3.31 2013-11-30 3.69 2013-12-31 3.26 2014-01-31 3.79 2014-02-28 3.17 2014-03-31 3.42 2014-04-30 3.13 2014-05-31 3.46 2014-06-30 3.06 2014-07-31 3.15 2014-08-31 2.91 2014-09-30 2.84 2014-10-31 3 2014-11-30 2.94 2014-12-31 2.84 2015-01-31 2.84 2015-02-28 2.77 2015-03-31 2.73 2015-04-30 2.55 2015-05-31 3.49 2015-06-30 2.8 2015-07-31 4.22 2015-08-31 2.46 2015-09-30 3.06 2015-10-31 2.72 2015-11-30 2.92 2015-12-31 2.48 2016-01-31 2.32 2016-02-29 2.29 2016-03-31 2.28 2016-04-30 2.22 2016-05-31 2.24 2016-06-30 2.24 2016-07-31 2.16 2016-08-31 2.12 2016-09-30 2.08 2016-10-31 2.04 2016-11-30 2 2016-12-31 1.98 2017-01-31 1.94 2017-02-28 1.92 2017-03-31 1.91 2017-04-30 1.89 2017-05-31 1.88 2017-06-30 1.84 2017-07-31 1.82 2017-08-31 1.81 2017-09-30 1.8 2017-10-31 1.79 2017-11-30 1.77 2017-12-31 1.76 2018-01-31 1.76 2018-02-28 1.75 2018-03-31 1.74 2018-04-30 1.74 2018-05-31 1.74 2018-06-30 1.73 2018-07-31 1.83 2018-08-31 1.82 2018-09-30 1.82 2018-10-31 1.8 2018-11-30 1.79 2018-12-31 1.78 2019-01-31 1.76 2019-02-28 1.76 2019-03-31 1.76 2019-04-30 1.76 2019-05-31 1.76 2019-06-30 1.74 2019-07-31 1.74 2019-08-31 1.74 2019-09-30 1.74 2019-10-31 1.74 2019-11-30 1.73 2019-12-31 1.72 2020-01-31 1.72 2020-02-29 1.72 2020-03-31 1.72 2020-04-30 1.71 2020-05-31 1.73 2020-06-30 1.7 2020-07-31 1.69 2020-08-31 1.66 2020-09-30 1.66 2020-10-31 1.65 2020-11-30 1.65 2020-12-31 1.64 2021-01-31 1.63 2021-02-28 1.62 2021-03-31 1.61 2021-04-30 1.6 2021-05-31 1.59 2021-06-30 1.57 2021-07-31 1.56 2021-08-31 1.55 2021-09-30 1.54 2021-10-31 1.53 2021-11-30 1.53 2021-12-31 1.53 2022-01-31 1.48 2022-02-28 1.47 2022-03-31 1.46 2022-04-30 1.46 2022-05-31 1.46 2022-06-30 1.46 2022-07-31 1.51 2022-08-31 1.52 2022-09-30 1.54 2022-10-31 1.63 2022-11-30 1.65 2022-12-31 2 2023-01-31 2.13 2023-02-28 2.2 2023-03-31 2.27 2023-04-30 2.3 2023-05-31 2.45 2023-06-30 2.6 2023-07-31 2.71 2023-08-31 2.84 2023-09-30 2.89 2023-10-31 3.09 2023-11-30 3.2 2023-12-31 3.42