Month Percent 2004-01-31 3.77 2004-02-29 3.85 2004-03-31 3.97 2004-04-30 3.97 2004-05-31 4.14 2004-06-30 4.28 2004-07-31 4.44 2004-08-31 4.64 2004-09-30 4.67 2004-10-31 4.74 2004-11-30 4.75 2004-12-31 4.7 2005-01-31 4.71 2005-02-28 4.71 2005-03-31 4.75 2005-04-30 4.78 2005-05-31 4.79 2005-06-30 4.78 2005-07-31 4.75 2005-08-31 4.65 2005-09-30 4.56 2005-10-31 4.54 2005-11-30 4.54 2005-12-31 4.52 2006-01-31 4.52 2006-02-28 4.49 2006-03-31 4.48 2006-04-30 4.47 2006-05-31 4.56 2006-06-30 4.56 2006-07-31 4.57 2006-08-31 4.64 2006-09-30 5.02 2006-10-31 4.75 2006-11-30 4.86 2006-12-31 4.92 2007-01-31 4.92 2007-02-28 5.06 2007-03-31 5.17 2007-04-30 5.22 2007-05-31 5.33 2007-06-30 5.4 2007-07-31 5.54 2007-08-31 5.66 2007-09-30 5.77 2007-10-31 5.75 2007-11-30 5.75 2007-12-31 5.81 2008-01-31 5.75 2008-02-29 5.56 2008-03-31 5.51 2008-04-30 5.5 2008-05-31 5.48 2008-06-30 5.52 2008-07-31 5.61 2008-08-31 5.87 2008-09-30 6.27 2008-10-31 6.02 2008-11-30 5.04 2008-12-31 4.07 2009-01-31 3.54 2009-02-28 3.05 2009-03-31 2.62 2009-04-30 2.42 2009-05-31 2.27 2009-06-30 2.17 2009-07-31 2.06 2009-08-31 1.99 2009-09-30 1.93 2009-10-31 1.06 2009-11-30 1 2009-12-31 0.99 2010-01-31 1.4 2010-02-28 1.42 2010-03-31 1.51 2010-04-30 1.53 2010-05-31 1.42 2010-06-30 1.28 2010-07-31 1.23 2010-08-31 1.25 2010-09-30 1.26 2010-10-31 1.27 2010-11-30 1.28 2010-12-31 1.3 2011-01-31 1.32 2011-02-28 1.35 2011-03-31 1.43 2011-04-30 1.45 2011-05-31 1.43 2011-06-30 1.42 2011-07-31 1.39 2011-08-31 1.41 2011-09-30 1.42 2011-10-31 1.43 2011-11-30 1.45 2011-12-31 1.44 2012-01-31 1.56 2012-02-29 1.64 2012-03-31 1.7 2012-04-30 1.74 2012-05-31 1.74 2012-06-30 1.68 2012-07-31 1.71 2012-08-31 1.71 2012-09-30 1.71 2012-10-31 1.71 2012-11-30 1.7 2012-12-31 1.68 2013-01-31 1.61 2013-02-28 1.53 2013-03-31 1.44 2013-04-30 1.35 2013-05-31 1.24 2013-06-30 1.16 2013-07-31 1.03 2013-08-31 1 2013-09-30 0.97 2013-10-31 0.93 2013-11-30 0.9 2013-12-31 0.9 2014-01-31 0.9 2014-02-28 0.9 2014-03-31 0.9 2014-04-30 0.86 2014-05-31 0.84 2014-06-30 0.83 2014-07-31 0.82 2014-08-31 0.82 2014-09-30 0.84 2014-10-31 0.84 2014-11-30 0.84 2014-12-31 0.85 2015-01-31 0.84 2015-02-28 0.85 2015-03-31 0.85 2015-04-30 0.84 2015-05-31 0.84 2015-06-30 0.84 2015-07-31 0.83 2015-08-31 0.83 2015-09-30 0.84 2015-10-31 0.84 2015-11-30 0.84 2015-12-31 0.83 2016-01-31 0.85 2016-02-29 0.84 2016-03-31 0.87 2016-04-30 0.87 2016-05-31 0.87 2016-06-30 0.87 2016-07-31 0.87 2016-08-31 0.82 2016-09-30 0.8 2016-10-31 0.79 2016-11-30 0.77 2016-12-31 0.75 2017-01-31 0.74 2017-02-28 0.73 2017-03-31 0.74 2017-04-30 0.74 2017-05-31 0.72 2017-06-30 0.7 2017-07-31 0.67 2017-08-31 0.62 2017-09-30 0.6 2017-10-31 0.59 2017-11-30 0.63 2017-12-31 0.65 2018-01-31 0.66 2018-02-28 0.68 2018-03-31 0.72 2018-04-30 0.76 2018-05-31 0.78 2018-06-30 0.78 2018-07-31 0.78 2018-08-31 0.85 2018-09-30 0.85 2018-10-31 0.88 2018-11-30 0.9 2018-12-31 0.92 2019-01-31 0.94 2019-02-28 0.96 2019-03-31 0.98 2019-04-30 1.02 2019-05-31 1.04 2019-06-30 1.01 2019-07-31 1.01 2019-08-31 1.03 2019-09-30 0.98 2019-10-31 1.01 2019-11-30 1.01 2019-12-31 1.01 2020-01-31 0.99 2020-02-29 0.99 2020-03-31 0.91 2020-04-30 0.81 2020-05-31 0.78 2020-06-30 0.71 2020-07-31 0.59 2020-08-31 0.5 2020-09-30 0.45 2020-10-31 0.41 2020-11-30 0.35 2020-12-31 0.28 2021-01-31 0.23 2021-02-28 0.19 2021-03-31 0.16 2021-04-30 0.14 2021-05-31 0.13 2021-06-30 0.12 2021-07-31 0.11 2021-08-31 0.11 2021-09-30 0.1 2021-10-31 0.11 2021-11-30 0.12 2021-12-31 0.13 2022-01-31 0.16 2022-02-28 0.24 2022-03-31 0.33 2022-04-30 0.46 2022-05-31 0.6 2022-06-30 0.75 2022-07-31 0.99 2022-08-31 1.3 2022-09-30 1.53 2022-10-31 1.93 2022-11-30 2.45 2022-12-31 2.68 2023-01-31 2.91 2023-02-28 3.18 2023-03-31 3.36 2023-04-30 3.48 2023-05-31 3.67 2023-06-30 3.92 2023-07-31 4.22 2023-08-31 4.45 2023-09-30 4.59 2023-10-31 4.74 2023-11-30 4.69 2023-12-31 4.7