Month Percent 2004-01-31 3.92 2004-02-29 3.99 2004-03-31 4.03 2004-04-30 4.12 2004-05-31 4.19 2004-06-30 4.34 2004-07-31 4.51 2004-08-31 4.6 2004-09-30 4.68 2004-10-31 4.77 2004-11-30 4.79 2004-12-31 4.78 2005-01-31 4.73 2005-02-28 4.73 2005-03-31 4.6 2005-04-30 4.72 2005-05-31 4.62 2005-06-30 4.64 2005-07-31 4.59 2005-08-31 4.5 2005-09-30 4.59 2005-10-31 4.56 2005-11-30 4.56 2005-12-31 4.54 2006-01-31 4.55 2006-02-28 4.53 2006-03-31 4.52 2006-04-30 4.69 2006-05-31 4.76 2006-06-30 4.82 2006-07-31 4.75 2006-08-31 4.82 2006-09-30 4.93 2006-10-31 4.93 2006-11-30 5 2006-12-31 5.08 2007-01-31 5.18 2007-02-28 5.29 2007-03-31 5.3 2007-04-30 5.41 2007-05-31 5.44 2007-06-30 5.54 2007-07-31 5.73 2007-08-31 5.82 2007-09-30 5.99 2007-10-31 5.95 2007-11-30 5.99 2007-12-31 6.01 2008-01-31 5.85 2008-02-29 5.58 2008-03-31 5.58 2008-04-30 5.52 2008-05-31 5.55 2008-06-30 5.6 2008-07-31 5.62 2008-08-31 5.64 2008-09-30 5.66 2008-10-31 5.71 2008-11-30 5.29 2008-12-31 4.79 2009-01-31 4.21 2009-02-28 3.13 2009-03-31 3.16 2009-04-30 2.21 2009-05-31 1.96 2009-06-30 1.84 2009-07-31 1.5 2009-08-31 1.5 2009-09-30 1.46 2009-10-31 1.57 2009-11-30 1.46 2009-12-31 1.41 2010-01-31 1.45 2010-02-28 1.48 2010-03-31 1.53 2010-04-30 1.49 2010-05-31 1.52 2010-06-30 1.63 2010-07-31 1.72 2010-08-31 1.65 2010-09-30 1.51 2010-10-31 1.16 2010-11-30 1.2 2010-12-31 1.18 2011-01-31 1.17 2011-02-28 1.12 2011-03-31 1.12 2011-04-30 1.43 2011-05-31 1.54 2011-06-30 1.61 2011-07-31 1.72 2011-08-31 1.72 2011-09-30 1.71 2011-10-31 1.83 2011-11-30 1.88 2011-12-31 1.84 2012-01-31 1.84 2012-02-29 1.83 2012-03-31 1.83 2012-04-30 1.91 2012-05-31 1.87 2012-06-30 1.93 2012-07-31 1.95 2012-08-31 1.89 2012-09-30 1.85 2012-10-31 1.63 2012-11-30 1.66 2012-12-31 1.48 2013-01-31 1.42 2013-02-28 1.37 2013-03-31 1.39 2013-04-30 1.4 2013-05-31 1.21 2013-06-30 1.09 2013-07-31 1.1 2013-08-31 1.07 2013-09-30 1.06 2013-10-31 1.12 2013-11-30 0.76 2013-12-31 0.74 2014-01-31 0.76 2014-02-28 0.7 2014-03-31 0.63 2014-04-30 0.43 2014-05-31 0.41 2014-06-30 0.41 2014-07-31 0.41 2014-08-31 0.47 2014-09-30 0.51 2014-10-31 0.63 2014-11-30 0.62 2014-12-31 0.64 2015-01-31 0.67 2015-02-28 0.68 2015-03-31 0.75 2015-04-30 0.81 2015-05-31 0.74 2015-06-30 0.81 2015-07-31 0.86 2015-08-31 0.82 2015-09-30 0.74 2015-10-31 0.78 2015-11-30 0.7 2015-12-31 0.69 2016-01-31 0.81 2016-02-29 0.81 2016-03-31 0.77 2016-04-30 0.79 2016-05-31 0.77 2016-06-30 0.73 2016-07-31 0.66 2016-08-31 0.66 2016-09-30 0.62 2016-10-31 0.68 2016-11-30 0.55 2016-12-31 0.56 2017-01-31 0.57 2017-02-28 0.57 2017-03-31 0.53 2017-04-30 0.52 2017-05-31 0.46 2017-06-30 0.45 2017-07-31 0.44 2017-08-31 0.43 2017-09-30 0.43 2017-10-31 0.44 2017-11-30 0.48 2017-12-31 0.54 2018-01-31 0.57 2018-02-28 0.59 2018-03-31 0.61 2018-04-30 0.66 2018-05-31 0.69 2018-06-30 0.7 2018-07-31 0.71 2018-08-31 0.73 2018-09-30 0.76 2018-10-31 0.81 2018-11-30 0.82 2018-12-31 0.94 2019-01-31 0.95 2019-02-28 0.96 2019-03-31 0.98 2019-04-30 1.01 2019-05-31 1.04 2019-06-30 1.03 2019-07-31 1.01 2019-08-31 0.99 2019-09-30 0.98 2019-10-31 0.99 2019-11-30 0.97 2019-12-31 0.89 2020-01-31 0.9 2020-02-29 0.88 2020-03-31 0.77 2020-04-30 0.69 2020-05-31 0.54 2020-06-30 0.59 2020-07-31 0.54 2020-08-31 0.5 2020-09-30 0.4 2020-10-31 0.36 2020-11-30 0.35 2020-12-31 0.33 2021-01-31 0.32 2021-02-28 0.31 2021-03-31 0.33 2021-04-30 0.25 2021-05-31 0.18 2021-06-30 0.16 2021-07-31 0.16 2021-08-31 0.14 2021-09-30 0.15 2021-10-31 0.15 2021-11-30 0.13 2021-12-31 0.11 2022-01-31 0.19 2022-02-28 0.34 2022-03-31 0.48 2022-04-30 1.12 2022-05-31 1.22 2022-06-30 1.23 2022-07-31 1.29 2022-08-31 1.34 2022-09-30 1.39 2022-10-31 1.55 2022-11-30 1.78 2022-12-31 1.91 2023-01-31 2.34 2023-02-28 2.64 2023-03-31 3.03 2023-04-30 3.51 2023-05-31 3.56 2023-06-30 3.64 2023-07-31 3.81 2023-08-31 3.92 2023-09-30 4.01 2023-10-31 4.03 2023-11-30 4.04 2023-12-31 4.04