Month Percent 2004-01-31 3.68 2004-02-29 3.66 2004-03-31 3.74 2004-04-30 3.83 2004-05-31 3.91 2004-06-30 4.17 2004-07-31 4.21 2004-08-31 4.32 2004-09-30 4.48 2004-10-31 4.47 2004-11-30 4.57 2004-12-31 4.55 2005-01-31 4.6 2005-02-28 4.59 2005-03-31 4.64 2005-04-30 4.59 2005-05-31 4.61 2005-06-30 4.58 2005-07-31 4.55 2005-08-31 4.51 2005-09-30 4.39 2005-10-31 4.36 2005-11-30 4.33 2005-12-31 4.31 2006-01-31 4.36 2006-02-28 4.31 2006-03-31 4.32 2006-04-30 4.31 2006-05-31 4.4 2006-06-30 4.36 2006-07-31 4.4 2006-08-31 4.48 2006-09-30 4.58 2006-10-31 4.62 2006-11-30 4.69 2006-12-31 4.78 2007-01-31 4.83 2007-02-28 4.96 2007-03-31 5.02 2007-04-30 5.05 2007-05-31 5.12 2007-06-30 5.21 2007-07-31 5.28 2007-08-31 5.42 2007-09-30 5.56 2007-10-31 5.61 2007-11-30 5.61 2007-12-31 5.7 2008-01-31 5.63 2008-02-29 5.53 2008-03-31 5.49 2008-04-30 5.47 2008-05-31 5.49 2008-06-30 5.55 2008-07-31 5.58 2008-08-31 5.64 2008-09-30 5.6 2008-10-31 5.63 2008-11-30 5.42 2008-12-31 4.95 2009-01-31 4.76 2009-02-28 4.59 2009-03-31 4.38 2009-04-30 4.11 2009-05-31 3.8 2009-06-30 3.64 2009-07-31 3.42 2009-08-31 3.14 2009-09-30 3.05 2009-10-31 2.84 2009-11-30 2.65 2009-12-31 2.48 2010-01-31 2.46 2010-02-28 2.44 2010-03-31 2.37 2010-04-30 2.43 2010-05-31 2.34 2010-06-30 2.23 2010-07-31 2.13 2010-08-31 2.05 2010-09-30 1.95 2010-10-31 1.86 2010-11-30 1.82 2010-12-31 1.79 2011-01-31 2.38 2011-02-28 2.43 2011-03-31 2.42 2011-04-30 2.34 2011-05-31 2.41 2011-06-30 2.59 2011-07-31 2.69 2011-08-31 2.76 2011-09-30 2.72 2011-10-31 2.91 2011-11-30 3.11 2011-12-31 2.93 2012-01-31 2.91 2012-02-29 2.93 2012-03-31 2.9 2012-04-30 2.98 2012-05-31 2.79 2012-06-30 2.8 2012-07-31 2.77 2012-08-31 2.79 2012-09-30 2.78 2012-10-31 2.75 2012-11-30 2.72 2012-12-31 2.76 2013-01-31 2.63 2013-02-28 2.64 2013-03-31 2.58 2013-04-30 2.55 2013-05-31 2.47 2013-06-30 2.36 2013-07-31 2.25 2013-08-31 2.14 2013-09-30 2.08 2013-10-31 2.01 2013-11-30 1.87 2013-12-31 1.78 2014-01-31 1.7 2014-02-28 1.68 2014-03-31 1.62 2014-04-30 1.59 2014-05-31 1.56 2014-06-30 1.54 2014-07-31 1.49 2014-08-31 1.45 2014-09-30 1.43 2014-10-31 1.45 2014-11-30 1.45 2014-12-31 1.36 2015-01-31 1.36 2015-02-28 1.39 2015-03-31 1.35 2015-04-30 1.34 2015-05-31 1.34 2015-06-30 1.34 2015-07-31 1.34 2015-08-31 1.35 2015-09-30 1.34 2015-10-31 1.34 2015-11-30 1.33 2015-12-31 1.32 2016-01-31 1.34 2016-02-29 1.37 2016-03-31 1.35 2016-04-30 1.31 2016-05-31 1.3 2016-06-30 1.27 2016-07-31 1.26 2016-08-31 1.23 2016-09-30 1.2 2016-10-31 1.17 2016-11-30 1.11 2016-12-31 1.06 2017-01-31 1.01 2017-02-28 0.97 2017-03-31 0.92 2017-04-30 0.88 2017-05-31 0.86 2017-06-30 0.86 2017-07-31 0.83 2017-08-31 0.81 2017-09-30 0.81 2017-10-31 0.83 2017-11-30 0.84 2017-12-31 0.86 2018-01-31 0.88 2018-02-28 0.9 2018-03-31 0.9 2018-04-30 0.9 2018-05-31 0.91 2018-06-30 0.94 2018-07-31 0.93 2018-08-31 0.95 2018-09-30 0.96 2018-10-31 0.98 2018-11-30 1 2018-12-31 1.02 2019-01-31 1.03 2019-02-28 1.07 2019-03-31 1.09 2019-04-30 1.11 2019-05-31 1.13 2019-06-30 1.14 2019-07-31 1.15 2019-08-31 1.14 2019-09-30 1.14 2019-10-31 1.14 2019-11-30 1.12 2019-12-31 1.12 2020-01-31 1.08 2020-02-29 1.06 2020-03-31 1.06 2020-04-30 0.99 2020-05-31 0.96 2020-06-30 0.94 2020-07-31 0.9 2020-08-31 0.87 2020-09-30 0.81 2020-10-31 0.77 2020-11-30 0.74 2020-12-31 0.7 2021-01-31 0.65 2021-02-28 0.6 2021-03-31 0.56 2021-04-30 0.5 2021-05-31 0.46 2021-06-30 0.42 2021-07-31 0.4 2021-08-31 0.39 2021-09-30 0.38 2021-10-31 0.38 2021-11-30 0.37 2021-12-31 0.37 2022-01-31 0.37 2022-02-28 0.39 2022-03-31 0.43 2022-04-30 0.49 2022-05-31 0.57 2022-06-30 0.69 2022-07-31 0.82 2022-08-31 0.97 2022-09-30 1.2 2022-10-31 1.65 2022-11-30 2.08 2022-12-31 2.38 2023-01-31 2.65 2023-02-28 2.86 2023-03-31 3.05 2023-04-30 3.3 2023-05-31 3.42 2023-06-30 3.56 2023-07-31 3.78 2023-08-31 4.07 2023-09-30 4.26 2023-10-31 4.43 2023-11-30 4.58 2023-12-31 4.71