Month Percent 2004-01-31 3.43 2004-02-29 3.8 2004-03-31 3.83 2004-04-30 3.78 2004-05-31 4.14 2004-06-30 4.26 2004-07-31 4.28 2004-08-31 4.48 2004-09-30 4.52 2004-10-31 4.49 2004-11-30 4.47 2004-12-31 4.48 2005-01-31 4.47 2005-02-28 4.48 2005-03-31 4.5 2005-04-30 4.53 2005-05-31 4.48 2005-06-30 4.5 2005-07-31 4.45 2005-08-31 4.2 2005-09-30 4.06 2005-10-31 3.94 2005-11-30 3.91 2005-12-31 4.05 2006-01-31 4.23 2006-02-28 4.2 2006-03-31 4.25 2006-04-30 4.26 2006-05-31 4.28 2006-06-30 4.34 2006-07-31 4.31 2006-08-31 4.54 2006-09-30 4.59 2006-10-31 4.62 2006-11-30 4.83 2006-12-31 4.91 2007-01-31 5.02 2007-02-28 5.16 2007-03-31 5.09 2007-04-30 5.17 2007-05-31 5.35 2007-06-30 5.42 2007-07-31 5.61 2007-08-31 5.78 2007-09-30 5.84 2007-10-31 5.65 2007-11-30 5.62 2007-12-31 5.8 2008-01-31 5.29 2008-02-29 5.15 2008-03-31 5.27 2008-04-30 5.12 2008-05-31 5.03 2008-06-30 5.11 2008-07-31 5.05 2008-08-31 4.99 2008-09-30 4.99 2008-10-31 5.01 2008-11-30 3.09 2008-12-31 2.01 2009-01-31 1.37 2009-02-28 1.08 2009-03-31 0.8 2009-04-30 0.68 2009-05-31 0.6 2009-06-30 0.6 2009-07-31 0.52 2009-08-31 0.48 2009-09-30 0.41 2009-10-31 0.43 2009-11-30 0.42 2009-12-31 0.41 2010-01-31 0.43 2010-02-28 0.45 2010-03-31 0.45 2010-04-30 0.46 2010-05-31 0.46 2010-06-30 0.49 2010-07-31 0.49 2010-08-31 0.52 2010-09-30 0.52 2010-10-31 0.51 2010-11-30 0.48 2010-12-31 0.5 2011-01-31 0.51 2011-02-28 0.62 2011-03-31 0.62 2011-04-30 0.55 2011-05-31 0.57 2011-06-30 0.58 2011-07-31 0.58 2011-08-31 0.59 2011-09-30 0.63 2011-10-31 0.65 2011-11-30 0.68 2011-12-31 0.61 2012-01-31 0.73 2012-02-29 0.73 2012-03-31 0.71 2012-04-30 0.84 2012-05-31 0.68 2012-06-30 0.64 2012-07-31 0.7 2012-08-31 0.58 2012-09-30 0.59 2012-10-31 0.56 2012-11-30 0.53 2012-12-31 0.46 2013-01-31 0.44 2013-02-28 0.44 2013-03-31 0.47 2013-04-30 0.55 2013-05-31 0.41 2013-06-30 0.43 2013-07-31 0.43 2013-08-31 0.41 2013-09-30 0.41 2013-10-31 0.43 2013-11-30 0.43 2013-12-31 0.4 2014-01-31 0.45 2014-02-28 0.41 2014-03-31 0.43 2014-04-30 0.56 2014-05-31 0.4 2014-06-30 0.46 2014-07-31 0.43 2014-08-31 0.43 2014-09-30 0.43 2014-10-31 0.43 2014-11-30 0.41 2014-12-31 0.48 2015-01-31 0.42 2015-02-28 0.41 2015-03-31 0.47 2015-04-30 0.47 2015-05-31 0.43 2015-06-30 0.39 2015-07-31 0.43 2015-08-31 0.41 2015-09-30 0.42 2015-10-31 0.42 2015-11-30 0.42 2015-12-31 0.41 2016-01-31 0.57 2016-02-29 0.48 2016-03-31 0.55 2016-04-30 0.57 2016-05-31 0.59 2016-06-30 0.54 2016-07-31 0.53 2016-08-31 0.35 2016-09-30 0.34 2016-10-31 0.4 2016-11-30 0.37 2016-12-31 0.31 2017-01-31 0.37 2017-02-28 0.31 2017-03-31 0.36 2017-04-30 0.27 2017-05-31 0.3 2017-06-30 0.32 2017-07-31 0.26 2017-08-31 0.24 2017-09-30 0.29 2017-10-31 0.31 2017-11-30 0.53 2017-12-31 0.48 2018-01-31 0.46 2018-02-28 0.46 2018-03-31 0.5 2018-04-30 0.54 2018-05-31 0.51 2018-06-30 0.53 2018-07-31 0.51 2018-08-31 0.68 2018-09-30 0.66 2018-10-31 0.71 2018-11-30 0.67 2018-12-31 0.74 2019-01-31 0.78 2019-02-28 0.78 2019-03-31 0.7 2019-04-30 0.79 2019-05-31 0.74 2019-06-30 0.72 2019-07-31 0.73 2019-08-31 0.71 2019-09-30 0.7 2019-10-31 0.7 2019-11-30 0.7 2019-12-31 0.68 2020-01-31 0.65 2020-02-29 0.65 2020-03-31 0.39 2020-04-30 0.37 2020-05-31 0.27 2020-06-30 0.17 2020-07-31 0.18 2020-08-31 0.1 2020-09-30 0.08 2020-10-31 0.08 2020-11-30 0.07 2020-12-31 0.06 2021-01-31 0.08 2021-02-28 0.06 2021-03-31 0.06 2021-04-30 0.07 2021-05-31 0.06 2021-06-30 0.07 2021-07-31 0.07 2021-08-31 0.07 2021-09-30 0.07 2021-10-31 0.1 2021-11-30 0.1 2021-12-31 0.11 2022-01-31 0.2 2022-02-28 0.46 2022-03-31 0.58 2022-04-30 0.7 2022-05-31 0.86 2022-06-30 1.11 2022-07-31 1.27 2022-08-31 1.55 2022-09-30 2.05 2022-10-31 2.36 2022-11-30 2.66 2022-12-31 2.92 2023-01-31 3.11 2023-02-28 3.43 2023-03-31 3.54 2023-04-30 3.7 2023-05-31 3.94 2023-06-30 4.24 2023-07-31 4.58 2023-08-31 4.75 2023-09-30 4.78 2023-10-31 4.73 2023-11-30 4.69 2023-12-31 4.72