Month Percent 1999-01-31 5.81 1999-02-28 5.4 1999-03-31 5.15 1999-04-30 4.97 1999-05-31 4.93 1999-06-30 4.75 1999-07-31 4.66 1999-08-31 4.59 1999-09-30 4.63 1999-10-31 4.81 1999-11-30 4.94 1999-12-31 4.89 2000-01-31 5 2000-02-29 5.31 2000-03-31 5.36 2000-04-30 5.46 2000-05-31 5.47 2000-06-30 5.51 2000-07-31 5.54 2000-08-31 5.51 2000-09-30 5.48 2000-10-31 5.45 2000-11-30 5.42 2000-12-31 5.34 2001-01-31 5.31 2001-02-28 5.29 2001-03-31 5.06 2001-04-30 4.96 2001-05-31 4.83 2001-06-30 4.71 2001-07-31 4.68 2001-08-31 4.59 2001-09-30 4.48 2001-10-31 4.19 2001-11-30 3.83 2001-12-31 3.77 2002-01-31 3.66 2002-02-28 3.62 2002-03-31 3.62 2002-04-30 3.65 2002-05-31 3.67 2002-06-30 3.66 2002-07-31 3.66 2002-08-31 3.7 2002-09-30 3.67 2002-10-31 3.63 2002-11-30 3.64 2002-12-31 3.65 2003-01-31 3.65 2003-02-28 3.57 2003-03-31 3.48 2003-04-30 3.51 2003-05-31 3.48 2003-06-30 3.39 2003-07-31 3.28 2003-08-31 3.22 2003-09-30 3.24 2003-10-31 3.24 2003-11-30 3.3 2003-12-31 3.38 2004-01-31 3.38 2004-02-29 3.46 2004-03-31 3.68 2004-04-30 3.62 2004-05-31 3.79 2004-06-30 4.04 2004-07-31 4.11 2004-08-31 4.3 2004-09-30 4.45 2004-10-31 4.43 2004-11-30 4.44 2004-12-31 4.43 2005-01-31 4.44 2005-02-28 4.45 2005-03-31 4.43 2005-04-30 4.48 2005-05-31 4.47 2005-06-30 4.47 2005-07-31 4.43 2005-08-31 4.31 2005-09-30 4.23 2005-10-31 4.17 2005-11-30 4.24 2005-12-31 4.2 2006-01-31 4.25 2006-02-28 4.2 2006-03-31 4.21 2006-04-30 4.2 2006-05-31 4.24 2006-06-30 4.26 2006-07-31 4.27 2006-08-31 4.39 2006-09-30 4.46 2006-10-31 4.53 2006-11-30 4.63 2006-12-31 4.72 2007-01-31 4.8 2007-02-28 4.93 2007-03-31 4.96 2007-04-30 4.99 2007-05-31 5.11 2007-06-30 5.24 2007-07-31 5.35 2007-08-31 5.51 2007-09-30 5.71 2007-10-31 5.66 2007-11-30 5.61 2007-12-31 5.7 2008-01-31 5.51 2008-02-29 5.25 2008-03-31 5.2 2008-04-30 5.17 2008-05-31 5.13 2008-06-30 5.15 2008-07-31 5.18 2008-08-31 5.17 2008-09-30 5.15 2008-10-31 5.16 2008-11-30 4.55 2008-12-31 3.51 2009-01-31 2.74 2009-02-28 2.28 2009-03-31 1.94 2009-04-30 1.7 2009-05-31 1.59 2009-06-30 1.47 2009-07-31 1.32 2009-08-31 1.26 2009-09-30 1.21 2009-10-31 1.13 2009-11-30 1.06 2009-12-31 1.05 2010-01-31 1.06 2010-02-28 1.06 2010-03-31 1.07 2010-04-30 1.1 2010-05-31 1.1 2010-06-30 1.12 2010-07-31 1.14 2010-08-31 1.15 2010-09-30 1.16 2010-10-31 1.13 2010-11-30 1.19 2010-12-31 1.19 2011-01-31 1.21 2011-02-28 1.23 2011-03-31 1.24 2011-04-30 1.28 2011-05-31 1.3 2011-06-30 1.31 2011-07-31 1.31 2011-08-31 1.36 2011-09-30 1.36 2011-10-31 1.38 2011-11-30 1.37 2011-12-31 1.33 2012-01-31 1.41 2012-02-29 1.45 2012-03-31 1.47 2012-04-30 1.53 2012-05-31 1.54 2012-06-30 1.55 2012-07-31 1.57 2012-08-31 1.57 2012-09-30 1.61 2012-10-31 1.59 2012-11-30 1.56 2012-12-31 1.49 2013-01-31 1.45 2013-02-28 1.42 2013-03-31 1.37 2013-04-30 1.3 2013-05-31 1.24 2013-06-30 1.19 2013-07-31 1.15 2013-08-31 1.12 2013-09-30 1.09 2013-10-31 1.04 2013-11-30 1.02 2013-12-31 0.95 2014-01-31 0.84 2014-02-28 0.83 2014-03-31 0.81 2014-04-30 0.78 2014-05-31 0.75 2014-06-30 0.72 2014-07-31 0.72 2014-08-31 0.73 2014-09-30 0.71 2014-10-31 0.7 2014-11-30 0.68 2014-12-31 0.68 2015-01-31 0.68 2015-02-28 0.68 2015-03-31 0.67 2015-04-30 0.66 2015-05-31 0.65 2015-06-30 0.66 2015-07-31 0.66 2015-08-31 0.65 2015-09-30 0.67 2015-10-31 0.68 2015-11-30 0.67 2015-12-31 0.66 2016-01-31 0.66 2016-02-29 0.7 2016-03-31 0.67 2016-04-30 0.69 2016-05-31 0.67 2016-06-30 0.67 2016-07-31 0.67 2016-08-31 0.62 2016-09-30 0.58 2016-10-31 0.61 2016-11-30 0.58 2016-12-31 0.56 2017-01-31 0.53 2017-02-28 0.52 2017-03-31 0.51 2017-04-30 0.51 2017-05-31 0.49 2017-06-30 0.49 2017-07-31 0.46 2017-08-31 0.44 2017-09-30 0.42 2017-10-31 0.43 2017-11-30 0.49 2017-12-31 0.5 2018-01-31 0.57 2018-02-28 0.56 2018-03-31 0.58 2018-04-30 0.62 2018-05-31 0.63 2018-06-30 0.61 2018-07-31 0.61 2018-08-31 0.71 2018-09-30 0.72 2018-10-31 0.75 2018-11-30 0.76 2018-12-31 0.78 2019-01-31 0.81 2019-02-28 0.82 2019-03-31 0.82 2019-04-30 0.84 2019-05-31 0.85 2019-06-30 0.83 2019-07-31 0.84 2019-08-31 0.86 2019-09-30 0.84 2019-10-31 0.86 2019-11-30 0.85 2019-12-31 0.85 2020-01-31 0.84 2020-02-29 0.83 2020-03-31 0.71 2020-04-30 0.56 2020-05-31 0.52 2020-06-30 0.44 2020-07-31 0.36 2020-08-31 0.31 2020-09-30 0.29 2020-10-31 0.27 2020-11-30 0.24 2020-12-31 0.22 2021-01-31 0.2 2021-02-28 0.2 2021-03-31 0.19 2021-04-30 0.18 2021-05-31 0.17 2021-06-30 0.17 2021-07-31 0.16 2021-08-31 0.15 2021-09-30 0.14 2021-10-31 0.15 2021-11-30 0.14 2021-12-31 0.17 2022-01-31 0.18 2022-02-28 0.29 2022-03-31 0.41 2022-04-30 0.56 2022-05-31 0.7 2022-06-30 0.82 2022-07-31 1.01 2022-08-31 1.26 2022-09-30 1.5 2022-10-31 1.94 2022-11-30 2.38 2022-12-31 2.7 2023-01-31 2.92 2023-02-28 3.17 2023-03-31 3.34 2023-04-30 3.51 2023-05-31 3.72 2023-06-30 3.88 2023-07-31 4.22 2023-08-31 4.48 2023-09-30 4.59 2023-10-31 4.64 2023-11-30 4.66 2023-12-31 4.65