Month Percent 1999-01-31 5.41 1999-02-28 5.13 1999-03-31 4.92 1999-04-30 4.87 1999-05-31 4.85 1999-06-30 4.8 1999-07-31 4.83 1999-08-31 4.84 1999-09-30 4.85 1999-10-31 4.93 1999-11-30 5.01 1999-12-31 5.06 2000-01-31 5.14 2000-02-29 5.29 2000-03-31 5.4 2000-04-30 5.45 2000-05-31 5.48 2000-06-30 5.51 2000-07-31 5.52 2000-08-31 5.54 2000-09-30 5.55 2000-10-31 5.56 2000-11-30 5.57 2000-12-31 5.56 2001-01-31 5.56 2001-02-28 5.72 2001-03-31 5.43 2001-04-30 5.41 2001-05-31 5.27 2001-06-30 5.08 2001-07-31 5.04 2001-08-31 5.09 2001-09-30 4.85 2001-10-31 4.64 2001-11-30 4.39 2001-12-31 4.14 2002-01-31 4.19 2002-02-28 4.09 2002-03-31 3.99 2002-04-30 3.99 2002-05-31 4.05 2002-06-30 3.96 2002-07-31 3.94 2002-08-31 3.74 2002-09-30 3.73 2002-10-31 3.72 2002-11-30 3.66 2002-12-31 3.68 2003-01-31 3.68 2003-02-28 3.66 2003-03-31 3.54 2003-04-30 3.56 2003-05-31 3.53 2003-06-30 3.53 2003-07-31 3.47 2003-08-31 3.41 2003-09-30 3.44 2003-10-31 3.42 2003-11-30 3.43 2003-12-31 3.44 2004-01-31 3.33 2004-02-29 3.36 2004-03-31 3.47 2004-04-30 3.54 2004-05-31 3.59 2004-06-30 3.85 2004-07-31 4.01 2004-08-31 4.03 2004-09-30 4.17 2004-10-31 4.19 2004-11-30 4.22 2004-12-31 4.22 2005-01-31 4.25 2005-02-28 4.25 2005-03-31 4.25 2005-04-30 4.24 2005-05-31 4.26 2005-06-30 4.26 2005-07-31 4.25 2005-08-31 4.22 2005-09-30 4.08 2005-10-31 4.09 2005-11-30 4.08 2005-12-31 4.07 2006-01-31 4.1 2006-02-28 4.09 2006-03-31 4.13 2006-04-30 4.16 2006-05-31 4.1 2006-06-30 4.06 2006-07-31 4.07 2006-08-31 4.11 2006-09-30 4.27 2006-10-31 4.27 2006-11-30 4.35 2006-12-31 4.46 2007-01-31 4.58 2007-02-28 4.69 2007-03-31 4.68 2007-04-30 4.82 2007-05-31 4.73 2007-06-30 4.95 2007-07-31 4.94 2007-08-31 5.09 2007-09-30 5.2 2007-10-31 5.2 2007-11-30 5.19 2007-12-31 5.2 2008-01-31 5.13 2008-02-29 5.05 2008-03-31 4.94 2008-04-30 4.99 2008-05-31 4.86 2008-06-30 4.93 2008-07-31 4.93 2008-08-31 5.03 2008-09-30 5.02 2008-10-31 5.02 2008-11-30 4.75 2008-12-31 4.02 2009-01-31 3.51 2009-02-28 3.28 2009-03-31 3.04 2009-04-30 2.93 2009-05-31 2.76 2009-06-30 2.74 2009-07-31 2.63 2009-08-31 2.58 2009-09-30 2.54 2009-10-31 2.53 2009-11-30 2.5 2009-12-31 2.45 2010-01-31 2.52 2010-02-28 2.53 2010-03-31 2.56 2010-04-30 2.59 2010-05-31 2.57 2010-06-30 2.59 2010-07-31 2.55 2010-08-31 2.55 2010-09-30 2.55 2010-10-31 2.57 2010-11-30 2.58 2010-12-31 2.58 2011-01-31 2.54 2011-02-28 2.54 2011-03-31 2.57 2011-04-30 2.63 2011-05-31 2.65 2011-06-30 2.69 2011-07-31 2.69 2011-08-31 2.71 2011-09-30 2.71 2011-10-31 2.77 2011-11-30 2.8 2011-12-31 2.8 2012-01-31 2.78 2012-02-29 2.77 2012-03-31 2.87 2012-04-30 2.84 2012-05-31 2.85 2012-06-30 2.87 2012-07-31 2.85 2012-08-31 2.89 2012-09-30 2.89 2012-10-31 2.87 2012-11-30 2.88 2012-12-31 2.85 2013-01-31 2.78 2013-02-28 2.77 2013-03-31 2.79 2013-04-30 2.68 2013-05-31 2.63 2013-06-30 2.58 2013-07-31 2.57 2013-08-31 2.47 2013-09-30 2.49 2013-10-31 2.4 2013-11-30 2.43 2013-12-31 2.32 2014-01-31 2.36 2014-02-28 2.21 2014-03-31 2.21 2014-04-30 2.09 2014-05-31 2.04 2014-06-30 1.94 2014-07-31 1.92 2014-08-31 1.84 2014-09-30 1.8 2014-10-31 1.82 2014-11-30 1.79 2014-12-31 1.73 2015-01-31 1.72 2015-02-28 1.69 2015-03-31 1.66 2015-04-30 1.59 2015-05-31 1.7 2015-06-30 1.58 2015-07-31 1.8 2015-08-31 1.5 2015-09-30 1.59 2015-10-31 1.52 2015-11-30 1.54 2015-12-31 1.46 2016-01-31 1.44 2016-02-29 1.44 2016-03-31 1.42 2016-04-30 1.38 2016-05-31 1.36 2016-06-30 1.32 2016-07-31 1.29 2016-08-31 1.27 2016-09-30 1.22 2016-10-31 1.18 2016-11-30 1.12 2016-12-31 1.05 2017-01-31 1.02 2017-02-28 0.99 2017-03-31 0.95 2017-04-30 0.93 2017-05-31 0.91 2017-06-30 0.89 2017-07-31 0.87 2017-08-31 0.86 2017-09-30 0.85 2017-10-31 0.84 2017-11-30 0.82 2017-12-31 0.89 2018-01-31 0.9 2018-02-28 0.9 2018-03-31 0.9 2018-04-30 0.9 2018-05-31 0.9 2018-06-30 0.9 2018-07-31 0.89 2018-08-31 0.89 2018-09-30 0.92 2018-10-31 0.93 2018-11-30 0.93 2018-12-31 0.93 2019-01-31 0.94 2019-02-28 0.95 2019-03-31 0.96 2019-04-30 0.99 2019-05-31 0.99 2019-06-30 0.99 2019-07-31 1 2019-08-31 0.98 2019-09-30 0.98 2019-10-31 0.96 2019-11-30 0.96 2019-12-31 0.95 2020-01-31 0.95 2020-02-29 0.94 2020-03-31 0.93 2020-04-30 0.9 2020-05-31 0.72 2020-06-30 0.64 2020-07-31 0.6 2020-08-31 0.57 2020-09-30 0.55 2020-10-31 0.54 2020-11-30 0.53 2020-12-31 0.51 2021-01-31 0.49 2021-02-28 0.48 2021-03-31 0.46 2021-04-30 0.44 2021-05-31 0.42 2021-06-30 0.4 2021-07-31 0.38 2021-08-31 0.36 2021-09-30 0.35 2021-10-31 0.34 2021-11-30 0.34 2021-12-31 0.33 2022-01-31 0.38 2022-02-28 0.4 2022-03-31 0.41 2022-04-30 0.45 2022-05-31 0.5 2022-06-30 0.54 2022-07-31 0.63 2022-08-31 0.7 2022-09-30 0.87 2022-10-31 1.07 2022-11-30 1.32 2022-12-31 1.67 2023-01-31 1.82 2023-02-28 2.02 2023-03-31 2.18 2023-04-30 2.45 2023-05-31 2.56 2023-06-30 2.71 2023-07-31 2.94 2023-08-31 3.18 2023-09-30 3.37 2023-10-31 3.51 2023-11-30 3.62 2023-12-31 3.71