Month Percent 1999-01-31 5.67 1999-02-28 5.21 1999-03-31 4.96 1999-04-30 4.8 1999-05-31 4.72 1999-06-30 4.64 1999-07-31 4.57 1999-08-31 4.58 1999-09-30 4.57 1999-10-31 4.69 1999-11-30 4.82 1999-12-31 4.88 2000-01-31 4.98 2000-02-29 5.24 2000-03-31 5.24 2000-04-30 5.32 2000-05-31 5.36 2000-06-30 5.33 2000-07-31 5.36 2000-08-31 5.35 2000-09-30 5.37 2000-10-31 5.3 2000-11-30 5.29 2000-12-31 5.23 2001-01-31 5.22 2001-02-28 5.18 2001-03-31 4.97 2001-04-30 4.88 2001-05-31 4.74 2001-06-30 4.61 2001-07-31 4.6 2001-08-31 4.5 2001-09-30 4.36 2001-10-31 4.05 2001-11-30 3.76 2001-12-31 3.55 2002-01-31 3.51 2002-02-28 3.47 2002-03-31 3.45 2002-04-30 3.41 2002-05-31 3.4 2002-06-30 3.4 2002-07-31 3.37 2002-08-31 3.38 2002-09-30 3.37 2002-10-31 3.35 2002-11-30 3.33 2002-12-31 3.37 2003-01-31 3.38 2003-02-28 3.25 2003-03-31 3.22 2003-04-30 3.18 2003-05-31 3.16 2003-06-30 3.15 2003-07-31 3.01 2003-08-31 2.94 2003-09-30 2.94 2003-10-31 2.95 2003-11-30 3.02 2003-12-31 3.1 2004-01-31 3.21 2004-02-29 3.35 2004-03-31 3.42 2004-04-30 3.42 2004-05-31 3.58 2004-06-30 3.78 2004-07-31 3.92 2004-08-31 4.06 2004-09-30 4.16 2004-10-31 4.21 2004-11-30 4.25 2004-12-31 4.22 2005-01-31 4.22 2005-02-28 4.22 2005-03-31 4.23 2005-04-30 4.28 2005-05-31 4.28 2005-06-30 4.25 2005-07-31 4.23 2005-08-31 4.1 2005-09-30 4.06 2005-10-31 4.06 2005-11-30 4.16 2005-12-31 4.15 2006-01-31 4.09 2006-02-28 4.08 2006-03-31 4.07 2006-04-30 4.03 2006-05-31 4.05 2006-06-30 4.12 2006-07-31 4.19 2006-08-31 4.18 2006-09-30 4.28 2006-10-31 4.33 2006-11-30 4.44 2006-12-31 4.54 2007-01-31 4.63 2007-02-28 4.79 2007-03-31 4.85 2007-04-30 4.88 2007-05-31 4.97 2007-06-30 5.08 2007-07-31 5.22 2007-08-31 5.37 2007-09-30 5.58 2007-10-31 5.57 2007-11-30 5.57 2007-12-31 5.65 2008-01-31 5.49 2008-02-29 5.23 2008-03-31 5.16 2008-04-30 5.15 2008-05-31 5.15 2008-06-30 5.19 2008-07-31 5.25 2008-08-31 5.26 2008-09-30 5.27 2008-10-31 5.33 2008-11-30 4.89 2008-12-31 3.94 2009-01-31 3.29 2009-02-28 2.86 2009-03-31 2.57 2009-04-30 2.3 2009-05-31 2.09 2009-06-30 1.89 2009-07-31 1.62 2009-08-31 1.45 2009-09-30 1.29 2009-10-31 1.14 2009-11-30 1.1 2009-12-31 1.07 2010-01-31 1.04 2010-02-28 1.04 2010-03-31 1.07 2010-04-30 1.08 2010-05-31 1.07 2010-06-30 1.13 2010-07-31 1.16 2010-08-31 1.19 2010-09-30 1.21 2010-10-31 1.24 2010-11-30 1.27 2010-12-31 1.3 2011-01-31 1.28 2011-02-28 1.35 2011-03-31 1.38 2011-04-30 1.43 2011-05-31 1.45 2011-06-30 1.48 2011-07-31 1.5 2011-08-31 1.53 2011-09-30 1.54 2011-10-31 1.57 2011-11-30 1.61 2011-12-31 1.7 2012-01-31 1.76 2012-02-29 1.73 2012-03-31 1.84 2012-04-30 1.88 2012-05-31 1.82 2012-06-30 1.85 2012-07-31 2 2012-08-31 2.01 2012-09-30 2.07 2012-10-31 2.06 2012-11-30 2.04 2012-12-31 2.04 2013-01-31 2.04 2013-02-28 1.94 2013-03-31 1.9 2013-04-30 1.84 2013-05-31 1.75 2013-06-30 1.68 2013-07-31 1.58 2013-08-31 1.54 2013-09-30 1.47 2013-10-31 1.32 2013-11-30 1.28 2013-12-31 1.24 2014-01-31 1.19 2014-02-28 1.14 2014-03-31 1.13 2014-04-30 1.08 2014-05-31 0.93 2014-06-30 0.92 2014-07-31 0.97 2014-08-31 1.02 2014-09-30 1.03 2014-10-31 1.01 2014-11-30 1.01 2014-12-31 1 2015-01-31 0.99 2015-02-28 0.97 2015-03-31 0.96 2015-04-30 0.94 2015-05-31 0.92 2015-06-30 0.92 2015-07-31 0.92 2015-08-31 0.93 2015-09-30 0.95 2015-10-31 0.94 2015-11-30 0.93 2015-12-31 0.94 2016-01-31 0.96 2016-02-29 0.96 2016-03-31 0.95 2016-04-30 0.96 2016-05-31 0.95 2016-06-30 0.95 2016-07-31 0.96 2016-08-31 0.96 2016-09-30 0.95 2016-10-31 0.93 2016-11-30 0.91 2016-12-31 0.88 2017-01-31 0.84 2017-02-28 0.82 2017-03-31 0.81 2017-04-30 0.79 2017-05-31 0.76 2017-06-30 0.74 2017-07-31 0.72 2017-08-31 0.71 2017-09-30 0.7 2017-10-31 0.68 2017-11-30 0.69 2017-12-31 0.72 2018-01-31 0.74 2018-02-28 0.72 2018-03-31 0.74 2018-04-30 0.76 2018-05-31 0.77 2018-06-30 0.78 2018-07-31 0.76 2018-08-31 0.83 2018-09-30 0.87 2018-10-31 0.91 2018-11-30 0.91 2018-12-31 0.94 2019-01-31 0.96 2019-02-28 0.97 2019-03-31 0.98 2019-04-30 1.01 2019-05-31 1.02 2019-06-30 1 2019-07-31 1.01 2019-08-31 1.03 2019-09-30 1.01 2019-10-31 1 2019-11-30 1.02 2019-12-31 1.04 2020-01-31 1.05 2020-02-29 1.02 2020-03-31 0.92 2020-04-30 0.81 2020-05-31 0.73 2020-06-30 0.68 2020-07-31 0.63 2020-08-31 0.58 2020-09-30 0.55 2020-10-31 0.5 2020-11-30 0.45 2020-12-31 0.42 2021-01-31 0.4 2021-02-28 0.39 2021-03-31 0.36 2021-04-30 0.33 2021-05-31 0.3 2021-06-30 0.29 2021-07-31 0.28 2021-08-31 0.26 2021-09-30 0.25 2021-10-31 0.22 2021-11-30 0.22 2021-12-31 0.25 2022-01-31 0.28 2022-02-28 0.37 2022-03-31 0.46 2022-04-30 0.57 2022-05-31 0.7 2022-06-30 0.81 2022-07-31 1 2022-08-31 1.32 2022-09-30 1.55 2022-10-31 1.97 2022-11-30 2.44 2022-12-31 2.71 2023-01-31 2.96 2023-02-28 3.21 2023-03-31 3.35 2023-04-30 3.49 2023-05-31 3.68 2023-06-30 3.84 2023-07-31 4.07 2023-08-31 4.38 2023-09-30 4.5 2023-10-31 4.55 2023-11-30 4.6 2023-12-31 4.72