Month Percent 1997-01-31 0 1997-02-28 0 1997-03-31 0 1997-04-30 0 1997-05-31 0 1997-06-30 0 1997-07-31 0 1997-08-31 0 1997-09-30 0 1997-10-31 0 1997-11-30 0 1997-12-31 0 1998-01-31 0 1998-02-28 0 1998-03-31 0 1998-04-30 7.5 1998-05-31 7.5 1998-06-30 7.5 1998-07-31 7.5 1998-08-31 7.75 1998-09-30 7.79 1998-10-31 7.8 1998-11-30 7.56 1998-12-31 7.06 1999-01-31 6.56 1999-02-28 6.3 1999-03-31 5.71 1999-04-30 5.63 1999-05-31 5.53 1999-06-30 5.5 1999-07-31 5.59 1999-08-31 5.42 1999-09-30 5.46 1999-10-31 5.47 1999-11-30 5.41 1999-12-31 5.43 2000-01-31 5.53 2000-02-29 5.69 2000-03-31 5.96 2000-04-30 5.89 2000-05-31 5.96 2000-06-30 5.98 2000-07-31 6 2000-08-31 6.07 2000-09-30 6.12 2000-10-31 5.93 2000-11-30 5.95 2000-12-31 5.86 2001-01-31 5.88 2001-02-28 5.6 2001-03-31 5.65 2001-04-30 5.48 2001-05-31 5.27 2001-06-30 5.36 2001-07-31 5.52 2001-08-31 5.25 2001-09-30 4.87 2001-10-31 4.58 2001-11-30 4.12 2001-12-31 4.19 2002-01-31 4.14 2002-02-28 4.19 2002-03-31 4.32 2002-04-30 4.26 2002-05-31 4.3 2002-06-30 4.3 2002-07-31 4.27 2002-08-31 4.27 2002-09-30 4.21 2002-10-31 4.25 2002-11-30 4.33 2002-12-31 4.32 2003-01-31 4.3 2003-02-28 4.13 2003-03-31 4.15 2003-04-30 4 2003-05-31 4.11 2003-06-30 4 2003-07-31 3.92 2003-08-31 3.78 2003-09-30 3.91 2003-10-31 3.92 2003-11-30 4.11 2003-12-31 4.18 2004-01-31 4.08 2004-02-29 4.31 2004-03-31 4.4 2004-04-30 4.4 2004-05-31 4.66 2004-06-30 4.79 2004-07-31 4.88 2004-08-31 4.97 2004-09-30 5.05 2004-10-31 5.05 2004-11-30 5.03 2004-12-31 5.03 2005-01-31 4.99 2005-02-28 4.98 2005-03-31 5.06 2005-04-30 5.11 2005-05-31 5 2005-06-30 4.99 2005-07-31 5 2005-08-31 4.86 2005-09-30 4.76 2005-10-31 4.77 2005-11-30 4.76 2005-12-31 4.74 2006-01-31 4.77 2006-02-28 4.76 2006-03-31 4.79 2006-04-30 4.8 2006-05-31 4.84 2006-06-30 4.81 2006-07-31 4.71 2006-08-31 4.89 2006-09-30 5.05 2006-10-31 5.05 2006-11-30 5.17 2006-12-31 5.39 2007-01-31 5.42 2007-02-28 5.59 2007-03-31 5.59 2007-04-30 5.68 2007-05-31 5.82 2007-06-30 5.96 2007-07-31 6.01 2007-08-31 6.13 2007-09-30 6.03 2007-10-31 6.06 2007-11-30 6.22 2007-12-31 6.06 2008-01-31 6.33 2008-02-29 6.09 2008-03-31 6.37 2019-02-28 2.98 2019-03-31 2.95 2019-04-30 2.95 2019-05-31 2.95 2019-06-30 2.95 2019-07-31 2.68 2019-08-31 2.93 2019-09-30 2.98 2019-10-31 3.07 2019-11-30 3.08 2019-12-31 3.03 2020-01-31 3.01 2020-02-29 2.95 2020-03-31 2.89 2020-04-30 3.04 2020-05-31 3.18 2020-06-30 3.14 2020-07-31 3.13 2020-08-31 3.48 2020-09-30 3.61 2020-10-31 3.66 2020-11-30 3.66 2020-12-31 3.66 2021-01-31 3.59 2021-02-28 3.56 2021-03-31 3.59 2021-04-30 3.57 2021-05-31 3.57 2021-06-30 3.57 2021-07-31 3.47 2021-08-31 3.41 2021-09-30 3.58 2021-10-31 3.34 2021-11-30 3.25 2021-12-31 3.18 2022-01-31 2.93 2022-02-28 2.82 2022-03-31 2.86 2022-04-30 2.74 2022-05-31 2.86 2022-06-30 2.98 2022-07-31 2.87 2022-08-31 3.04 2022-09-30 3.56 2022-10-31 3.41 2022-11-30 3.74 2022-12-31 4.08 2023-01-31 4.3 2023-02-28 4.59 2023-03-31 4.93 2023-04-30 4.6 2023-05-31 4.74 2023-06-30 5.26 2023-07-31 5.83 2023-08-31 6.26 2023-09-30 6.34 2023-10-31 6.15 2023-11-30 6.05 2023-12-31 5.9