Month Percent 1996-01-31 5.7895 1996-02-29 6.299 1996-03-31 6.031 1996-04-30 6.0425 1996-05-31 5.9824 1996-06-30 5.7015 1996-07-31 5.7617 1996-08-31 5.7033 1996-09-30 5.709 1996-10-31 5.7961 1996-11-30 5.8343 1996-12-31 5.782 1997-01-31 5.8852 1997-02-28 5.9765 1997-03-31 5.9492 1997-04-30 5.9568 1997-05-31 6.1628 1997-06-30 6.1586 1997-07-31 6.5035 1997-08-31 6.89 1997-09-30 6.9775 1997-10-31 6.9887 1997-11-30 7.1073 1997-12-31 7.1517 1998-01-31 7.2121 1998-02-28 7.2263 1998-03-31 7.2361 1998-04-30 7.1895 1998-05-31 7.1842 1998-06-30 7.1895 1998-07-31 7.2213 1998-08-31 7.4573 1998-09-30 7.2845 1998-10-31 7.3798 1998-11-30 6.7786 1998-12-31 6.3171 1999-01-31 5.8998 1999-02-28 5.657 1999-03-31 5.4511 1999-04-30 5.263 1999-05-31 5.175 1999-06-30 4.8307 1999-07-31 4.8818 1999-08-31 4.8595 1999-09-30 4.9352 1999-10-31 5.0417 1999-11-30 5.217 1999-12-31 4.935 2000-01-31 5.3613 2000-02-29 5.8012 2000-03-31 5.7804 2000-04-30 5.9069 2000-05-31 5.8905 2000-06-30 5.8211 2000-07-31 5.9221 2000-08-31 5.8705 2000-09-30 5.9976 2000-10-31 5.8455 2000-11-30 5.9455 2000-12-31 5.8368 2001-01-31 5.7932 2001-02-28 5.79 2001-03-31 5.4166 2001-04-30 5.2947 2001-05-31 5.394 2001-06-30 4.7726 2001-07-31 5.2398 2001-08-31 4.7898 2001-09-30 4.7863 2001-10-31 4.5761 2001-11-30 3.7136 2001-12-31 4.4211 2002-01-31 3.7727 2002-02-28 3.9188 2002-03-31 4.0653 2002-04-30 3.7193 2002-05-31 3.8784 2002-06-30 3.5514 2002-07-31 3.7835 2002-08-31 4.0071 2002-09-30 3.7915 2002-10-31 4.0065 2002-11-30 3.6486 2002-12-31 4.2088 2003-01-31 3.7727 2003-02-28 3.6625 2003-03-31 3.6726 2003-04-30 3.5305 2003-05-31 3.6025 2003-06-30 3.5776 2003-07-31 3.3304 2003-08-31 3.3813 2003-09-30 3.4591 2003-10-31 3.3415 2003-11-30 3.5375 2003-12-31 3.7417 2004-01-31 3.63 2004-02-29 3.8813 2004-03-31 3.92 2004-04-30 3.826 2004-05-31 4.1276 2004-06-30 4.3284 2004-07-31 4.4452 2004-08-31 4.6302 2004-09-30 4.7236 2004-10-31 4.7505 2004-11-30 4.7098 2004-12-31 4.779 2005-01-31 4.728 2005-02-28 4.7355 2005-03-31 4.719 2005-04-30 4.764 2005-05-31 4.7368 2005-06-30 4.8139 2005-07-31 4.7264 2005-08-31 4.5318 2005-09-30 4.5352 2005-10-31 4.4279 2005-11-30 4.5069 2005-12-31 4.5906 2006-01-31 4.4898 2006-02-28 4.4253 2006-03-31 4.4604 2006-04-30 4.48 2006-05-31 4.4881 2006-06-30 4.5336 2006-07-31 4.511 2006-08-31 4.6973 2006-09-30 4.7898 2006-10-31 4.8125 2006-11-30 4.9748 2006-12-31 5.0626 2007-01-31 5.1745 2007-02-28 5.2423 2007-03-31 5.2461 2007-04-30 5.2161 2007-05-31 5.4229 2007-06-30 5.5457 2007-07-31 5.8136 2007-08-31 5.8707 2007-09-30 5.8428 2007-10-31 5.7552 2007-11-30 5.7552 2007-12-31 5.6221 2008-01-31 5.525 2008-02-29 5.3002 2008-03-31 5.2921 2008-04-30 5.0993 2008-05-31 5.0703 2008-06-30 5.0876 2008-07-31 5.0922 2008-08-31 5.0318 2008-09-30 4.768 2008-10-31 4.4435 2008-11-30 2.874 2008-12-31 1.8679 2009-01-31 1.4983 2009-02-28 1.0065 2009-03-31 0.7298 2009-04-30 0.5125 2009-05-31 0.4874 2009-06-30 0.4773 2009-07-31 0.4304 2009-08-31 0.453 2009-09-30 0.4525 2009-10-31 0.4607 2009-11-30 0.4586 2009-12-31 0.469 2010-01-31 0.4958 2010-02-28 0.492 2010-03-31 0.5026 2010-04-30 0.4785 2010-05-31 0.4863 2010-06-30 0.4984 2010-07-31 0.5305 2010-08-31 0.5207 2010-09-30 0.5295 2010-10-31 0.5421 2010-11-30 0.5334 2010-12-31 0.5329 2011-01-31 0.5038 2011-02-28 0.4783 2011-03-31 0.5 2011-04-30 0.5222 2011-05-31 0.5073 2011-06-30 0.5307 2011-07-31 0.5291 2011-08-31 0.5207 2011-09-30 0.5145 2011-10-31 0.5079 2011-11-30 0.4561 2011-12-31 0.4335 2012-01-31 0.4562 2012-02-29 0.4655 2012-03-31 0.4741 2012-04-30 0.4489 2012-05-31 0.4373 2012-06-30 0.4732 2012-07-31 0.4741 2012-08-31 0.4245 2012-09-30 0.4643 2012-10-31 0.4261 2012-11-30 0.4243 2012-12-31 0.455 2013-01-31 0.4491 2013-02-28 0.4228 2013-03-31 0.4543 2013-04-30 0.46 2013-05-31 0.4417 2013-06-30 0.4478 2013-07-31 0.4457 2013-08-31 0.4212 2013-09-30 0.4426 2013-10-31 0.4324 2013-11-30 0.4174 2013-12-31 0.378 2014-01-31 0.428 2014-02-28 0.417 2014-03-31 0.4271 2014-04-30 0.3898 2014-05-31 0.4155 2014-06-30 0.4455 2014-07-31 0.448 2014-08-31 0.442 2014-09-30 0.4825 2014-10-31 0.4815 2014-11-30 0.47 2014-12-31 0.4376 2015-01-31 0.4931 2015-02-28 0.4713 2015-03-31 0.4884 2015-04-30 0.5028 2015-05-31 0.5032 2015-06-30 0.502 2015-07-31 0.5143 2015-08-31 0.506 2015-09-30 0.4975 2015-10-31 0.5091 2015-11-30 0.5007 2015-12-31 0.4912 2016-01-31 0.5233 2016-02-29 0.5212 2016-03-31 0.5129 2016-04-30 0.5019 2016-05-31 0.5013 2016-06-30 0.4966 2016-07-31 0.4852 2016-08-31 0.2916 2016-09-30 0.237 2016-10-31 0.2364 2016-11-30 0.2307 2016-12-31 0.225 2017-01-31 0.2338 2017-02-28 0.2198 2017-03-31 0.1763 2017-04-30 0.1947 2017-05-31 0.2021 2017-06-30 0.2086 2017-07-31 0.21 2017-08-31 0.2023 2017-09-30 0.2029 2017-10-31 0.2202 2017-11-30 0.4461 2017-12-31 0.44 2018-01-31 0.453 2018-02-28 0.4533 2018-03-31 0.4695 2018-04-30 0.4793 2018-05-31 0.4769 2018-06-30 0.4807