Quarter Percent 1994-03-31 4.8876 1994-06-30 4.9221 1994-09-30 5.4183 1994-12-31 5.5294 1995-03-31 6.161 1995-06-30 6.1554 1995-09-30 6.6245 1995-12-31 6.6795 1996-03-31 6.2523 1996-06-30 5.9086 1996-09-30 5.7458 1996-12-31 5.9354 1997-03-31 6.0303 1997-06-30 6.2367 1997-09-30 6.9127 1997-12-31 7.2434 1998-03-31 7.3707 1998-06-30 7.3406 1998-09-30 7.4689 1998-12-31 6.9783 1999-03-31 5.6872 1999-06-30 5.2008 1999-09-30 5.0242 1999-12-31 5.2573 2000-03-31 5.8432 2000-06-30 5.9655 2000-09-30 5.9597 2000-12-31 5.9155 2001-03-31 5.7554 2001-06-30 5.2325 2001-09-30 4.9485 2001-12-31 4.1748 2002-03-31 3.933 2002-06-30 3.8709 2002-09-30 3.8663 2002-12-31 3.907 2003-03-31 3.7443 2003-06-30 3.634 2003-09-30 3.4421 2003-12-31 3.6609 2004-03-31 3.9348 2004-06-30 4.2729 2004-09-30 4.6605 2004-12-31 4.7405 2005-03-31 4.7595 2005-06-30 4.7757 2005-09-30 4.5925 2005-12-31 4.5302 2006-03-31 4.5052 2006-06-30 4.5614 2006-09-30 4.7393 2006-12-31 5.0122 2007-03-31 5.3125 2007-06-30 5.509 2007-09-30 6.0197 2007-12-31 5.9044 2008-03-31 5.4829 2008-06-30 5.2604 2008-09-30 5.2731 2008-12-31 3.7676 2009-03-31 1.229 2009-06-30 0.6074 2009-09-30 0.5564 2009-12-31 0.5185 2010-03-31 0.4988 2010-06-30 0.5246 2010-09-30 0.54 2010-12-31 0.5569 2011-03-31 0.585 2011-06-30 0.5953 2011-09-30 0.6245 2011-12-31 0.6619 2012-03-31 0.6508 2012-06-30 0.5812 2012-09-30 0.5244 2012-12-31 0.475 2013-03-31 0.4761 2013-06-30 0.475 2013-09-30 0.475 2013-12-31 0.475 2014-03-31 0.475 2014-06-30 0.4746 2014-09-30 0.4754 2014-12-31 0.4496 2015-03-31 0.45 2015-06-30 0.4504 2015-09-30 0.45 2015-12-31 0.4492 2016-03-31 0.45 2016-06-30 0.4714 2016-09-30 0.3478 2016-12-31 0.24 2017-03-31 0.2367 2017-06-30 0.2293 2017-09-30 0.2345