Year Percent 1998-01-01 90.4661 1999-01-01 90.4661 2000-01-01 90.4661 2001-01-01 90.4661 2002-01-01 90.4661 2003-01-01 90.4661 2004-01-01 90.4661 2005-01-01 90.4661 2006-01-01 90.4661 2007-01-01 90.4661 2008-01-01 90.4661 2009-01-01 90.4661 2010-01-01 90.4661 2011-01-01 90.4661 2012-01-01 90.4661 2013-01-01 90.4661 2014-01-01 84.0809