Year Percent 1995 16.87 1996 16.87 1997 16.87 1998 16.87 1999 16.87 2000 16.87 2001 16.87 2002 16.87 2003 17.75 2004 16.89 2005 14.35 2006 13.59 2007 13.59 2008 13.59 2009 13.59 2010 13.59