Year Percent 1998-01-01 75.0000 1999-01-01 50.0000 2000-01-01 66.6667 2001-01-01 23.0769 2002-01-01 18.7500 2003-01-01 15.7895 2004-01-01 33.3333 2005-01-01 50.0000 2006-01-01 66.6667 2007-01-01 66.6667 2008-01-01 66.6667