Year % 1995 69.04 1996 68.41 1997 68.41 1998 68.41 1999 68.41 2000 68.41 2001 68.41 2002 68.41 2003 68.41 2005 65.78 2006 65.78 2008 65.78 2009 62.32 2010 62.32 2011 62.32 2013 62.32 2014 62.32 2015 60.44 2016 60.44 2020 60.74 2021 60.74