Year % 1995 46.75 1997 47.31 1998 47.31 1999 47.31 2000 47.31 2001 47.31 2002 47.12 2003 47.12 2004 47.12 2005 47.12 2006 47.12 2007 47.01 2008 47.01 2009 47.01 2010 47.01 2011 47.01 2012 47.71 2013 47.71 2014 47.71 2015 47.71 2020 47.85 2021 47.85