Year % 1995 42.81 1996 42.81 1997 42.73 1998 42.73 1999 42.73 2000 42.73 2001 42.73 2002 42.78 2003 42.78 2004 42.78 2005 42.78 2006 42.78 2007 43.02 2008 43.02 2009 43.02 2010 43.02 2011 43.02 2012 43.02 2013 43.02 2014 43.02 2016 43.02 2018 43.05 2019 43.05 2020 43.05 2021 43.05