Year % 1996 53.87 1999 53.91 2000 53.91 2001 53.91 2002 53.91 2003 53.91 2006 53.91 2007 53.91 2010 53.81 2011 53.81 2012 53.9 2013 53.9 2015 53.9 2016 53.9 2017 53.9 2018 53.9 2019 53.9 2020 53.9 2021 53.9