Year % 2000 55.09 2001 55.8 2002 55.8 2003 55.8 2004 55.8 2007 54.83 2008 54.83 2009 54.83 2010 53.93 2013 52.48 2016 52.48 2017 52.48 2018 53.2 2019 53.16 2020 53.16 2021 53.16