Year % 2000 59.99 2001 59.99 2002 58.93 2003 58.93 2004 58.93 2005 58.93 2006 58.93 2007 58.93 2008 58.89 2009 58.89 2010 58.89 2011 58.89 2012 57.83 2013 57.83 2014 57.83 2015 57.83 2016 57.83 2018 57.8 2019 57.8 2020 57.8 2021 57.8