Year Number 1996 0.502512574195862 1998 0.5 2000 1.49253726005554 2002 0 2003 0 2004 0 2005 0 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0.469483554363251 2012 0 2013 0 2014 0.961538434028625 2015 0.476190477609634 2016 0.476190477609634 2017 0.952380955219269 2018 0.476190477609634 2019 0.952380955219269 2020 0.952380955219269 2021 1.42857146263123 2022 0.943396210670471