Year Number 1996 0 1998 0 2000 0 2002 0 2003 0 2004 0 2005 0 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0.961538434028625 2015 0.952380955219269 2016 1.90476191043854 2017 1.42857146263123 2018 1.42857146263123 2019 1.42857146263123 2020 0.952380955219269 2021 0.476190477609634 2022 1.41509437561035