Year Number 1996 3.82513666152954 1998 3.82513666152954 2000 2.7322404384613 2002 8.64864826202393 2003 3.78378367424011 2004 3.48258709907532 2005 6.37254905700684 2006 0.97560977935791 2007 1.45631062984467 2008 0.970873773097992 2009 0.478468894958496 2010 0.956937789916992 2011 0.473933637142181 2012 0.473933637142181 2013 0.473933637142181 2014 0.961538434028625 2015 0.952380955219269 2016 0.952380955219269 2017 0.952380955219269 2018 0.952380955219269 2019 0.952380955219269 2020 1.42857146263123 2021 1.42857146263123 2022 0.943396210670471