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 2015 0 2016 0.476190477609634 2017 0.476190477609634 2018 0.943396210670471 2019 0 2020 0 2021 0 2022 0