Year % 1993 0 1997 0.1425869 1998 0.3857344 2000 0 2003 0 2005 0.0809002 2006 0.2045948 2007 0.103538 2008 0.0364772 2009 0 2010 0 2011 0.0344537 2012 0.0206693 2013 0.0206732 2014 0 2015 0 2016 0 2018 0 2019 0 2020 0.0059703 2021 0.0039469