Year % 2001 0 2006 0.0018278 2007 0.0096024 2008 0.7090654 2009 0 2010 0 2011 0 2012 0.0734735 2013 0.0707977 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2021 0