Year % 1994 0.309406 1999 0.327562 2001 0 2002 0 2003 0 2004 1.228409 2005 0 2006 0 2007 0 2008 1.36893 2009 0 2010 0.0291954 2012 0 2013 0.2596345 2014 0 2015 0 2016 0 2017 0 2018 0.0159337 2019 0 2020 0 2021 0