Year % 2002 0.5886821 2003 0.3898812 2004 0.3898812 2005 0.3898812 2006 0.8128629 2007 0.5159772 2008 0.4667346 2009 0.4667346 2012 0.2688172 2015 0.1734195 2016 0.1644466 2017 0.0259202 2020 0 2021 0