Year % 1997 0.6306426 1999 0.0199164 2000 0.0129166 2001 0.0129057 2002 0.0580758 2003 0.0129174 2004 0.0146356 2005 0.0134947 2006 0.0449528 2007 0.1198294 2008 0 2009 0.028403 2010 0.2590857 2012 0.0203224 2013 0.0203224 2018 0.1431332 2019 0.1197015 2020 0.1462961 2021 0.1422291