Year % 1993 0 1997 0 2001 0 2002 2.288984 2003 0 2004 1.317195 2005 0 2006 0 2007 1.714962 2008 0 2009 0 2010 0 2011 0 2012 0.0218771 2013 0 2015 4.979609 2016 0.2549936 2018 0 2020 0.9788654 2021 0.9771264