Year % 1993 0 1996 0 1997 0 1998 0 1999 0.4015918 2000 0 2001 0 2002 0.1394204 2003 0 2004 0 2005 0 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0.0381989 2013 0.0140739 2015 0 2016 0 2017 0 2019 0 2020 0 2021 0