Year % 1992 0 1993 0 1994 0 1996 0 1997 0.3468752 1998 0.0471976 1999 0.3271845 2000 0 2001 0.3227226 2002 0 2003 0 2004 0 2005 0 2006 0 2007 0 2008 0 2009 0.1417067 2010 0.15919 2011 0.2977888 2014 0 2015 0.0481074 2016 0.870352 2017 0 2018 0 2019 0 2020 0 2021 0