Year % 1993 0.0202306 1998 1.021711 1999 0.0118245 2000 0.0168691 2002 0.0085063 2003 0.0084991 2004 0.0169578 2005 0.0686577 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0.0454726 2013 0 2014 0 2015 0 2016 0 2018 0 2019 0 2020 0 2021 0