Year % 1995 0 1996 0.1082946 1997 0 1998 0 1999 0 2000 0 2001 1.805591 2002 0.1572118 2003 0.0720634 2004 0 2005 0 2006 0.0849144 2007 0 2008 0.6565501 2009 0.0619891 2010 0.0644595 2011 0.048325 2012 0 2013 0 2015 0.0515044 2018 0 2020 0 2021 0