Year % 1992 40.21827 1993 31.68114 1996 12.68472 1997 12.61881 1998 10.54034 1999 9.081392 2000 0.6048093 2001 8.500175 2002 9.450586 2003 9.673867 2004 9.754987 2005 10.27371 2006 9.338864 2007 8.934891 2008 0 2009 0 2010 0.0294042 2011 0 2012 0 2013 0 2014 0 2015 0 2016 0 2017 0 2019 0 2020 0 2021 0