Year % 1996 17.92793 1997 0 1998 0.0362582 1999 17.56098 2000 46.60993 2001 0 2002 0 2003 0 2006 0 2007 0 2010 2.344828 2011 0 2012 0 2013 0 2015 0 2016 0 2017 0 2020 0